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.elementor-post__excerpt {background: #f5b044!important;} .elementor-post__card:hover .elementor-post__title a {color: #da6034!important;} /*FIN*/ /*CSS bloc accueil agenda EN*/ .elementor-post__card:hover {border-color: #f5b044!important; } .post-18792:hover .elementor-post__excerpt {background: #f5b044!important;} .post-18792:hover .elementor-post__title a {color: #da6034!important;} .post-18787:hover .elementor-post__excerpt {background: #f5b044!important;} .post-18787:hover .elementor-post__title a {color: #da6034!important;} .post-18842:hover .elementor-post__excerpt {background: #f5b044!important;} .post-18842:hover .elementor-post__title a {color: #da6034!important;} .post-18782:hover .elementor-post__excerpt {background: #f5b044!important;} .post-18782:hover .elementor-post__title a {color: #da6034!important;} .post-18358:hover .elementor-post__excerpt {background: #f5b044!important;} .post-18358:hover .elementor-post__title a {color: #da6034!important;} .post-18214:hover .elementor-post__excerpt {background: #f5b044!important;} .post-18214:hover .elementor-post__title a {color: #da6034!important;} /*FIN*/ input, input[type="text"], input[type="email"], input[type="number"], textarea, select { margin-top: 20px; color: var(--text-color-dark);} .name_directory_name_box{border:solid 2px #DA6034;padding:10px; margin: 2px 1px;} .name_directory_column{padding:0px;} .name_directory_total{margin-bottom:30px;} /**/ .wb_ps_text:after {display: none!important;} /**/ .elementor-widget-nav-menu .elementor-nav-menu--dropdown .elementor-sub-item { font-family: "roboto"!important;} /*Rustine Fermeture des toggle*/ .elementor-tab-title.elementor-active a, .elementor-tab-title.elementor-active .elementor-toggle-icon{ pointer-events: none !important; } /*FIN - Rustine de qualité*/ #cookie-notice .cn-button:not(.cn-button-custom) {margin: 10px 0 0 10px;} .single_content_lower{display:none;} .blog_single_details_outer .single_content_upper{border-bottom:none;} .news_box.default_style.list_view .content_box .auhtour_box { display: none!important; } .category-membres-groupes-et-plateformes-en .blog_feature_image {display:none;} .wb_ps_thumbnail img{height:100px;width:auto;object-fit: cover;} /* Pages Mmebre de groupe*/ .category-membres-groupes-et-plateformes .blog_feature_image {display: none;} /* Page séminaire barre de recherche */ .tribe-common--breakpoint-medium.tribe-events .tribe-events-header--has-event-search .tribe-events-header__events-bar{ display: none; } /* Menu item */ .elementor-element-4faa98b .sub-arrow{ padding: 10px!important; } /* La recherche groupes */ .menu-item-11919 .sub-arrow{ transform: rotate(90deg)!important; } .menu-item-11919:hover .sub-arrow{ transform: rotate(270deg)!important; } .menu-item-11919 .highlighted .sub-arrow{ transform: rotate(270deg)!important; } .menu-item-11919:hover a.highlighted .sub-arrow{ transform: rotate(90deg)!important; } .menu-item-8924:hover .menu-item-11919 .sub-arrow{ transform: rotate(270deg)!important; } .menu-item-8924:hover .menu-item-11919 a.highlighted .sub-arrow{ transform: rotate(90deg)!important; } /* La recherche plateformes */ .menu-item-11902 .sub-arrow{ transform: rotate(90deg)!important; } .menu-item-11902:hover .sub-arrow{ transform: rotate(270deg)!important; } .menu-item-11902 .highlighted .sub-arrow{ transform: rotate(270deg)!important; } .menu-item-11902:hover a.highlighted .sub-arrow{ transform: rotate(90deg)!important; } .menu-item-8924:hover .menu-item-11902 .sub-arrow{ transform: rotate(270deg)!important; } .menu-item-8924:hover .menu-item-11902 a.highlighted .sub-arrow{ transform: rotate(90deg)!important; } /* Les moyens plateformes */ .menu-item-11903 .sub-arrow{ transform: rotate(90deg)!important; } .menu-item-11903:hover .sub-arrow{ transform: rotate(270deg)!important; } .menu-item-11903 .highlighted .sub-arrow{ transform: rotate(270deg)!important; } .menu-item-11903:hover a.highlighted .sub-arrow{ transform: rotate(90deg)!important; } .menu-item-7880:hover .menu-item-11903 .sub-arrow{ transform: rotate(270deg)!important; } .menu-item-7880:hover .menu-item-11903 a.highlighted .sub-arrow{ transform: rotate(90deg)!important; } .menu-item-11903 a{ z-index: 10; } /* Agenda accueil */ #blog_to_agenda .news_box{ transition: transform 0.5s; } #blog_to_agenda .news_box:hover{ transform: translateY(-10px); } #blog_to_agenda .grid_box._card{ width: auto; } #blog_to_agenda .news_box{ width: 349px; } #blog_to_agenda .link__go, #blog_to_agenda .auhtour_box, #blog_to_agenda .date{ display: none!important; } #blog_to_agenda .content_box{ padding: 0px!important; } #blog_to_agenda .source{ display: flex; padding: 0px!important; margin-bottom: 0px!important; border-bottom: none; flex-direction: row-reverse; justify-content: flex-end; } #blog_to_agenda .short_desc{ font-size: 25px; padding: 20px!important; display: block; overflow: hidden; margin-bottom: 0px!important; text-align: left; background: #DA6034; justify-content: center; color: white; text-transform: uppercase; display: flex; align-items: center; width: 35%; min-width: 120px; font-family: "Helvetica", Sans-serif; min-height: 143px; } #blog_to_agenda .news_box{ border-radius: 0px; } #blog_to_agenda .title{ display: flex; align-items: center; padding: 20px; width: 100%; border: 2px solid #da6034; margin: 0px!important; } #blog_to_agenda .title a{ text-transform: uppercase; font-size: 0.44em!important; line-height: 1.5em!important; font-family: "Helvetica", Sans-serif; display: block; font-weight: 400!important; margin-bottom: 0px!important; } #blog_to_agenda .title a:hover{ color: #282F3B; } /* Deuxième date */ #blog_to_agenda .grid_box._card:nth-child(2) .title{ border-color: #F5B044; } #blog_to_agenda .grid_box._card:nth-child(2) .short_desc{ background-color: #F5B044; } /* Troisième date */ #blog_to_agenda .grid_box._card:nth-child(3) .title{ border-color: #77021D; } #blog_to_agenda .grid_box._card:nth-child(3) .short_desc{ background-color: #77021D; } /* Quatrième date */ #blog_to_agenda .grid_box._card:nth-child(4) .title{ border-color: #F5B044; } #blog_to_agenda .grid_box._card:nth-child(4) .short_desc{ background-color: #F5B044; } /* Cinquième date */ #blog_to_agenda .grid_box._card:nth-child(5) .title{ border-color: #77021D; } #blog_to_agenda .grid_box._card:nth-child(5) .short_desc{ background-color: #77021D; } /* Faits marquants home */ #faits_marquants .wb_ps_single_item:hover { transform: scale(1)!important; } #faits_marquants .wb_ps_title{ text-align: left; } #faits_marquants .wb_ps_text{ margin-bottom: 25px; } #faits_marquants .wb_ps_text p{ max-height: 6em; min-height: 6em; color: #ffffff!important; overflow: hidden; line-height: 1.5em; margin-bottom: 0px; text-align: left; } #faits_marquants .wb_ps_text:after{ content: "..."; text-align: left; display: block; } #faits_marquants .wb_ps_title h2{ font-size: 20px; border-bottom: 2px solid #ffffff!important; padding-bottom: 20px!important; overflow: hidden; } #faits_marquants .wb_ps_title h2 a{ border-bottom: none!important; } #faits_marquants .wb_ps_thumbnail img{ object-fit: cover; width: auto; height: 100%; } #faits_marquants .wb_ps_thumbnail a{ height: 100%; } #faits_marquants .wb_ps_content{ padding: 40px; background: #77021D; min-height: 418px; } #faits_marquants .wb_ps_readmore_link{ padding: 0.5em 0.5em 0.5em 0.5em; font-size: 15px; text-align: center; width: auto; font-size: 16px; padding: 12px 24px; line-height: 1; font-family: "Helvetica", Sans-serif; } #faits_marquants .wb_ps_readmore{ text-align: left; } #faits_marquants .wb_ps_single_item{ display: flex; } #faits_marquants .wb_ps_thumbnail{ min-width: 50%; background: #F2F2F2; } #faits_marquants .wbel-arrow.slick-arrow i.fa{ font-size: 2em!important; } #faits_marquants .wbel-arrow{ z-index: 1; } /* Responsive */ @media screen and (max-width: 767px) { #faits_marquants .wb_ps_single_item{ display: block; } #faits_marquants .wb_ps_thumbnail{ min-width: 100%; } #faits_marquants .wb_ps_text p{ max-height: 5em; min-height: 5em; } #faits_marquants .wb_ps_title h2{ font-size: 18px; } #faits_marquants .wb_ps_content{ padding: 20px; min-height: auto; } } /* Subscribe button Seminaires */ .tribe-events-c-subscribe-dropdown__container{ display: none!important; } /* Testimonial etudiant */ #temoignage_etudiant .elementor-element.elementor-element-dbce840 .elementor-testimonial__content{ max-height: 15em; overflow: auto; } /* LE CEMES EN IMAGES */ .page-id-10032 .elementor-slideshow__title, .page-id-14346 .elementor-slideshow__title{ display: none; } .page-id-10032 .gallery .attachment-woocommerce_thumbnail:hover, .page-id-14346 .gallery .attachment-woocommerce_thumbnail:hover{ transform: none; } .page-id-10032 .content h3 a, .page-id-14346 .content h3 a{ font-size: 16px!important; font-family: 'Helvetica', Sans-Serif; opacity: 0; color: white!important; height: 100%; font-weight: 100!important; } .page-id-10032 .content, .page-id-14346 .content{ height: 100%!important; } .page-id-10032 .content h3, .page-id-14346 .content h3{ height: 100%; } .page-id-10032 .image_grid_content .row div.col-lg-3.col-md-4.col-sm-6.col-xs-12, .page-id-14346 .image_grid_content .row div.col-lg-3.col-md-4.col-sm-6.col-xs-12{ padding-left: 0px; padding-right: 5px; } @media screen and (max-width: 1024px) { .page-id-10032 .image_grid_content .row div.col-lg-3.col-md-4.col-sm-6.col-xs-12, .page-id-14346 .image_grid_content .row div.col-lg-3.col-md-4.col-sm-6.col-xs-12{ padding-bottom: 5px; } .page-id-10032 div[data-widget_type="creote-mega-menu-image-grid-v1.default"], .page-id-14346 div[data-widget_type="creote-mega-menu-image-grid-v1.default"]{ margin-bottom: 0px!important; } } @media screen and (min-width: 767px) and (max-width: 1024px) { .page-id-10032 .image_grid_content .row div.col-lg-3.col-md-4.col-sm-6.col-xs-12, .page-id-14346 .image_grid_content .row div.col-lg-3.col-md-4.col-sm-6.col-xs-12{ width: 25%!important; } } .page-id-10032 .mg_image_box:hover, .page-id-14346 .mg_image_box:hover{ -webkit-transform: translateY(0px); transform: translateY(0px); } .page-id-10032 .image_grid_content .row, .page-id-14346 .image_grid_content .row{ --bs-gutter-x: 0rem!important; } .page-id-10032 .image_box, .page-id-14346 .image_box{ background-color: #DA6034; } .page-id-10032 .mg_image_box:hover .image_box img, .page-id-14346 .mg_image_box:hover .image_box img{ opacity: 0 } .page-id-10032 .mg_image_box:hover .content h3 a, .page-id-14346 .mg_image_box:hover .content h3 a{ opacity: 1 } .page-id-10032 .image_grid_content .mg_image_box, .page-id-14346 .image_grid_content .mg_image_box{ margin-bottom: 0px; } .page-id-10032 div[data-widget_type="creote-mega-menu-image-grid-v1.default"], .page-id-14346 div[data-widget_type="creote-mega-menu-image-grid-v1.default"]{ margin-bottom: 5px; } /* FIN LE CEMES EN IMAGES */ /* DÉBUT : Membres (pages groupes et plateforme) */ #membres .wbel_post_slider_wrapper .wb_ps_thumbnail img{ border-radius: 100%; width: 100px; box-shadow: none; } #membres .wbel_post_slider_wrapper .wb_ps_thumbnail{ padding-top: 3em; } #membres .wbel_post_slider_wrapper .wb_ps_text p{ overflow: hidden; text-align: center; max-height: 5em; min-height: 5em; } #membres .wbel_post_slider_wrapper .wb_ps_title h2{ border-bottom: 1px solid #DA6034!important; } #membres .wbel_post_slider_wrapper .wb_ps_title h2 a{ color: #DA6034; font-size: 16px; padding-bottom: 15px; display: inline-block; } #membres .wbel_post_slider_wrapper .wb_ps_readmore a{ color: #DA6034; font-size: 14px; background: none; border: none; } #membres .wbel_post_slider_wrapper .wb_ps_readmore a:hover{ color: #ffffff; background: #DA6034; } #membres .wbel-arrow{ background: none; border: none; font-size: 2em; z-index: 1; } #membres .wbel_post_slider_wrapper .wb_ps_single_item{ box-shadow: none!important; } #membres .wbel_post_slider_wrapper .wb_ps_content{ padding: 20px; height: 275px; } /* FIN : Membres */ /* DEBUT : Toggle */ .elementor-toggle .elementor-tab-title{ border-bottom: 1px solid #DA6034!important; padding: 30px!important; } .elementor-toggle .elementor-toggle-item:first-child{ border-top: 1px solid #DA6034!important; } /* FIN : Toggle */ /* Adaptation slider index */ div[data-elementor-id="6699"]{ height: 210px; } /* Stage marge texte */ .sans_marge_p .elementor-widget-container p{ margin: 0.5em 0 0.5em 0; } /* saut position FR/EN menu header */ .page-id-6098 .elementor-element-9567087 p{ margin: 0; } /* Modification des toggles */ .elementor-toggle .elementor-tab-title{ display: flex; flex-direction: row-reverse; justify-content: flex-end; align-items: center; } .elementor-toggle .elementor-tab-title span{ font-size: 25px; padding-left: 5px; font-weight: 100!important; } .elementor-toggle .elementor-tab-title a{ font-family: "Helvetica"; font-weight: 600!important; } /* Si tu trouves pas le CSS regarde dans le CSS perso de l'élément avec elementor */ /* Panier woocommerce */ .mini_cart_togglers.fixed_cart{ display: none; } /* Article blog affichage */ .news_box.style_seven .image_box .date{ display: none; } .news_box.style_seven{ border-radius: 0px; } .news_box.style_seven .content_box ul{ display: none; } .news_box.style_seven .content_box h2.title a{ padding-bottom: 1em; border-bottom: 2px solid #DA6034!important; color: #DA6034; overflow: hidden; } .news_box.style_seven .content_box p{ max-height: 7em; min-height: 7em; color: #4a4e56!important; } .news_box.style_seven .icon-right-arrow-long:before{ display: none; } .news_box.style_seven .content_box a.read_more{ border: 1px solid #DA6034; width: 50%; padding: 0.5em 0.5em 0.5em 0.5em; text-align: center; } .news_box.style_seven .content_box a.read_more:hover{ border: 1px solid #DA6034; background-color: #DA6034; color: white; } .news_box.style_seven .content_box{ background-color: #ffffff; } /* Article séminaire mise en forme */ .news_box.style_five .comments{ display: none; } .news_box.style_five h2 a{ color: #DA6034; } .news_box.style_five .icon-right-arrow-long:before{ display: none; } .news_box.style_five a.link__go{ border: 2px solid #DA6034; width: 15%; text-align: center; padding: 0.5em 0 0.5em 0; } .news_box.style_five a.link__go:hover{ border: 2px solid white; } /* Logo header */ .elementor-6699 .elementor-element.elementor-element-0e8f6d9 .header_logo_box_solo img, .elementor-14689 .elementor-element.elementor-element-60d4ea5 .header_logo_box_solo img{ width: 80px; } .elementor-element-d9a2353 img{ width: 80px; } .tribe-event-date-start{ font-size: 16px; } /* Apparition second header */ .header-2 { opacity: 0; visibility: hidden; -moz-transition: opacity 1s ease-out!important; -webkit-transition: opacity 1s ease-out!important; transition: opacity 1s ease-out!important; } .elementor-sticky--effects.header-2 { opacity: 1!important; z-index: 100!important; visibility: visible; } /* Sidebar menu */ #elementor-popup-modal-6988 .dialog-widget-content, #elementor-popup-modal-14514 .dialog-widget-content{ width: 250px; right: 0px; } /* submenu pousse les autres éléments et fonctionnement au clic */ .elementor-nav-menu--main .elementor-nav-menu ul{ position: static!important; } /* Image header marge pour menu superpose */ .superposition-menu{ margin-top: -230px!important; } /* Police site */ strong, p, span, button, input, a, .news_box.style_seven .content_box a.read_more, .news_box.default_style.list_view .content_box a.link__go, .news_box.default_style.list_view .content_box a.link__go, .wp-block-search__inside-wrapper .wp-block-search__button, #cat, .team_box.style_one .team_box_outer:hover .about_member .authour_details span, .theme-btn, .tribe-common .tribe-common-c-btn-border-small, .tribe-common .tribe-common-c-btn-border-small, .tribe-common .tribe-common-c-btn, .tribe-common .tribe-common-c-btn, .tribe-common .tribe-common-c-btn-border-small, .news_box.default_style.list_view .content_box .source a.link__go, time{ font-family: "Helvetica", Sans-serif; } h1, h2, h3, h4, h5, h6, .news_box.style_seven .content_box h2 a, .news_box.default_style.list_view .content_box a.link__go, .tribe-common .tribe-common-anchor-thin, .tribe-common .tribe-common-c-btn-border-small, h2 a{ font-family: "roboto"; } /* Menu burger */ .elementor-icon i:before { border: solid 1px white!important; padding: 3px 5px 3px 5px!important; } /* Agenda accueil modification */ #agenda_home .tribe-common--breakpoint-medium.tribe-common .tribe-common-b3--min-medium, #agenda_home .tribe-common--breakpoint-medium.tribe-common .tribe-common-h6, #agenda_home .tribe-common--breakpoint-medium.tribe-common .tribe-common-b2--min-medium{ display: none; } #agenda_home .tribe-events-widget-events-list__events{ display: flex; justify-content: center; } #agenda_home .tribe-common-g-row.tribe-events-widget-events-list__event-row{ border: 1px solid #DA6034; display: flex; flex-direction: column; max-height: 6em; min-height: 6em; margin-left: 3em; margin-right: 3em; } #agenda_home .tribe-events-widget-events-list__event-date-tag.tribe-common-g-col{ background-color: #DA6034; width: 100%; } #agenda_home .tribe-events-widget-events-list__event-date-tag.tribe-common-g-col span{ color: white; } #agenda_home .tribe-events-widget-events-list__event-title.tribe-common-h7 a{ padding: 0.5em; font-size: 0.8em; } #agenda_home .tribe-common .tribe-common-anchor-thin:hover, #agenda_home .tribe-common .tribe-common-anchor-thin{ border: 0px!important; } .tribe-events-page-template div[data-elementor-id="6699"], body.single-post div[data-elementor-id="6699"]{ background-image: url(/wp-content/uploads/2022/11/Header-home-cemes.png); background-position: center; background-size: cover; background-repeat: no-repeat; } /* Agenda seminaire */ .tribe-event-date-end{ font-size: 16px;} .tribe-events-widget-events-list__event-datetime-wrapper{ padding-top: 10px!important; } #seminaire_home .elementor-widget-container .tribe-compatibility-container .tribe-common .tribe-events-widget-events-list .tribe-events-widget-events-list__events .tribe-events-widget-events-list__event-row{ border-left: 3px solid #DA6034!important; padding-left: 1em; margin-bottom: 1em; } #seminaire_home2 .tribe-events-widget-events-list__event-date-tag.tribe-common-g-col{ display: none; } #seminaire_home2 .tribe-events-widget-events-list__header{ display: none; } #seminaire_home2 .tribe-events-widget-events-list__event-header{ display: flex; flex-direction: column-reverse; } #seminaire_home2 .tribe-common-g-row.tribe-events-widget-events-list__event-row:nth-child(1) .tribe-events-widget-events-list__event-title.tribe-common-h7 a, #seminaire_home2 .tribe-common-g-row.tribe-events-widget-events-list__event-row:nth-child(3) .tribe-events-widget-events-list__event-title.tribe-common-h7 a, #seminaire_home2 .tribe-common-g-row.tribe-events-widget-events-list__event-row:nth-child(5) .tribe-events-widget-events-list__event-title.tribe-common-h7 a{ color: #77021D; } #seminaire_home2 .tribe-common-g-row.tribe-events-widget-events-list__event-row:nth-child(2) .tribe-events-widget-events-list__event-title.tribe-common-h7 a, #seminaire_home2 .tribe-common-g-row.tribe-events-widget-events-list__event-row:nth-child(4) .tribe-events-widget-events-list__event-title.tribe-common-h7 a{ color: #DA6034; } #seminaire_home2 .tribe-common-g-row.tribe-events-widget-events-list__event-row:nth-child(1), #seminaire_home2 .tribe-common-g-row.tribe-events-widget-events-list__event-row:nth-child(3), #seminaire_home2 .tribe-common-g-row.tribe-events-widget-events-list__event-row:nth-child(5){ padding-top: 2em; padding-bottom: 2em; border-top: 2px solid #77021D!important; } #seminaire_home2 .tribe-common-g-row.tribe-events-widget-events-list__event-row:nth-child(2), #seminaire_home2 .tribe-common-g-row.tribe-events-widget-events-list__event-row:nth-child(4){ padding-top: 2em; padding-bottom: 2em; border-top: 2px solid #DA6034!important; } #seminaire_home2 .tribe-events-widget-events-list__view-more.tribe-common-b1.tribe-common-b2--min-medium{ text-align: center; } #seminaire_home2 .tribe-events-widget-events-list__view-more.tribe-common-b1.tribe-common-b2--min-medium a{ color: #77021D; } #seminaire_home2 .tribe-events-widget-events-list__view-more.tribe-common-b1.tribe-common-b2--min-medium:hover a{ color: #DA6034; } /* Bouton séminaire */ #seminaire_home .tribe-events-widget .tribe-events-widget-events-list__view-more-link{ color: white; background-color: #DA6034; padding: 0.8em; } #seminaire_home .tribe-events-widget .tribe-events-widget-events-list__view-more-link:hover{ color: #DA6034; background-color: white; padding: 0.8em; border: 1px solid #DA6034; } #seminaire_home .tribe-common--breakpoint-medium.tribe-common .tribe-common-h6{ display: none; } #seminaire_home .tribe-common a{ font-family: "Helvetica"; } .news_box.style_seven .image_box::before{ display: none; } /* Page article */ .related_post.blog_slider{ display: none; } .widget-area.all_side_bar{ display: none; } .share_socail{ display: none; } .sec_comments.padding-t-8.padding-b-3{ display: none; } .post-template-default #primary{ margin-left: auto; margin-right: auto; } .post-template-default #primary .blog_single_details_outer::before{ display: none; } /* Fin apge article */ /*Page Le CEMES en image :*/ /*Animation zoom au survol sur chaque photo*/ .gallery .attachment-woocommerce_thumbnail { transition: transform .5s; } .gallery .attachment-woocommerce_thumbnail:hover { transform: scale(1.05); } /*FIN animation zoom au survol sur chaque photo*/ /*Animation Cartes Membres*/ .wb_ps_single_item{ transition: transform .2s; } .wb_ps_single_item:hover{ transform: scale(1.05); } /*Fin Animation Cartes Membres*/ /* Header responsive menu burger en trop */ @media (max-width: 1200px){ .header .navbar_togglers.hamburger_menu { display: none!important; } } /* FIN Header responsive menu burger en trop */ </style> </head> <body class="page-template page-template-template-homepage page-template-template-homepage-php page page-id-8555 theme-creote cookies-not-set woocommerce-no-js tribe-no-js right-sidebar scrollbarcolor woocommerce_plugin_on group-blog page-ppm header_custom_style_for_all no_footer_sticky_body elementor-default elementor-kit-6 elementor-page elementor-page-8555"> <div data-elementor-type="header" data-elementor-id="6699" class="elementor elementor-6699 elementor-location-header" data-elementor-post-type="elementor_library"> <header class="elementor-section elementor-top-section elementor-element elementor-element-08264c9 elementor-section-full_width header-1 elementor-section-content-middle elementor-section-height-default elementor-section-height-default elementor-invisible" data-id="08264c9" data-element_type="section" data-settings="{"background_background":"classic","sticky":"top","animation":"fadeInDown","sticky_on":["desktop","tablet","mobile"],"sticky_offset":0,"sticky_effects_offset":0,"sticky_anchor_link_offset":0}"> <div class="elementor-container elementor-column-gap-default"> <div class="elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-c806964" data-id="c806964" data-element_type="column"> <div class="elementor-widget-wrap elementor-element-populated"> <div class="elementor-element elementor-element-0e8f6d9 cpel-lv--yes elementor-widget elementor-widget-creote-logo-v1" data-id="0e8f6d9" data-element_type="widget" data-widget_type="creote-logo-v1.default"> <div class="elementor-widget-container"> <div class="header_logo_box_solo"> <a href="https://www.cemes.fr" class="logo navbar-brand"> <img src="https://www.cemes.fr/wp-content/uploads/2022/09/Logo-Cemes-1.png" alt="CEMES" class="logo_default"> </a> </div> </div> </div> </div> </div> <div class="elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-5169012 elementor-hidden-mobile" data-id="5169012" data-element_type="column"> <div class="elementor-widget-wrap elementor-element-populated"> <div class="elementor-element elementor-element-fc123b2 elementor-search-form--skin-minimal elementor-widget__width-auto cpel-lv--yes elementor-widget elementor-widget-search-form" data-id="fc123b2" data-element_type="widget" data-settings="{"skin":"minimal"}" data-widget_type="search-form.default"> <div class="elementor-widget-container"> <search role="search"> <form class="elementor-search-form" action="https://www.cemes.fr/" method="get"> <div class="elementor-search-form__container"> <label class="elementor-screen-only" for="elementor-search-form-fc123b2">Rechercher </label> <div class="elementor-search-form__icon"> <div class="e-font-icon-svg-container"><svg aria-hidden="true" class="e-font-icon-svg e-fas-search" viewBox="0 0 512 512" xmlns="http://www.w3.org/2000/svg"><path d="M505 442.7L405.3 343c-4.5-4.5-10.6-7-17-7H372c27.6-35.3 44-79.7 44-128C416 93.1 322.9 0 208 0S0 93.1 0 208s93.1 208 208 208c48.3 0 92.7-16.4 128-44v16.3c0 6.4 2.5 12.5 7 17l99.7 99.7c9.4 9.4 24.6 9.4 33.9 0l28.3-28.3c9.4-9.4 9.4-24.6.1-34zM208 336c-70.7 0-128-57.2-128-128 0-70.7 57.2-128 128-128 70.7 0 128 57.2 128 128 0 70.7-57.2 128-128 128z"></path></svg></div> <span class="elementor-screen-only">Rechercher </span> </div> <input id="elementor-search-form-fc123b2" placeholder="Rechercher..." class="elementor-search-form__input" type="search" name="s" value=""> </div> </form> </search> </div> </div> </div> </div> <div class="elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-987e57f elementor-hidden-mobile" data-id="987e57f" data-element_type="column"> <div class="elementor-widget-wrap elementor-element-populated"> <div class="elementor-element elementor-element-72a7cbb elementor-widget elementor-widget-creote-menu-v1" data-id="72a7cbb" data-element_type="widget" data-widget_type="creote-menu-v1.default"> <div class="elementor-widget-container"> <header class="header header_solo"> <div class="navbar_togglers hamburger_menu"> <span class="line"></span> <span class="line"></span> <span class="line"></span> </div> <div class="header_content_collapse"> <div class="header_menu_box"> <div class="navigation_menu"> <ul id="myNavbar" class="navbar_nav" itemscope itemtype="http://www.schema.org/SiteNavigationElement"><li id="menu-item-19213-en" class="lang-item lang-item-112 lang-item-en lang-item-first menu-item menu-item-type-custom menu-item-object-custom menu-item-19213-en nav-item"><a itemprop="url" href="https://www.cemes.fr/en/ppm-eng/" class="nav-link" hreflang="en-GB" lang="en-GB"><span itemprop="name">English</span></a></li> </ul> </div> </div> </div> </header> </div> </div> </div> </div> <div class="elementor-column elementor-col-25 elementor-top-column 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elementor-section-boxed elementor-section-height-default" data-id="22050b8" data-element_type="section" data-settings="{"background_background":"slideshow","background_slideshow_gallery":[{"id":8578,"url":"https:\/\/www.cemes.fr\/wp-content\/uploads\/2022\/12\/Groupe-PPM.png"}],"background_slideshow_slide_duration":5000,"background_slideshow_slide_transition":"fade","background_slideshow_transition_duration":500}"> <div class="elementor-background-overlay"></div> <div class="elementor-container elementor-column-gap-no"> <div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-15e1882" data-id="15e1882" data-element_type="column"> <div class="elementor-widget-wrap elementor-element-populated"> <div class="elementor-element elementor-element-c5cb1f0 animated-slow elementor-invisible elementor-widget elementor-widget-heading" data-id="c5cb1f0" data-element_type="widget" data-settings="{"_animation":"fadeInUp"}" data-widget_type="heading.default"> <div class="elementor-widget-container"> <h1 class="elementor-heading-title elementor-size-default">PPM</h1> </div> </div> </div> </div> </div> </section> <section class="elementor-section elementor-top-section elementor-element elementor-element-fd979ec elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="fd979ec" data-element_type="section" id="presentation"> <div class="elementor-container elementor-column-gap-default"> <div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7a4b21a" data-id="7a4b21a" data-element_type="column"> <div class="elementor-widget-wrap elementor-element-populated"> <div class="elementor-element elementor-element-0c521ff elementor-widget elementor-widget-heading" data-id="0c521ff" data-element_type="widget" data-widget_type="heading.default"> <div class="elementor-widget-container"> <h2 class="elementor-heading-title elementor-size-default">Physique de la Plasticité et Métallurgie</h2> </div> </div> <div class="elementor-element elementor-element-bdb0a49 elementor-widget elementor-widget-text-editor" data-id="bdb0a49" data-element_type="widget" data-widget_type="text-editor.default"> <div class="elementor-widget-container"> <p>Le groupe « Physique de la Plasticité et Métallurgie » (PPM) du CEMES a pour objectif la compréhension des propriétés mécaniques de matériaux essentiellement métalliques. La recherche s’appuie sur l’observation et la modélisation des mécanismes élémentaires de la plasticité (comportement des dislocations, transformations de phase, processus diffusifs, etc.) entre autres, en lien avec le vieillissement de ces matériaux, et des procédés d’élaboration dont le frittage flash.</p><p>La finalité de ce travail est de transposer ces connaissances à l’optimisation des qualités structurales ou mécaniques de matériaux industriels à microstructure complexe, en particulier ceux de l’industrie aéronautique.</p><p>L’outil privilégié est le Microscope Electronique en Transmission, dans tous les modes avancés d’observation, et avec l’originalité de l’expertise de l’observation in-situ du comportement des matériaux sollicités en température et en contrainte, à l’échelle microscopique ou nanoscopique.</p><p>Marc Legros, animateur du groupe</p> </div> </div> <div class="elementor-element elementor-element-3fa893c elementor-widget elementor-widget-heading" data-id="3fa893c" data-element_type="widget" id="thematique" data-widget_type="heading.default"> <div class="elementor-widget-container"> <h2 class="elementor-heading-title elementor-size-default">LES THÉMATIQUES DE RECHERCHE</h2> </div> </div> <div class="elementor-element elementor-element-da94ea8 elementor-widget elementor-widget-text-editor" data-id="da94ea8" data-element_type="widget" data-widget_type="text-editor.default"> <div class="elementor-widget-container"> <h5><span style="color: #da6034;">1. Mécanismes élémentaires de la plasticité </span></h5> </div> </div> <div class="elementor-element elementor-element-976020f elementor-widget elementor-widget-toggle" data-id="976020f" data-element_type="widget" data-widget_type="toggle.default"> <div class="elementor-widget-container"> <div class="elementor-toggle"> <div class="elementor-toggle-item"> <div id="elementor-tab-title-1581" class="elementor-tab-title" data-tab="1" role="button" aria-controls="elementor-tab-content-1581" aria-expanded="false"> <span class="elementor-toggle-icon elementor-toggle-icon-left" aria-hidden="true"> <span class="elementor-toggle-icon-closed"><svg class="e-font-icon-svg e-fas-chevron-down" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"></path></svg></span> <span class="elementor-toggle-icon-opened"><svg class="elementor-toggle-icon-opened e-font-icon-svg e-fas-chevron-up" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z"></path></svg></span> </span> <a class="elementor-toggle-title" tabindex="0">Alliages à haute entropie</a> </div> <div id="elementor-tab-content-1581" class="elementor-tab-content elementor-clearfix" data-tab="1" role="region" aria-labelledby="elementor-tab-title-1581"><p>Les alliages à haute entropie ou alliages à éléments principaux multiples (MPA en anglais) sont apparus dans la littérature en 2004 grâce à deux publications de Cantor et Yeh. Ils diffèrent des alliages “classiques” contenant un faible taux d’atomes minoritaires en solution (à gauche), et des alliages intermétalliques ordonnés (au centre), car ils sont constitués de plusieurs éléments métalliques (5 au début de leur découverte mais jusqu’à 3 aujourd’hui)(à droite) qui sont mélangés en proportion égale ou presque égale. Le résultat est un alliage en solution solide monophasé dans lequel les atomes sont censés être distribués de manière aléatoire sur un réseau cfc ou cc.</p><p><img fetchpriority="high" decoding="async" class="wp-image-17496 aligncenter" src="https://www.cemes.fr/wp-content/uploads/2023/09/hea-solution-solide-schema-600x179.png" alt="" width="547" height="163" srcset="https://www.cemes.fr/wp-content/uploads/2023/09/hea-solution-solide-schema-600x179.png 600w, https://www.cemes.fr/wp-content/uploads/2023/09/hea-solution-solide-schema-1024x305.png 1024w, https://www.cemes.fr/wp-content/uploads/2023/09/hea-solution-solide-schema-768x229.png 768w, https://www.cemes.fr/wp-content/uploads/2023/09/hea-solution-solide-schema.png 1387w" sizes="(max-width: 547px) 100vw, 547px" /></p><p>Ce caractère de solution très concentrée entraîne une grande résistance à la déformation. Nous utilisons le MET in situ pour sonder le mouvement des dislocations (ci-dessous) dans ce type d’alliages aussi bien à basse (alliage de type Cantor CoCrFeMnNi) qu’à haute température (alliages réfractaire de type HfNbTaTiZr).</p><p><img decoding="async" class="aligncenter" src="https://www.cemes.fr/wp-content/uploads/2022/12/Image-1.png" alt="" width="279" height="176" /></p><p>Marc Legros, Frédéric Mompiou</p></div> </div> <div class="elementor-toggle-item"> <div id="elementor-tab-title-1582" class="elementor-tab-title" data-tab="2" role="button" aria-controls="elementor-tab-content-1582" aria-expanded="false"> <span class="elementor-toggle-icon elementor-toggle-icon-left" aria-hidden="true"> <span class="elementor-toggle-icon-closed"><svg class="e-font-icon-svg e-fas-chevron-down" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"></path></svg></span> <span class="elementor-toggle-icon-opened"><svg class="elementor-toggle-icon-opened e-font-icon-svg e-fas-chevron-up" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z"></path></svg></span> </span> <a class="elementor-toggle-title" tabindex="0">Métaux BCC et HCP</a> </div> <div id="elementor-tab-content-1582" class="elementor-tab-content elementor-clearfix" data-tab="2" role="region" aria-labelledby="elementor-tab-title-1582"><p><img decoding="async" class="aligncenter wp-image-8772" src="https://www.cemes.fr/wp-content/uploads/2022/12/Image-2.png" alt="" width="351" height="200" srcset="https://www.cemes.fr/wp-content/uploads/2022/12/Image-2.png 304w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-2-300x171.png 300w" sizes="(max-width: 351px) 100vw, 351px" /></p><p>Nous cherchons à comprendre pourquoi les propriétés mécaniques des alliages sont bien meilleures que celles des métaux purs. Par exemple, un acier ferritique est bien plus résistant que du fer pur, bien que leurs structures cristallines sont semblables. En plus de l’effet des précipités et autres phases durcissantes, les atomes d’alliage qui se dispersent dans le métal (on dit qu’ils sont en « solution solide ») jouent un rôle essentiel particulièrement difficile à comprendre. En partant d’un métal pur comme le fer (structure cubique centrée) ou le zirconium (structure hexagonale), nous étudions les effets combinés de divers solutés (carbone, oxygène, silicium, nickel, etc.) sur le comportement des dislocations observées « in situ » dans un microscope électronique.</p><p>Daniel Caillard, Marc Legros, Frédéric Mompiou</p></div> </div> <div class="elementor-toggle-item"> <div id="elementor-tab-title-1583" class="elementor-tab-title" data-tab="3" role="button" aria-controls="elementor-tab-content-1583" aria-expanded="false"> <span class="elementor-toggle-icon elementor-toggle-icon-left" aria-hidden="true"> <span class="elementor-toggle-icon-closed"><svg class="e-font-icon-svg e-fas-chevron-down" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"></path></svg></span> <span class="elementor-toggle-icon-opened"><svg class="elementor-toggle-icon-opened e-font-icon-svg e-fas-chevron-up" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z"></path></svg></span> </span> <a class="elementor-toggle-title" tabindex="0">Joints de grains </a> </div> <div id="elementor-tab-content-1583" class="elementor-tab-content elementor-clearfix" data-tab="3" role="region" aria-labelledby="elementor-tab-title-1583"><p><img loading="lazy" decoding="async" class="aligncenter wp-image-8773" src="https://www.cemes.fr/wp-content/uploads/2022/12/Image-3.png" alt="" width="334" height="177" srcset="https://www.cemes.fr/wp-content/uploads/2022/12/Image-3.png 326w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-3-300x159.png 300w" sizes="(max-width: 334px) 100vw, 334px" /></p><p>En l’absence de dislocations qui sont le principal vecteur de la déformation plastique, les joints de grain peuvent compenser cette absence par des mécanismes qui font actuellement l’objet d’intenses recherches dans le monde entier. Un mécanisme critique est appelé migration des joints de grains par couplage de cisaillement. Actif à haute température ou dans des matériaux à petits grains dépourvus de dislocations, nous étudions ce mécanisme à la fois en utilisant la MET in situ, et la dynamique moléculaire (Collaboration avec N. Combe – groupe SiNano du CEMES).</p><p>Depuis 2013, 3 thèses et un projet ANR (Rodin) ont concouru à établir le rôle critique des déconnexions, un défaut constitué d’une marche et d’une dislocation et n’appartenant qu’aux joints de grains. Nous avons montré par exemple que le facteur de couplage (qui mesure l’efficacité du mécanisme de cisaillement-couplage en donnant le rapport entre le cisaillement et la distance de migration) dépend de ces défauts plutôt que du caractère du joint de grain.</p><p>Une collaboration avec D. Texier (ICA) est également en cours pour évaluer l’influence des joints de grains dans la cinétique d’oxydation des alliages structuraux (à base de Ti, Ni). La cartographie par nanoindentation, la MET et la DIC sont les principaux outils d’investigation pour cette étude, soutenue par une subvention ERC (HT-S4DefOx-link).</p><p>Marc Legros, Frédéric Mompiou</p></div> </div> <div class="elementor-toggle-item"> <div id="elementor-tab-title-1584" class="elementor-tab-title" data-tab="4" role="button" aria-controls="elementor-tab-content-1584" aria-expanded="false"> <span class="elementor-toggle-icon elementor-toggle-icon-left" aria-hidden="true"> <span class="elementor-toggle-icon-closed"><svg class="e-font-icon-svg e-fas-chevron-down" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"></path></svg></span> <span class="elementor-toggle-icon-opened"><svg class="elementor-toggle-icon-opened e-font-icon-svg e-fas-chevron-up" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z"></path></svg></span> </span> <a class="elementor-toggle-title" tabindex="0">Mécanismes en milieu confiné</a> </div> <div id="elementor-tab-content-1584" class="elementor-tab-content elementor-clearfix" data-tab="4" role="region" aria-labelledby="elementor-tab-title-1584"><p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-8774" src="https://www.cemes.fr/wp-content/uploads/2022/12/Image-4.jpg" alt="" width="180" height="180" srcset="https://www.cemes.fr/wp-content/uploads/2022/12/Image-4.jpg 180w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-4-100x100.jpg 100w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-4-150x150.jpg 150w" sizes="(max-width: 180px) 100vw, 180px" /></p><p>Les matériaux métalliques que nous utilisons sont composés de grains cristallins dont la taille est de quelques micromètres. Or il est maintenant possible d’élaborer des matériaux nanocristallins (taille de grains inférieure à 100 nm) ou à grains ultrafins (taille de grains inférieure à 1 µm).</p><p>A cette échelle, de nouvelles propriétés physiques apparaissent : d’un point de vue mécanique, par exemple, les matériaux métalliques à nano-grains présentent une limite d’élasticité jusqu’à 10 fois supérieure à celle à leurs équivalents à grains micrométriques.</p><p> </p><p>On comprend donc l’intérêt que ces objets suscitent tant sur le plan fondamental qu’appliqué. Cette résistance mécanique accrue s’explique en partie par le confinement des dislocations dont le mouvement assure la déformation plastique des cristaux dans un large domaine de contrainte et de température.</p><p> </p><p>Marc Legros, Frédéric Mompiou, coll. Nicolas Combe (groupe SiNano du CEMES)</p></div> </div> </div> </div> </div> <div class="elementor-element elementor-element-b91f05c elementor-widget elementor-widget-text-editor" data-id="b91f05c" data-element_type="widget" data-widget_type="text-editor.default"> <div class="elementor-widget-container"> <h5><span style="color: #da6034;">2. Matériaux pour l’aéronautique </span></h5> </div> </div> <div class="elementor-element elementor-element-3a4de55 elementor-widget elementor-widget-toggle" data-id="3a4de55" data-element_type="widget" data-widget_type="toggle.default"> <div class="elementor-widget-container"> <div class="elementor-toggle"> <div class="elementor-toggle-item"> <div id="elementor-tab-title-6111" class="elementor-tab-title" data-tab="1" role="button" aria-controls="elementor-tab-content-6111" aria-expanded="false"> <span class="elementor-toggle-icon elementor-toggle-icon-left" aria-hidden="true"> <span class="elementor-toggle-icon-closed"><svg class="e-font-icon-svg e-fas-chevron-down" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"></path></svg></span> <span class="elementor-toggle-icon-opened"><svg class="elementor-toggle-icon-opened e-font-icon-svg e-fas-chevron-up" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z"></path></svg></span> </span> <a class="elementor-toggle-title" tabindex="0">Superalliages base nickel</a> </div> <div id="elementor-tab-content-6111" class="elementor-tab-content elementor-clearfix" data-tab="1" role="region" aria-labelledby="elementor-tab-title-6111"><p><img loading="lazy" decoding="async" class="aligncenter wp-image-8776" src="https://www.cemes.fr/wp-content/uploads/2022/12/Image-5.jpg" alt="" width="469" height="310" srcset="https://www.cemes.fr/wp-content/uploads/2022/12/Image-5.jpg 1376w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-5-600x396.jpg 600w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-5-1024x676.jpg 1024w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-5-768x507.jpg 768w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-5-300x198.jpg 300w" sizes="(max-width: 469px) 100vw, 469px" /></p><p><em> </em></p><p>Les superalliages à base de nickel (solutions solides base Ni contenant d’autres éléments chimiques tels que Cr, Co, Mo, W, Al, Ti, Re, …) sont largement utilisés pour les composants des moteurs d’avion, plus particulièrement les pales, aubes et disques de turbine haute pression. En particulier, l’utilisation de superalliages à base de nickel monocristallins au niveau des aubes est nécessaire en raison de la gamme de contraintes appliquées à ces pièces, allant des températures intermédiaires (700 – 800 °C) et des contraintes élevées dans le pied d’aube, aux températures élevées (1000 – 1200 °C) et aux contraintes faibles.</p><p>Le design de nouveaux superalliages est indispensable pour atteindre des températures de fonctionnement plus élevées. Différents superalliages base nickel ont ainsi été définis en faisant varier la teneur en éléments d’alliage, en particulier celle des éléments réfractaires Mo, W, Re, Ru et Ta, afin de répondre à plusieurs exigences.</p><p>Les activités de recherche menées au CEMES dans ce domaine consistent à analyser les microstructures et les micromécanismes de déformation dans différents superalliages pour identifier les paramètres physiques en lien avec les compositions chimiques des alliages. L’objectif final est d’interpréter le comportement mécanique macroscopique (comportement en traction, fluage, fatigue) et d’identifier les différences de propriétés mécaniques pour contribuer à cette aventure scientifique de développements d’alliages pour l’aéronautique.</p><p>J. Douin, M. Hantcherli, F Pettinari-Sturmel.</p><p><em>Image: Observation au MET de dislocations dans le superalliage TROPEA (Brevet No US 2021/0214822 A1, J. Cormier, J. Rame, Pprime-SAFRAN) – Thèse Université de Toulouse B. Mansoz</em></p><p><em>Collaborations : J. Cormier, P. Villechaise, Institut PPrime Poitiers ; N. Bozzolo CEMEF Sophia Antipolis.</em></p></div> </div> <div class="elementor-toggle-item"> <div id="elementor-tab-title-6112" class="elementor-tab-title" data-tab="2" role="button" aria-controls="elementor-tab-content-6112" aria-expanded="false"> <span class="elementor-toggle-icon elementor-toggle-icon-left" aria-hidden="true"> <span class="elementor-toggle-icon-closed"><svg class="e-font-icon-svg e-fas-chevron-down" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"></path></svg></span> <span class="elementor-toggle-icon-opened"><svg class="elementor-toggle-icon-opened e-font-icon-svg e-fas-chevron-up" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z"></path></svg></span> </span> <a class="elementor-toggle-title" tabindex="0">Alliages d’Al</a> </div> <div id="elementor-tab-content-6112" class="elementor-tab-content elementor-clearfix" data-tab="2" role="region" aria-labelledby="elementor-tab-title-6112"><p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-8777" src="https://www.cemes.fr/wp-content/uploads/2022/12/Image-6.png" alt="" width="299" height="124" /></p><p>La précipitation structurale est un des moyens les plus efficaces pour améliorer les propriétés mécaniques des alliages métalliques où la nécessité d’alléger les structures pour limiter la consommation énergétique impose des augmentations très significatives des performances mécaniques… Dans cette optique, les alliages d’aluminium restent de très bons candidats pour les applications structurales. Nos études se focalisent sur la détermination des caractéristiques microstructurales des nanoprécipités à l’origine des propriétés remarquables de ces alliages mais aussi sur leur évolution en fonction du temps et de la température, leur vieillissement.</p><p>J. Douin, F. Pettinari-Sturmel</p></div> </div> <div class="elementor-toggle-item"> <div id="elementor-tab-title-6113" class="elementor-tab-title" data-tab="3" role="button" aria-controls="elementor-tab-content-6113" aria-expanded="false"> <span class="elementor-toggle-icon elementor-toggle-icon-left" aria-hidden="true"> <span class="elementor-toggle-icon-closed"><svg class="e-font-icon-svg e-fas-chevron-down" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"></path></svg></span> <span class="elementor-toggle-icon-opened"><svg class="elementor-toggle-icon-opened e-font-icon-svg e-fas-chevron-up" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z"></path></svg></span> </span> <a class="elementor-toggle-title" tabindex="0">Alliages de Ti</a> </div> <div id="elementor-tab-content-6113" class="elementor-tab-content elementor-clearfix" data-tab="3" role="region" aria-labelledby="elementor-tab-title-6113"><p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-8778" src="https://www.cemes.fr/wp-content/uploads/2022/12/Image-7.jpg" alt="" width="730" height="210" srcset="https://www.cemes.fr/wp-content/uploads/2022/12/Image-7.jpg 730w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-7-600x173.jpg 600w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-7-300x86.jpg 300w" sizes="(max-width: 730px) 100vw, 730px" /></p><p>La fabrication additive à base de fil présente un fort intérêt pour la production en série de grandes pièces métalliques aéronautiques, en particulier pour les alliages de titane. Néanmoins, cette technologie génère un historique thermique spécifique qui conduit à des microstructures singulières et originales par rapport aux procédés traditionnels, et qui a un impact direct sur les propriétés mécaniques.</p><p>Une caractérisation multi-échelle fine permet de comprendre les conditions de formation de la microstructure. L’aspect le plus remarquable en est le gradient microstructural créé lors de la déposition, avec une influence certaine de l’hétérogénéité microstructurale sur la répartition de la déformation plastique.</p><p>Notre objectif est de déterminer la relation entre histoire thermique atypique et microstructure fine de ces alliages de titane, afin d’en tirer in fine les conditions de fabrication optimales au regard des propriétés mécaniques.</p><p>J. Douin, F. Pettinari-Sturmel</p></div> </div> <div class="elementor-toggle-item"> <div id="elementor-tab-title-6114" class="elementor-tab-title" data-tab="4" role="button" aria-controls="elementor-tab-content-6114" aria-expanded="false"> <span class="elementor-toggle-icon elementor-toggle-icon-left" aria-hidden="true"> <span class="elementor-toggle-icon-closed"><svg class="e-font-icon-svg e-fas-chevron-down" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"></path></svg></span> <span class="elementor-toggle-icon-opened"><svg class="elementor-toggle-icon-opened e-font-icon-svg e-fas-chevron-up" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z"></path></svg></span> </span> <a class="elementor-toggle-title" tabindex="0">TiAl</a> </div> <div id="elementor-tab-content-6114" class="elementor-tab-content elementor-clearfix" data-tab="4" role="region" aria-labelledby="elementor-tab-title-6114"><p><img loading="lazy" decoding="async" class=" wp-image-8780" src="https://www.cemes.fr/wp-content/uploads/2022/12/Image-8.jpg" alt="" width="488" height="326" srcset="https://www.cemes.fr/wp-content/uploads/2022/12/Image-8.jpg 1203w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-8-600x401.jpg 600w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-8-1024x684.jpg 1024w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-8-768x513.jpg 768w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-8-300x200.jpg 300w" sizes="(max-width: 488px) 100vw, 488px" /></p><p>Les alliages intermétalliques TiAl sont des matériaux industriels pour des applications haute température, en raison de leur faible densité et de leur haute résistance mécanique à chaud. Les premières industrialisations ont eu lieu en 2011 et 2014 dans les derniers étages (les moins contraints) des turbines des moteurs aéronautiques de General Electric et Safran. L’objectif est maintenant d’installer ces matériaux dans des étages plus amonts des moteurs, c’est-à-dire des étages travaillant à plus haute température.</p><p>Dans ce contexte industriel, notre équipe travaille sur des problématiques de physique liées à la fois aux procédés d’élaboration de ce type d’alliages et à la compréhension des mécanismes de la plasticité dans cette famille de matériaux aux microstructures riches et complexes.</p><p>Elle possède deux brevets sur le développement d’un alliage TiAl par la voie de la métallurgie des poudres dite de Frittage Flash qui est la plus performante à l’heure actuelle pour des températures supérieures à 800°C. Par ailleurs, la MET in situ, un des points forts du groupe PPM, lui permet d’analyser de façon unique les mécanismes de déformation à l’échelle des dislocations qui sont à l’œuvre dans les différentes phases cristallographiques en jeu ainsi qu’aux interfaces nombreuses et variées.</p><p>Alain Couret, Muriel Hantcherli, Guy Molénat, Jean-Philippe Monchoux</p></div> </div> </div> </div> </div> <div class="elementor-element elementor-element-acba7c9 elementor-widget elementor-widget-text-editor" data-id="acba7c9" data-element_type="widget" data-widget_type="text-editor.default"> <div class="elementor-widget-container"> <h5><span style="color: #da6034;">3. Matériaux pour le stockage et la conversion de l’énergie </span></h5> </div> </div> <div class="elementor-element elementor-element-c744cbb elementor-widget elementor-widget-toggle" data-id="c744cbb" data-element_type="widget" data-widget_type="toggle.default"> <div class="elementor-widget-container"> <div class="elementor-toggle"> <div class="elementor-toggle-item"> <div id="elementor-tab-title-2081" class="elementor-tab-title" data-tab="1" role="button" aria-controls="elementor-tab-content-2081" aria-expanded="false"> <span class="elementor-toggle-icon elementor-toggle-icon-left" aria-hidden="true"> <span class="elementor-toggle-icon-closed"><svg class="e-font-icon-svg e-fas-chevron-down" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"></path></svg></span> <span class="elementor-toggle-icon-opened"><svg class="elementor-toggle-icon-opened e-font-icon-svg e-fas-chevron-up" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z"></path></svg></span> </span> <a class="elementor-toggle-title" tabindex="0">Modules de puissance</a> </div> <div id="elementor-tab-content-2081" class="elementor-tab-content elementor-clearfix" data-tab="1" role="region" aria-labelledby="elementor-tab-title-2081"><p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-8781" src="https://www.cemes.fr/wp-content/uploads/2022/12/Image-9.png" alt="" width="352" height="188" srcset="https://www.cemes.fr/wp-content/uploads/2022/12/Image-9.png 352w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-9-300x160.png 300w" sizes="(max-width: 352px) 100vw, 352px" /></p><p>La métallisation des modules de puissance utilisés en électronique de puissance (automobile, train, domotique, …) est l’un des maillons les plus faibles de ces composants. De ce fait, elle limite leur fiabilité et leur durée de vie. Nous étudions comment les contraintes thermomécaniques que subissent ces dispositifs conduisent à leur défaillance par des mécanismes spécifiques au métal (Al/Cu) ou aux liaisons filaires. Grâce à des collaborations avec NXP ou Mitsubishi Electric, nous avons développé des procédures spécifiques utilisant les techniques TEM, FIB, et nanoindentation pour suivre les changements dans les microstructures du métal, du fil et de leur interface afin de déchiffrer les mécanismes critiques qui conduisent à leur dégradation.</p><p>M. Legros, L. Karanja (thèse)</p></div> </div> <div class="elementor-toggle-item"> <div id="elementor-tab-title-2082" class="elementor-tab-title" data-tab="2" role="button" aria-controls="elementor-tab-content-2082" aria-expanded="false"> <span class="elementor-toggle-icon elementor-toggle-icon-left" aria-hidden="true"> <span class="elementor-toggle-icon-closed"><svg class="e-font-icon-svg e-fas-chevron-down" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"></path></svg></span> <span class="elementor-toggle-icon-opened"><svg class="elementor-toggle-icon-opened e-font-icon-svg e-fas-chevron-up" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z"></path></svg></span> </span> <a class="elementor-toggle-title" tabindex="0">Energie solaire et énergie nucléaire</a> </div> <div id="elementor-tab-content-2082" class="elementor-tab-content elementor-clearfix" data-tab="2" role="region" aria-labelledby="elementor-tab-title-2082"><p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-8782" src="https://www.cemes.fr/wp-content/uploads/2022/12/Image-10.png" alt="" width="306" height="194" srcset="https://www.cemes.fr/wp-content/uploads/2022/12/Image-10.png 306w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-10-300x190.png 300w" sizes="(max-width: 306px) 100vw, 306px" /></p><p>L’énergie nucléaire étant une des voies pour réduire notre empreinte carbone, nous étudions, en étroite collaboration avec le CEA (Saclay, Cadarache) le comportement des matériaux utilisés pour produire l’énergie (UO2) ou de structure (Zr, aciers, …). Leur comportement mécanique dans ces conditions extrêmes (irradiation, température, corrosion et contrainte) est à nouveau au centre des préoccupations car elles ont un impact direct sur leur durée de vie et celle des centrales dans lesquelles ils sont utilisés. En particulier, nous étudions comment les défauts d’irradiation (boucles, clusters) interagissent avec les dislocations ou les joints de grains.</p><p>Dans le cas de l’énergie solaire (collaboration CEA INES, IM2NP Marseille), l’objectif est de comprendre les processus de solidification du silicium, premier transformateur lumière/électricité. Dans ce cas, la formation de certaines structures de dislocation telles que les joints sous-grains ou les verrous Lomer sont préjudiciables à la conversion de l’énergie et doivent être évitées. Cependant, la manière dont elles se forment pendant la solidification n’est pas encore totalement comprise. En particulier, le rôle des contraintes résiduelles et le processus de multiplication des joints de grains à faible angle sont essentiels.</p><p>Dans le cas des matériaux de structure, nous nous intéressons aux mécanismes de plasticité influencés par l’irradiation à haute température (en conditions de fonctionnement ou d’entreposage). Les questionnements sur les mécanismes élémentaires mettant en jeu les boucles de dislocations formées par l’accumulation des défauts ponctuels lors de l’irradiation et la contrainte mécanique restent toujours mal connus. Nous travaillons actuellement en collaboration avec le CEA Saclay (SRMA et SRMP) sur des études couplant simulations numériques (Dynamique des Dislocations, Dynamique moléculaire, et Monte-Carlo cinétique sur Objets) et MET in-situ (sous contrainte et/ou température) afin de mieux appréhender les mécanismes de fluage d’irradiation (dans l’Al en tant que système modèle), de restauration de microstructure de boucles et d’interaction dislocations/boucles dans le zirconium.</p><p>D. Caillard, M. Legros, F. Mompiou</p></div> </div> </div> </div> </div> <div class="elementor-element elementor-element-cabe45f elementor-widget elementor-widget-text-editor" data-id="cabe45f" data-element_type="widget" data-widget_type="text-editor.default"> <div class="elementor-widget-container"> <h5><span style="color: #da6034;">4. Outils </span></h5> </div> </div> <div class="elementor-element elementor-element-2ec889b elementor-widget elementor-widget-toggle" data-id="2ec889b" data-element_type="widget" data-widget_type="toggle.default"> <div class="elementor-widget-container"> <div class="elementor-toggle"> <div class="elementor-toggle-item"> <div id="elementor-tab-title-4901" class="elementor-tab-title" data-tab="1" role="button" aria-controls="elementor-tab-content-4901" aria-expanded="false"> <span class="elementor-toggle-icon elementor-toggle-icon-left" aria-hidden="true"> <span class="elementor-toggle-icon-closed"><svg class="e-font-icon-svg e-fas-chevron-down" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"></path></svg></span> <span class="elementor-toggle-icon-opened"><svg class="elementor-toggle-icon-opened e-font-icon-svg e-fas-chevron-up" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z"></path></svg></span> </span> <a class="elementor-toggle-title" tabindex="0">Essais mécaniques</a> </div> <div id="elementor-tab-content-4901" class="elementor-tab-content elementor-clearfix" data-tab="1" role="region" aria-labelledby="elementor-tab-title-4901"><h6>Déformation in situ dans un MET</h6><p><strong> </strong></p><p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-8785" src="https://www.cemes.fr/wp-content/uploads/2022/12/Image-11.png" alt="" width="230" height="209" /></p><p>Les expériences de déformation ou de chauffage in situ dans un TEM sont principalement réalisées sur le JEOL 2010 HC (200kV, Lab6) du laboratoire, tandis que certaines expériences plus spécifiques (indentation, couplage avec ASTAR) sont réalisées sur le I2TEM (300kV, Cold FEG) ou le CM20FEG (200kV, S-FEG).</p><p>3 types de porte-échantillons sont disponibles :</p><p>– Porte-échantillons de traction (sans capteur de charge) :</p><ul><li>pour le JEOL : haute température (fait maison, jusqu’à 1450°C), basse température (Gatan, de 573K jusqu’à 100K), température ambiante (Gatan)</li><li>Thermo-Fisher : température ambiante (Gatan)</li></ul><p>– Porte-échantillons MEMS : sur le JEOL (Hummingbirds, 7 contacts)</p><p>– Nanoindentation :</p><ul><li>Thermo-Fisher (Nanofactory, Nanoindentation+STM)</li><li>sur le MET Hitachi (Bruker-Hysitron PI95)</li></ul><h6><strong>Essais micro-mécaniques</strong></h6><p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-8784" src="https://www.cemes.fr/wp-content/uploads/2022/12/Image-12.jpg" alt="" width="265" height="199" /></p><p>Ces essais ont la particularité de pouvoir être réalisés dans un MEB ou un MET.</p><ul><li>MET : Les essais de déformation en MET in-situ sont une des spécialités historiques du CEMES et du groupe PPM en particulier. Ils consistent à déformer une lame mince à l’intérieur d’un MET et d’observer les mécanismes mis en jeu. En combinant porte-objet “maison” et commerciaux, nous pouvons effectuer des tractions in situ de 100 à 1700K sur des micro-eprouvettes rectangulaires (1x3mm) amincies en leur centre, souvent par polissage electrolytique. Un porte-objet de nano-indentation est aussi disponible sur l’I2TEM qui permet de faire de la compression et à l’aide de microdispositifs mécaniques de la traction sur nano-objets. Ce porte-objet est pour l’instant le seul qui permet de mesurer la force appliquée pendant l’essai.</li></ul><p>Nous essayons également de développer un dispositif pour mesurer force et déplacement pendant un essai in situ en MET à l’aide de MEMS (Micro ElectroMechanical Systems) dans lesquels ces deux paramètres sont mesurées par des dispositifs capacitifs.</p><ul><li>MEB : Les essais de déformation en MEB (nanoindentation, traction, compression) sont maintenant réalisés de façon régulière sur un système FT-NMT04 de la société FemtoTools. (L’appareil remplace un montage custom calqué sur celui de D. Gianola à UPenn (Ref). Les forces accessibles vont jusqu’au dixième de Newton, avec un bruit de l’ordre du nN pour les cellules les plus précises. Les mouvements piezo sont également pilotables à partir d’un seul logiciel. De façon courante, nous pouvons donc réaliser des essais de compressions sur micro-piliers, de flexion sur micro-poutres (usinés par FIB dans les deux cas) et obtenir des “cartographies mécaniques” à partir de champs de nano-indentation.</li></ul><h6>Essais mécaniques macroscopiques</h6><p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-8783" src="https://www.cemes.fr/wp-content/uploads/2022/12/Image-13.png" alt="" width="200" height="199" srcset="https://www.cemes.fr/wp-content/uploads/2022/12/Image-13.png 200w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-13-100x100.png 100w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-13-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" /></p><ul><li>Une machine de traction Zwick 30 kN utilisée à la température ambiante</li><li>Une machine de fluage haute température (jusqu’à 800° C)</li></ul></div> </div> <div class="elementor-toggle-item"> <div id="elementor-tab-title-4902" class="elementor-tab-title" data-tab="2" role="button" aria-controls="elementor-tab-content-4902" aria-expanded="false"> <span class="elementor-toggle-icon elementor-toggle-icon-left" aria-hidden="true"> <span class="elementor-toggle-icon-closed"><svg class="e-font-icon-svg e-fas-chevron-down" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"></path></svg></span> <span class="elementor-toggle-icon-opened"><svg class="elementor-toggle-icon-opened e-font-icon-svg e-fas-chevron-up" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z"></path></svg></span> </span> <a class="elementor-toggle-title" tabindex="0">Cartographies</a> </div> <div id="elementor-tab-content-4902" class="elementor-tab-content elementor-clearfix" data-tab="2" role="region" aria-labelledby="elementor-tab-title-4902"><h6>Cartographies d’orientation</h6><p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-8786" src="https://www.cemes.fr/wp-content/uploads/2022/12/Image-14.png" alt="" width="337" height="202" srcset="https://www.cemes.fr/wp-content/uploads/2022/12/Image-14.png 337w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-14-300x180.png 300w" sizes="(max-width: 337px) 100vw, 337px" /></p><p>Les cartographies d’orientations cristallines sont un élément essentiel de la métallurgie physique, notamment pour comprendre le comportement plastique d’un polycristal. Nous utilisons la microscopie électronique pour les acquérir : l’EBSD (Electron Back Scattered Diffraction) dans un MEB et l’ACOM*-ASTAR de Nanomegas pour les échantillons de MET. Cette dernière technique permet l’indexation de grains aussi petits que la taille de la sonde utilisée, soit quelques nm dans un MET-FEG.</p><p><em>*Automated Crystalline Orientation Mapping</em></p><h6> </h6><h6>Cartographie chimique</h6><p> </p><p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-8787" src="https://www.cemes.fr/wp-content/uploads/2022/12/Image-15.jpg" alt="" width="1249" height="410" srcset="https://www.cemes.fr/wp-content/uploads/2022/12/Image-15.jpg 1249w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-15-600x197.jpg 600w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-15-1024x336.jpg 1024w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-15-768x252.jpg 768w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-15-300x98.jpg 300w" sizes="(max-width: 1249px) 100vw, 1249px" /></p><p>Les cartographies chimiques menées dans nos études sur les superalliages à base de nickel permettent de corréler les mécanismes de déformation et la « chimie locale » des alliages. Les techniques d’analyse chimique par MET (spectroscopies EDX et EELS) sont utilisées pour obtenir des cartographies chimiques à l’échelle nanométrique.</p><p>Dans le cas d’essais mécaniques en condition proche des conditions réelles d’utilisation au cours desquelles les alliages subissent des traitements thermiques parfois complexes, il est important d’analyser les éventuelles évolutions de composition chimique locale. L ’objectif scientifique est alors d’identifier et de quantifier si une évolution de la chimie locale a des répercussions sur le comportement macroscopique des alliages étudiés.</p><p>Image :<em> Image MET d’un superalliage base Nickel et cartographie MET-EDX . C. Marcelot.</em></p></div> </div> <div class="elementor-toggle-item"> <div id="elementor-tab-title-4903" class="elementor-tab-title" data-tab="3" role="button" aria-controls="elementor-tab-content-4903" aria-expanded="false"> <span class="elementor-toggle-icon elementor-toggle-icon-left" aria-hidden="true"> <span class="elementor-toggle-icon-closed"><svg class="e-font-icon-svg e-fas-chevron-down" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"></path></svg></span> <span class="elementor-toggle-icon-opened"><svg class="elementor-toggle-icon-opened e-font-icon-svg e-fas-chevron-up" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z"></path></svg></span> </span> <a class="elementor-toggle-title" tabindex="0">Méthodes numériques</a> </div> <div id="elementor-tab-content-4903" class="elementor-tab-content elementor-clearfix" data-tab="3" role="region" aria-labelledby="elementor-tab-title-4903"><h6>Machine Learning</h6><p><strong> </strong></p><p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-8788" src="https://www.cemes.fr/wp-content/uploads/2022/12/Image-16.png" alt="" width="322" height="251" srcset="https://www.cemes.fr/wp-content/uploads/2022/12/Image-16.png 322w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-16-300x234.png 300w" sizes="(max-width: 322px) 100vw, 322px" /></p><p>L’étude de la dynamique des dislocations in-situ en MET génère une grande quantité de séquences d’images. Pour le moment seule l’expérience humaine nous permet d’isoler visuellement le mouvement de ces défauts qui apparaissent avec des contrastes variés. L’analyse quantitative manuelle que nous faisons à partir de ces images est très consommatrice de temps et entraîne potentiellement des biais statistiques en échantillonnant une partie des données et en moyennant les quantités. Nous travaillons actuellement sur une approche combinant méthodes d’apprentissage machine et vision par ordinateur afin de dériver les paramètres caractéristiques des dislocations (courbures locales, distributions des épinglages, croissance…) au cours de leur dynamique. Les données obtenues devraient permettre un dialogue plus étroit avec les simulations numériques en particulier à l’échelle mésoscopique.</p><p>Projet labex NanoX Distrack</p><p> </p><h6>DIC</h6><p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-8789" src="https://www.cemes.fr/wp-content/uploads/2022/12/Image-17.png" alt="" width="329" height="310" srcset="https://www.cemes.fr/wp-content/uploads/2022/12/Image-17.png 329w, https://www.cemes.fr/wp-content/uploads/2022/12/Image-17-300x283.png 300w" sizes="(max-width: 329px) 100vw, 329px" /></p><p>Les mesures de déformations locales peuvent être faites de façon exacte en comptant les dislocations mobiles qui traversent une zone donnée. Ce qui est possible en MET in situ. Cependant, lorsque ceci est impossible (microscopie électronique à balayage, mouvements de joints de grain, …) on peut estimer ces déformations locales par corrélation d’images digitales (DIC-Digital Image Correlation) sur des séquences dynamiques. Pour cela, nous utilisons un code en accès libre : OpenCV, que nous essayons de coupler à d’autres techniques comme les cartographies d’orientation (ACOM-ASTAR, EBSD) ou obtenues par d’autres microscopies (AFM par exemple).</p></div> </div> </div> </div> </div> <div class="elementor-element elementor-element-569325f elementor-widget elementor-widget-text-editor" data-id="569325f" data-element_type="widget" data-widget_type="text-editor.default"> <div class="elementor-widget-container"> <h5><span style="color: #da6034;">5. Vidéos</span></h5><p>Retrouver sur notre chaîne Youtube quelques exemples de nos vidéos in-situ.</p> </div> </div> <div class="elementor-element elementor-element-4767202 elementor-widget elementor-widget-html" data-id="4767202" data-element_type="widget" data-widget_type="html.default"> <div class="elementor-widget-container"> <iframe width="560" height="315" src="https://www.youtube.com/embed/videoseries?si=qhHJlYPln51W1ho_&list=PLi7z55Rc-a_H9Vw8gSqrmmOIAjOoGKKQ4" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe> </div> </div> </div> </div> </div> </section> <section class="elementor-section elementor-top-section elementor-element elementor-element-c6177be elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="c6177be" data-element_type="section" id="membres" data-settings="{"background_background":"classic"}"> <div class="elementor-container elementor-column-gap-default"> <div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e11c0a2" data-id="e11c0a2" data-element_type="column"> <div class="elementor-widget-wrap elementor-element-populated"> <div class="elementor-element elementor-element-9fafe99 elementor-widget elementor-widget-heading" data-id="9fafe99" data-element_type="widget" data-widget_type="heading.default"> <div class="elementor-widget-container"> <h2 class="elementor-heading-title elementor-size-default">LES MEMBRES</h2> </div> </div> <div class="elementor-element elementor-element-7b029d3 elementor-grid-5 elementor-posts--align-center elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-posts--thumbnail-top elementor-card-shadow-yes elementor-posts__hover-gradient elementor-widget elementor-widget-posts" data-id="7b029d3" data-element_type="widget" data-settings="{"cards_columns":"5","cards_row_gap":{"unit":"px","size":10,"sizes":[]},"cards_columns_tablet":"2","cards_columns_mobile":"1","cards_row_gap_tablet":{"unit":"px","size":"","sizes":[]},"cards_row_gap_mobile":{"unit":"px","size":"","sizes":[]}}" data-widget_type="posts.cards"> <div class="elementor-widget-container"> <div class="elementor-posts-container elementor-posts elementor-posts--skin-cards elementor-grid"> <article class="elementor-post elementor-grid-item post-9540 post type-post status-publish format-standard has-post-thumbnail hentry category-membres-ppm-fr category-membres-groupes-et-plateformes"> <div class="elementor-post__card"> <a class="elementor-post__thumbnail__link" href="https://www.cemes.fr/2023/12/01/daniel-caillard/" tabindex="-1" ><div class="elementor-post__thumbnail"><img loading="lazy" decoding="async" width="1940" height="1940" src="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png" class="attachment-full size-full wp-image-12185" alt="" srcset="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png 1940w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-600x600.png 600w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1024x1024.png 1024w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-150x150.png 150w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-768x768.png 768w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1536x1536.png 1536w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-300x300.png 300w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-100x100.png 100w" sizes="(max-width: 1940px) 100vw, 1940px" /></div></a> <div class="elementor-post__text"> <h3 class="elementor-post__title"> <a href="https://www.cemes.fr/2023/12/01/daniel-caillard/" > Daniel Caillard </a> </h3> <div class="elementor-post__excerpt"> <p>Chercheur CNRS (DR émérite)</p> </div> <div class="elementor-post__read-more-wrapper"> <a class="elementor-post__read-more" href="https://www.cemes.fr/2023/12/01/daniel-caillard/" aria-label="En savoir plus sur Daniel Caillard" tabindex="-1" > Publications </a> </div> </div> </div> </article> <article class="elementor-post elementor-grid-item post-9542 post type-post status-publish format-standard has-post-thumbnail hentry category-membres-ppm-fr category-membres-groupes-et-plateformes"> <div class="elementor-post__card"> <a class="elementor-post__thumbnail__link" href="https://www.cemes.fr/2023/11/02/alain-couret/" tabindex="-1" ><div class="elementor-post__thumbnail"><img loading="lazy" decoding="async" width="1940" height="1940" src="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png" class="attachment-full size-full wp-image-12185" alt="" srcset="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png 1940w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-600x600.png 600w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1024x1024.png 1024w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-150x150.png 150w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-768x768.png 768w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1536x1536.png 1536w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-300x300.png 300w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-100x100.png 100w" sizes="(max-width: 1940px) 100vw, 1940px" /></div></a> <div class="elementor-post__text"> <h3 class="elementor-post__title"> <a href="https://www.cemes.fr/2023/11/02/alain-couret/" > Alain Couret </a> </h3> <div class="elementor-post__excerpt"> <p>Chercheur CNRS (DR)</p> </div> <div class="elementor-post__read-more-wrapper"> <a class="elementor-post__read-more" href="https://www.cemes.fr/2023/11/02/alain-couret/" aria-label="En savoir plus sur Alain Couret" tabindex="-1" > Publications </a> </div> </div> </div> </article> <article class="elementor-post elementor-grid-item post-9544 post type-post status-publish format-standard has-post-thumbnail hentry category-membres-ppm-fr category-membres-groupes-et-plateformes"> <div class="elementor-post__card"> <a class="elementor-post__thumbnail__link" href="https://www.cemes.fr/2023/10/30/joel-douin/" tabindex="-1" ><div class="elementor-post__thumbnail"><img loading="lazy" decoding="async" width="252" height="252" src="https://www.cemes.fr/wp-content/uploads/2023/10/ID-JD-2.jpg" class="attachment-full size-full wp-image-20197" alt="" srcset="https://www.cemes.fr/wp-content/uploads/2023/10/ID-JD-2.jpg 252w, https://www.cemes.fr/wp-content/uploads/2023/10/ID-JD-2-150x150.jpg 150w, https://www.cemes.fr/wp-content/uploads/2023/10/ID-JD-2-100x100.jpg 100w" sizes="(max-width: 252px) 100vw, 252px" /></div></a> <div class="elementor-post__text"> <h3 class="elementor-post__title"> <a href="https://www.cemes.fr/2023/10/30/joel-douin/" > Joël Douin </a> </h3> <div class="elementor-post__excerpt"> <p>Chercheur CNRS (DR)</p> </div> <div class="elementor-post__read-more-wrapper"> <a class="elementor-post__read-more" href="https://www.cemes.fr/2023/10/30/joel-douin/" aria-label="En savoir plus sur Joël Douin" tabindex="-1" > Publications </a> </div> </div> </div> </article> <article class="elementor-post elementor-grid-item post-17769 post type-post status-publish format-standard has-post-thumbnail hentry category-membres-ppm-fr category-membres-groupes-et-plateformes"> <div class="elementor-post__card"> <a class="elementor-post__thumbnail__link" href="https://www.cemes.fr/2023/10/15/lise-durand/" tabindex="-1" ><div class="elementor-post__thumbnail"><img loading="lazy" decoding="async" width="1940" height="1940" src="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png" class="attachment-full size-full wp-image-12185" alt="" srcset="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png 1940w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-600x600.png 600w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1024x1024.png 1024w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-150x150.png 150w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-768x768.png 768w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1536x1536.png 1536w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-300x300.png 300w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-100x100.png 100w" sizes="(max-width: 1940px) 100vw, 1940px" /></div></a> <div class="elementor-post__text"> <h3 class="elementor-post__title"> <a href="https://www.cemes.fr/2023/10/15/lise-durand/" > Lise Durand </a> </h3> <div class="elementor-post__excerpt"> <p>Enseignante chercheuse UT3 (MCF Emérite)</p> </div> <div class="elementor-post__read-more-wrapper"> <a class="elementor-post__read-more" href="https://www.cemes.fr/2023/10/15/lise-durand/" aria-label="En savoir plus sur Lise Durand" tabindex="-1" > Publications </a> </div> </div> </div> </article> <article class="elementor-post elementor-grid-item post-9546 post type-post status-publish format-standard has-post-thumbnail hentry category-membres-ppm-fr category-membres-groupes-et-plateformes"> <div class="elementor-post__card"> <a class="elementor-post__thumbnail__link" href="https://www.cemes.fr/2023/09/07/muriel-hantcherli/" tabindex="-1" ><div class="elementor-post__thumbnail"><img loading="lazy" decoding="async" width="1940" height="1940" src="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png" class="attachment-full size-full wp-image-12185" alt="" srcset="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png 1940w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-600x600.png 600w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1024x1024.png 1024w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-150x150.png 150w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-768x768.png 768w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1536x1536.png 1536w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-300x300.png 300w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-100x100.png 100w" sizes="(max-width: 1940px) 100vw, 1940px" /></div></a> <div class="elementor-post__text"> <h3 class="elementor-post__title"> <a href="https://www.cemes.fr/2023/09/07/muriel-hantcherli/" > Muriel Hantcherli </a> </h3> <div class="elementor-post__excerpt"> <p>Enseignante chercheuse INSA (MCF)</p> </div> <div class="elementor-post__read-more-wrapper"> <a class="elementor-post__read-more" href="https://www.cemes.fr/2023/09/07/muriel-hantcherli/" aria-label="En savoir plus sur Muriel Hantcherli" tabindex="-1" > Publications </a> </div> </div> </div> </article> <article class="elementor-post elementor-grid-item post-9548 post type-post status-publish format-standard has-post-thumbnail hentry category-membres-ppm-fr category-membres-groupes-et-plateformes"> <div class="elementor-post__card"> <a class="elementor-post__thumbnail__link" href="https://www.cemes.fr/2023/08/08/veronique-langlais/" tabindex="-1" ><div class="elementor-post__thumbnail"><img loading="lazy" decoding="async" width="1940" height="1940" src="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png" class="attachment-full size-full wp-image-12185" alt="" srcset="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png 1940w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-600x600.png 600w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1024x1024.png 1024w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-150x150.png 150w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-768x768.png 768w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1536x1536.png 1536w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-300x300.png 300w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-100x100.png 100w" sizes="(max-width: 1940px) 100vw, 1940px" /></div></a> <div class="elementor-post__text"> <h3 class="elementor-post__title"> <a href="https://www.cemes.fr/2023/08/08/veronique-langlais/" > Véronique Langlais </a> </h3> <div class="elementor-post__excerpt"> <p>Chercheuse CNRS (CR)</p> </div> <div class="elementor-post__read-more-wrapper"> <a class="elementor-post__read-more" href="https://www.cemes.fr/2023/08/08/veronique-langlais/" aria-label="En savoir plus sur Véronique Langlais" tabindex="-1" > Publications </a> </div> </div> </div> </article> <article class="elementor-post elementor-grid-item post-17262 post type-post status-publish format-standard has-post-thumbnail hentry category-membres-ppm-fr category-membres-groupes-et-plateformes"> <div class="elementor-post__card"> <a class="elementor-post__thumbnail__link" href="https://www.cemes.fr/2023/07/01/marc-legros/" tabindex="-1" ><div class="elementor-post__thumbnail"><img loading="lazy" decoding="async" width="1940" height="1940" src="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png" class="attachment-full size-full wp-image-12185" alt="" srcset="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png 1940w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-600x600.png 600w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1024x1024.png 1024w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-150x150.png 150w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-768x768.png 768w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1536x1536.png 1536w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-300x300.png 300w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-100x100.png 100w" sizes="(max-width: 1940px) 100vw, 1940px" /></div></a> <div class="elementor-post__text"> <h3 class="elementor-post__title"> <a href="https://www.cemes.fr/2023/07/01/marc-legros/" > Marc Legros </a> </h3> <div class="elementor-post__excerpt"> <p>Chercheur CNRS (DR)</p> </div> <div class="elementor-post__read-more-wrapper"> <a class="elementor-post__read-more" href="https://www.cemes.fr/2023/07/01/marc-legros/" aria-label="En savoir plus sur Marc Legros" tabindex="-1" > Publications </a> </div> </div> </div> </article> <article class="elementor-post elementor-grid-item post-9550 post type-post status-publish format-standard has-post-thumbnail hentry category-membres-ppm-fr category-membres-groupes-et-plateformes"> <div class="elementor-post__card"> <a class="elementor-post__thumbnail__link" href="https://www.cemes.fr/2023/06/15/guy-molenat/" tabindex="-1" ><div class="elementor-post__thumbnail"><img loading="lazy" decoding="async" width="857" height="857" src="https://www.cemes.fr/wp-content/uploads/2023/01/photo-Guy.jpg" class="attachment-full size-full wp-image-17801" alt="" srcset="https://www.cemes.fr/wp-content/uploads/2023/01/photo-Guy.jpg 857w, https://www.cemes.fr/wp-content/uploads/2023/01/photo-Guy-600x600.jpg 600w, https://www.cemes.fr/wp-content/uploads/2023/01/photo-Guy-150x150.jpg 150w, https://www.cemes.fr/wp-content/uploads/2023/01/photo-Guy-768x768.jpg 768w, https://www.cemes.fr/wp-content/uploads/2023/01/photo-Guy-300x300.jpg 300w, https://www.cemes.fr/wp-content/uploads/2023/01/photo-Guy-100x100.jpg 100w" sizes="(max-width: 857px) 100vw, 857px" /></div></a> <div class="elementor-post__text"> <h3 class="elementor-post__title"> <a href="https://www.cemes.fr/2023/06/15/guy-molenat/" > Guy Molénat </a> </h3> <div class="elementor-post__excerpt"> <p>Enseignant chercheur UT3 (MCF)</p> </div> <div class="elementor-post__read-more-wrapper"> <a class="elementor-post__read-more" href="https://www.cemes.fr/2023/06/15/guy-molenat/" aria-label="En savoir plus sur Guy Molénat" tabindex="-1" > Publications </a> </div> </div> </div> </article> <article class="elementor-post elementor-grid-item post-17808 post type-post status-publish format-standard has-post-thumbnail hentry category-membres-ppm-fr category-membres-groupes-et-plateformes"> <div class="elementor-post__card"> <a class="elementor-post__thumbnail__link" href="https://www.cemes.fr/2023/06/01/frederic-mompiou-5/" tabindex="-1" ><div class="elementor-post__thumbnail"><img loading="lazy" decoding="async" width="376" height="582" src="https://www.cemes.fr/wp-content/uploads/2023/01/fred.png" class="attachment-full size-full wp-image-17786" alt="" /></div></a> <div class="elementor-post__text"> <h3 class="elementor-post__title"> <a href="https://www.cemes.fr/2023/06/01/frederic-mompiou-5/" > Frédéric Mompiou </a> </h3> <div class="elementor-post__excerpt"> <p>Chercheur CNRS (CR)</p> </div> <div class="elementor-post__read-more-wrapper"> <a class="elementor-post__read-more" href="https://www.cemes.fr/2023/06/01/frederic-mompiou-5/" aria-label="En savoir plus sur Frédéric Mompiou" tabindex="-1" > Publications </a> </div> </div> </div> </article> <article class="elementor-post elementor-grid-item post-9556 post type-post status-publish format-standard has-post-thumbnail hentry category-membres-ppm-fr category-membres-groupes-et-plateformes"> <div class="elementor-post__card"> <a class="elementor-post__thumbnail__link" href="https://www.cemes.fr/2023/05/01/jean-philippe-monchoux/" tabindex="-1" ><div class="elementor-post__thumbnail"><img loading="lazy" decoding="async" width="1940" height="1940" src="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png" class="attachment-full size-full wp-image-12185" alt="" srcset="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png 1940w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-600x600.png 600w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1024x1024.png 1024w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-150x150.png 150w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-768x768.png 768w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1536x1536.png 1536w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-300x300.png 300w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-100x100.png 100w" sizes="(max-width: 1940px) 100vw, 1940px" /></div></a> <div class="elementor-post__text"> <h3 class="elementor-post__title"> <a href="https://www.cemes.fr/2023/05/01/jean-philippe-monchoux/" > Jean-Philippe Monchoux </a> </h3> <div class="elementor-post__excerpt"> <p>Chercheur CNRS (CR)</p> </div> <div class="elementor-post__read-more-wrapper"> <a class="elementor-post__read-more" href="https://www.cemes.fr/2023/05/01/jean-philippe-monchoux/" aria-label="En savoir plus sur Jean-Philippe Monchoux" tabindex="-1" > Publications </a> </div> </div> </div> </article> <article class="elementor-post elementor-grid-item post-9554 post type-post status-publish format-standard has-post-thumbnail hentry category-membres-ppm-fr category-membres-groupes-et-plateformes"> <div class="elementor-post__card"> <a class="elementor-post__thumbnail__link" href="https://www.cemes.fr/2023/04/01/florence-pettinari/" tabindex="-1" ><div class="elementor-post__thumbnail"><img loading="lazy" decoding="async" width="1940" height="1940" src="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png" class="attachment-full size-full wp-image-12185" alt="" srcset="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png 1940w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-600x600.png 600w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1024x1024.png 1024w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-150x150.png 150w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-768x768.png 768w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1536x1536.png 1536w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-300x300.png 300w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-100x100.png 100w" sizes="(max-width: 1940px) 100vw, 1940px" /></div></a> <div class="elementor-post__text"> <h3 class="elementor-post__title"> <a href="https://www.cemes.fr/2023/04/01/florence-pettinari/" > Florence Pettinari-Sturmel </a> </h3> <div class="elementor-post__excerpt"> <p>Enseignante chercheuse UT3 (PR)</p> </div> <div class="elementor-post__read-more-wrapper"> <a class="elementor-post__read-more" href="https://www.cemes.fr/2023/04/01/florence-pettinari/" aria-label="En savoir plus sur Florence Pettinari-Sturmel" tabindex="-1" > Publications </a> </div> </div> </div> </article> <article class="elementor-post elementor-grid-item post-9706 post type-post status-publish format-standard has-post-thumbnail hentry category-membres-ppm-fr category-membres-groupes-et-plateformes"> <div class="elementor-post__card"> <a class="elementor-post__thumbnail__link" href="https://www.cemes.fr/2023/02/01/christine-viala-ierf/" tabindex="-1" ><div class="elementor-post__thumbnail"><img loading="lazy" decoding="async" width="1940" height="1940" src="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png" class="attachment-full size-full wp-image-12185" alt="" srcset="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png 1940w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-600x600.png 600w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1024x1024.png 1024w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-150x150.png 150w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-768x768.png 768w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1536x1536.png 1536w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-300x300.png 300w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-100x100.png 100w" sizes="(max-width: 1940px) 100vw, 1940px" /></div></a> <div class="elementor-post__text"> <h3 class="elementor-post__title"> <a href="https://www.cemes.fr/2023/02/01/christine-viala-ierf/" > Christine Viala </a> </h3> <div class="elementor-post__excerpt"> <p>Ingénieure UT3</p> </div> <div class="elementor-post__read-more-wrapper"> <a class="elementor-post__read-more" href="https://www.cemes.fr/2023/02/01/christine-viala-ierf/" aria-label="En savoir plus sur Christine Viala" tabindex="-1" > Publications </a> </div> </div> </div> </article> <article class="elementor-post elementor-grid-item post-19680 post type-post status-publish format-standard has-post-thumbnail hentry category-membres-ppm-fr category-membres-groupes-et-plateformes"> <div class="elementor-post__card"> <a class="elementor-post__thumbnail__link" href="https://www.cemes.fr/2011/06/28/frederic-habiyaremye/" tabindex="-1" ><div class="elementor-post__thumbnail"><img loading="lazy" decoding="async" width="1024" height="1024" src="https://www.cemes.fr/wp-content/uploads/2023/09/Fichier-2-1024x1024-2.png" class="attachment-full size-full wp-image-17004" alt="" srcset="https://www.cemes.fr/wp-content/uploads/2023/09/Fichier-2-1024x1024-2.png 1024w, https://www.cemes.fr/wp-content/uploads/2023/09/Fichier-2-1024x1024-2-600x600.png 600w, https://www.cemes.fr/wp-content/uploads/2023/09/Fichier-2-1024x1024-2-150x150.png 150w, https://www.cemes.fr/wp-content/uploads/2023/09/Fichier-2-1024x1024-2-768x768.png 768w, https://www.cemes.fr/wp-content/uploads/2023/09/Fichier-2-1024x1024-2-300x300.png 300w, https://www.cemes.fr/wp-content/uploads/2023/09/Fichier-2-1024x1024-2-100x100.png 100w" sizes="(max-width: 1024px) 100vw, 1024px" /></div></a> <div class="elementor-post__text"> <h3 class="elementor-post__title"> <a href="https://www.cemes.fr/2011/06/28/frederic-habiyaremye/" > Frédéric Habiyaremye </a> </h3> <div class="elementor-post__excerpt"> <p>Post-doctorant</p> </div> <div class="elementor-post__read-more-wrapper"> <a class="elementor-post__read-more" href="https://www.cemes.fr/2011/06/28/frederic-habiyaremye/" aria-label="En savoir plus sur Frédéric Habiyaremye" tabindex="-1" > Publications </a> </div> </div> </div> </article> <article class="elementor-post elementor-grid-item post-9574 post type-post status-publish format-standard has-post-thumbnail hentry category-membres-ppm-fr category-membres-groupes-et-plateformes"> <div class="elementor-post__card"> <a class="elementor-post__thumbnail__link" href="https://www.cemes.fr/2011/01/20/liz-karanja/" tabindex="-1" ><div class="elementor-post__thumbnail"><img loading="lazy" decoding="async" width="1940" height="1940" src="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png" class="attachment-full size-full wp-image-12185" alt="" srcset="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png 1940w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-600x600.png 600w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1024x1024.png 1024w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-150x150.png 150w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-768x768.png 768w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1536x1536.png 1536w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-300x300.png 300w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-100x100.png 100w" sizes="(max-width: 1940px) 100vw, 1940px" /></div></a> <div class="elementor-post__text"> <h3 class="elementor-post__title"> <a href="https://www.cemes.fr/2011/01/20/liz-karanja/" > Liz Karanja </a> </h3> <div class="elementor-post__excerpt"> <p>Doctorante</p> </div> <div class="elementor-post__read-more-wrapper"> <a class="elementor-post__read-more" href="https://www.cemes.fr/2011/01/20/liz-karanja/" aria-label="En savoir plus sur Liz Karanja" tabindex="-1" > Publications </a> </div> </div> </div> </article> <article class="elementor-post elementor-grid-item post-9572 post type-post status-publish format-standard has-post-thumbnail hentry category-membres-ppm-fr category-membres-groupes-et-plateformes"> <div class="elementor-post__card"> <a class="elementor-post__thumbnail__link" href="https://www.cemes.fr/2010/01/17/malo-jullien/" tabindex="-1" ><div class="elementor-post__thumbnail"><img loading="lazy" decoding="async" width="1940" height="1940" src="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png" class="attachment-full size-full wp-image-12185" alt="" srcset="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png 1940w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-600x600.png 600w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1024x1024.png 1024w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-150x150.png 150w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-768x768.png 768w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1536x1536.png 1536w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-300x300.png 300w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-100x100.png 100w" sizes="(max-width: 1940px) 100vw, 1940px" /></div></a> <div class="elementor-post__text"> <h3 class="elementor-post__title"> <a href="https://www.cemes.fr/2010/01/17/malo-jullien/" > Malo Jullien </a> </h3> <div class="elementor-post__excerpt"> <p>Doctorant</p> </div> <div class="elementor-post__read-more-wrapper"> <a class="elementor-post__read-more" href="https://www.cemes.fr/2010/01/17/malo-jullien/" aria-label="En savoir plus sur Malo Jullien" tabindex="-1" > Publications </a> </div> </div> </div> </article> <article class="elementor-post elementor-grid-item post-20721 post type-post status-publish format-standard has-post-thumbnail hentry category-membres-ppm-fr category-membres-groupes-et-plateformes"> <div class="elementor-post__card"> <a class="elementor-post__thumbnail__link" href="https://www.cemes.fr/2010/01/16/elise-labruyere-3/" tabindex="-1" ><div class="elementor-post__thumbnail"><img loading="lazy" decoding="async" width="1940" height="1940" src="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png" class="attachment-full size-full wp-image-12185" alt="" srcset="https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2.png 1940w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-600x600.png 600w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1024x1024.png 1024w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-150x150.png 150w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-768x768.png 768w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-1536x1536.png 1536w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-300x300.png 300w, https://www.cemes.fr/wp-content/uploads/2023/01/Fichier-2-100x100.png 100w" sizes="(max-width: 1940px) 100vw, 1940px" /></div></a> <div class="elementor-post__text"> <h3 class="elementor-post__title"> <a href="https://www.cemes.fr/2010/01/16/elise-labruyere-3/" > Elise Labruyère </a> </h3> <div class="elementor-post__excerpt"> <p>Doctorant</p> </div> <div class="elementor-post__read-more-wrapper"> <a class="elementor-post__read-more" href="https://www.cemes.fr/2010/01/16/elise-labruyere-3/" aria-label="En savoir plus sur Elise Labruyère" tabindex="-1" > Publications </a> </div> </div> </div> </article> </div> </div> </div> </div> </div> </div> </section> <section class="elementor-section elementor-top-section elementor-element elementor-element-fe8a98a elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="fe8a98a" data-element_type="section" id="projets"> <div class="elementor-container elementor-column-gap-default"> <div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7547eb6" data-id="7547eb6" data-element_type="column"> <div class="elementor-widget-wrap elementor-element-populated"> <div class="elementor-element elementor-element-2d45d33 elementor-widget elementor-widget-heading" data-id="2d45d33" data-element_type="widget" data-widget_type="heading.default"> <div class="elementor-widget-container"> <h2 class="elementor-heading-title elementor-size-default">PROJETS EN COURS</h2> </div> </div> <div class="elementor-element elementor-element-b3bfa95 elementor-widget elementor-widget-text-editor" data-id="b3bfa95" data-element_type="widget" data-widget_type="text-editor.default"> <div class="elementor-widget-container"> <ul><li>ANR<ul><li>Influence des éléments d’alliage substitutionels sur les mécanismes de déformation des alliages de titane et de zirconium beta – ISANAMI. Coll: ISCR, Rennes (porteur), IRCP, Paris, 2021-2025.</li><li>Development of New Advanced Refractory Concentrated Complex Alloys with Eutectic Carbide/BCC Microstructures (Doremi). Coll: ICMPE, Thiais (porteur), IRCP, Paris, LSPM, Villetaneuse, 2024-2028.</li></ul></li><li>Labex NanoX<ul><li>Dislocation tracking in TEM by computer vision and deep learning (Distrack), 2022-2025.</li></ul></li><li>…</li></ul> </div> </div> </div> </div> </div> </section> <section class="elementor-section elementor-top-section elementor-element elementor-element-52497bb elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="52497bb" data-element_type="section" id="publications" data-settings="{"background_background":"classic"}"> <div class="elementor-container elementor-column-gap-default"> <div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-deaeb98" data-id="deaeb98" data-element_type="column"> <div class="elementor-widget-wrap elementor-element-populated"> <div class="elementor-element elementor-element-9959feb elementor-widget elementor-widget-heading" data-id="9959feb" data-element_type="widget" data-widget_type="heading.default"> <div class="elementor-widget-container"> <h2 class="elementor-heading-title elementor-size-default">PUBLICATIONS</h2> </div> </div> <div class="elementor-element elementor-element-6a4967a elementor-widget elementor-widget-toggle" data-id="6a4967a" data-element_type="widget" data-widget_type="toggle.default"> <div class="elementor-widget-container"> <div class="elementor-toggle"> <div class="elementor-toggle-item"> <div id="elementor-tab-title-1111" class="elementor-tab-title" data-tab="1" role="button" aria-controls="elementor-tab-content-1111" aria-expanded="false"> <span class="elementor-toggle-icon elementor-toggle-icon-left" aria-hidden="true"> <span class="elementor-toggle-icon-closed"><svg class="e-font-icon-svg e-fas-chevron-down" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"></path></svg></span> <span class="elementor-toggle-icon-opened"><svg class="elementor-toggle-icon-opened e-font-icon-svg e-fas-chevron-up" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z"></path></svg></span> </span> <a class="elementor-toggle-title" tabindex="0">Voir les publications du groupe PPM</a> </div> <div id="elementor-tab-content-1111" class="elementor-tab-content elementor-clearfix" data-tab="1" role="region" aria-labelledby="elementor-tab-title-1111"><p>Ensemble des publications du groupe <a href="https://hal.science/CEMES/search/index/?q=PPM" target="_blank" rel="noopener">PPM via Hal</a>.</p></div> </div> </div> </div> </div> <div class="elementor-element elementor-element-bbbd4c8 elementor-widget elementor-widget-html" data-id="bbbd4c8" data-element_type="widget" data-widget_type="html.default"> <div class="elementor-widget-container"> <script> window.addEventListener("DOMContentLoaded", () => { let elementorTabTitle = Array.from(document.getElementsByClassName("elementor-tab-title")); let elementorTabContent = Array.from(document.getElementsByClassName("elementor-tab-content")); function closeToggle(e, clicked) { e.forEach(elementb => { if (elementb.classList.contains("elementor-active") && elementb != clicked) { elementb.setAttribute("aria-expanded", "false"); elementb.classList.remove("elementor-active"); elementb.setAttribute("tabindex", "-1"); elementb.setAttribute("aria-selected", "false"); elementorTabContent.forEach(element => { element.style.display = "none"; }); } }); clicked.scrollIntoView({ behavior: 'smooth', block: 'start', inline: 'nearest' }); } elementorTabTitle.forEach(element => { element.addEventListener("click", (e) => { const clickedElement = e.target; closeToggle(elementorTabTitle, clickedElement); }); }); }); </script> </div> </div> </div> </div> </div> </section> <section class="elementor-section elementor-top-section elementor-element elementor-element-c7beb8c elementor-hidden-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="c7beb8c" data-element_type="section" id="menu_groupe"> <div class="elementor-container elementor-column-gap-default"> <div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-379fc98" data-id="379fc98" data-element_type="column"> <div class="elementor-widget-wrap elementor-element-populated"> <div class="elementor-element elementor-element-827cc8a elementor-align-left elementor-widget elementor-widget-button" data-id="827cc8a" data-element_type="widget" data-widget_type="button.default"> <div class="elementor-widget-container"> <div class="elementor-button-wrapper"> <a class="elementor-button elementor-button-link elementor-size-sm" href="#presentation"> <span class="elementor-button-content-wrapper"> <span class="elementor-button-text">Présentation</span> </span> </a> </div> </div> </div> <div class="elementor-element elementor-element-2196f27 elementor-align-left elementor-widget elementor-widget-button" data-id="2196f27" data-element_type="widget" data-widget_type="button.default"> <div class="elementor-widget-container"> <div class="elementor-button-wrapper"> <a class="elementor-button elementor-button-link elementor-size-sm" href="#thematique"> <span class="elementor-button-content-wrapper"> <span class="elementor-button-text">Thématique</span> </span> </a> </div> </div> </div> <div class="elementor-element elementor-element-0207a6d elementor-align-left elementor-widget elementor-widget-button" data-id="0207a6d" data-element_type="widget" data-widget_type="button.default"> <div class="elementor-widget-container"> <div class="elementor-button-wrapper"> <a class="elementor-button elementor-button-link elementor-size-sm" href="#membres"> <span class="elementor-button-content-wrapper"> <span class="elementor-button-text">Les membres</span> </span> </a> </div> </div> </div> <div class="elementor-element elementor-element-bd55585 elementor-align-left elementor-widget elementor-widget-button" data-id="bd55585" data-element_type="widget" data-widget_type="button.default"> <div class="elementor-widget-container"> <div class="elementor-button-wrapper"> <a class="elementor-button elementor-button-link elementor-size-sm" href="#projets"> <span class="elementor-button-content-wrapper"> <span class="elementor-button-text">Projets en cours</span> </span> </a> </div> </div> </div> <div class="elementor-element elementor-element-47eef6b elementor-align-left elementor-widget elementor-widget-button" data-id="47eef6b" data-element_type="widget" data-widget_type="button.default"> <div class="elementor-widget-container"> <div class="elementor-button-wrapper"> <a class="elementor-button elementor-button-link elementor-size-sm" href="#publications"> <span class="elementor-button-content-wrapper"> <span class="elementor-button-text">Publications</span> </span> </a> </div> </div> </div> <div class="elementor-element elementor-element-9f0e20e elementor-widget elementor-widget-html" data-id="9f0e20e" data-element_type="widget" data-widget_type="html.default"> <div class="elementor-widget-container"> <script> window.addEventListener("scroll", function () { if (window.scrollY > 150) { document.getElementById('menu_groupe').style.top = "30%"; 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Chimie et société</a></li> </ul> </li> </ul> </nav> <nav class="elementor-nav-menu--dropdown elementor-nav-menu__container" aria-hidden="true"> <ul id="menu-2-ce3d9c1" class="elementor-nav-menu sm-vertical" itemscope itemtype="http://www.schema.org/SiteNavigationElement"><li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-7296"><a class="elementor-item" tabindex="-1">LE CEMES</a> <ul class="sub-menu elementor-nav-menu--dropdown"> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-6711"><a href="https://www.cemes.fr/presentation/" class="elementor-sub-item" tabindex="-1">Présentation</a></li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-8533"><a href="https://www.cemes.fr/organisation/" class="elementor-sub-item" tabindex="-1">Organisation</a></li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-7749"><a href="https://www.cemes.fr/la-boule/" 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menu-item-type-post_type menu-item-object-page menu-item-11907"><a href="https://www.cemes.fr/i/" class="elementor-sub-item" tabindex="-1">Plateforme Ingiénerie</a></li> </ul> </li> </ul> </li> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-7880"><a class="elementor-item" tabindex="-1">LES MOYENS</a> <ul class="sub-menu elementor-nav-menu--dropdown"> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-8548"><a href="https://www.cemes.fr/plateformes/" class="elementor-sub-item" tabindex="-1">Les plateformes</a></li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-11905"><a href="https://www.cemes.fr/atp/" class="elementor-sub-item" tabindex="-1">Atom-Tech & Procédés</a></li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-11909"><a href="https://www.cemes.fr/mc/" class="elementor-sub-item" tabindex="-1">Moyens Communs</a></li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-11911"><a href="https://www.cemes.fr/sp/" class="elementor-sub-item" tabindex="-1">Structures et Propriétés</a></li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-11906"><a href="https://www.cemes.fr/i/" class="elementor-sub-item" tabindex="-1">Plateforme Ingiénerie</a></li> </ul> </li> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-7877"><a class="elementor-item" tabindex="-1">PORTAIL ÉTUDIANT</a> <ul class="sub-menu elementor-nav-menu--dropdown"> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-10844"><a href="https://www.cemes.fr/masters-et-ecole-doctorale/" class="elementor-sub-item" tabindex="-1">Masters et École doctorale</a></li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-10775"><a href="https://www.cemes.fr/stages/" class="elementor-sub-item" tabindex="-1">Mon stage au CEMES</a></li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-12733"><a href="https://www.cemes.fr/lassociation-des-doctorants/" class="elementor-sub-item" tabindex="-1">L’association des doctorants</a></li> </ul> </li> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-7881"><a class="elementor-item" tabindex="-1">NOUS REJOINDRE</a> <ul class="sub-menu elementor-nav-menu--dropdown"> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-7719"><a href="https://www.cemes.fr/stages/" class="elementor-sub-item" tabindex="-1">Offres de stages</a></li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-10764"><a href="https://www.cemes.fr/offres-de-theses/" class="elementor-sub-item" tabindex="-1">Offres de thèses</a></li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-10765"><a href="https://www.cemes.fr/offres-de-post-docs/" class="elementor-sub-item" tabindex="-1">Offres de post-doc</a></li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-10763"><a href="https://www.cemes.fr/offres-de-cdd/" class="elementor-sub-item" tabindex="-1">Offres de CDD</a></li> </ul> </li> <li class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-7876"><a class="elementor-item" tabindex="-1">COMMUNICATION/DIFFUSION</a> <ul class="sub-menu elementor-nav-menu--dropdown"> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-8988"><a href="https://www.cemes.fr/agenda/" class="elementor-sub-item" tabindex="-1">Agenda</a></li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-6712"><a href="https://www.cemes.fr/actualites/" class="elementor-sub-item" tabindex="-1">Actualités</a></li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-9727"><a href="https://www.cemes.fr/faits-scientifiques-marquants/" class="elementor-sub-item" tabindex="-1">Faits scientifiques marquants</a></li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-15856"><a href="https://www.cemes.fr/brochures-annuelles/" class="elementor-sub-item" tabindex="-1">Brochures annuelles</a></li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-9745"><a href="https://www.cemes.fr/portes-ouvertes/" class="elementor-sub-item" tabindex="-1">Portes ouvertes</a></li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-16026"><a href="https://www.cemes.fr/videos/" class="elementor-sub-item" tabindex="-1">Vidéos</a></li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-10474"><a href="https://www.cemes.fr/assoc-chimie-et-societe/" class="elementor-sub-item" tabindex="-1">Assoc. 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elementor-hidden-tablet elementor-hidden-mobile elementor-widget elementor-widget-image" data-id="53de1ed" data-element_type="widget" data-widget_type="image.default"> <div class="elementor-widget-container"> <a href="https://www.cnrs.fr/fr/page-daccueil" target="_blank"> <img width="1536" height="1536" src="https://www.cemes.fr/wp-content/uploads/2022/10/cnrs_bleu-1536x1536.png" class="attachment-1536x1536 size-1536x1536 wp-image-7882" alt="" srcset="https://www.cemes.fr/wp-content/uploads/2022/10/cnrs_bleu-1536x1536.png 1536w, https://www.cemes.fr/wp-content/uploads/2022/10/cnrs_bleu-300x300.png 300w, https://www.cemes.fr/wp-content/uploads/2022/10/cnrs_bleu-100x100.png 100w, https://www.cemes.fr/wp-content/uploads/2022/10/cnrs_bleu-600x600.png 600w, https://www.cemes.fr/wp-content/uploads/2022/10/cnrs_bleu-1024x1024.png 1024w, https://www.cemes.fr/wp-content/uploads/2022/10/cnrs_bleu-150x150.png 150w, https://www.cemes.fr/wp-content/uploads/2022/10/cnrs_bleu-768x768.png 768w, https://www.cemes.fr/wp-content/uploads/2022/10/cnrs_bleu.png 2048w" sizes="(max-width: 1536px) 100vw, 1536px" /> </a> </div> </div> </div> </div> <div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-74a5bbf" data-id="74a5bbf" data-element_type="column"> <div class="elementor-widget-wrap elementor-element-populated"> <div class="elementor-element elementor-element-caad9bf elementor-hidden-mobile elementor-hidden-desktop elementor-hidden-tablet elementor-widget elementor-widget-image" data-id="caad9bf" data-element_type="widget" data-widget_type="image.default"> <div class="elementor-widget-container"> <a href="https://www.cnrs.fr/fr/page-daccueil" target="_blank"> <img width="1536" height="1536" src="https://www.cemes.fr/wp-content/uploads/2022/10/cnrs_bleu-1536x1536.png" class="attachment-1536x1536 size-1536x1536 wp-image-7882" alt="" srcset="https://www.cemes.fr/wp-content/uploads/2022/10/cnrs_bleu-1536x1536.png 1536w, 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