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u-fw700 u-mr5x u-pr5x u-borderColorGrayLight u-borderRight1"><a href="https://ntua.academia.edu/"><span class="u-linkUnstyled u-tcGrayDarkest">National Technical University of Athens</span></a></span><h1 class="u-m0x u-fw300 u-fs24 u-displayInline">Mining and Metallurgical Engineering</h1></div><div class="u-floatRight u-mt1x"></div></div></div></div></div><div class="TabbedNavigation"><div class="container"><div class="row"><div class="col-xs-12 clearfix"><ul class="nav u-m0x u-p0x list-inline"><li class="u-floatLeft u-pr5x u-mr5x u-borderColorGrayLight u-borderRight1"><a href="https://ntua.academia.edu/"><span><i class="fa fa-arrow-left"></i>  All Departments</span></a></li><li class="u-floatLeft active"><a href="https://ntua.academia.edu/Departments/Mining_and_Metallurgical_Engineering/Documents">186 Papers</a></li><li class="u-floatLeft"><a href="https://ntua.academia.edu/Departments/Mining_and_Metallurgical_Engineering">113 Researchers</a></li></ul></div></div></div></div><div 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$(".js-view-count-work_82988255").removeClass('hidden') })</script></div></li></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_82988323" data-work_id="82988323" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/82988323/Corrosion_of_high_purity_magnesia_refractories_from_iron_rich_slags_of_ferronickel_enrichment_in_OBM_converters">Corrosion of high purity magnesia refractories from iron-rich slags of ferronickel enrichment in OBM converters</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The corrosion of high purity MgO refractories from molten iron-rich OBM converter slag has been investigated by performing experiments in an electric laboratory furnace. Corrosion tests were conducted at 1600 - 1650oC for 1, 2 or 4 hours.... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_82988323" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The corrosion of high purity MgO refractories from molten iron-rich OBM converter slag has been investigated by performing experiments in an electric laboratory furnace. Corrosion tests were conducted at 1600 - 1650oC for 1, 2 or 4 hours. Following lab experiments, the mineralogical phases of MgO refractories, slags and the intermediate infiltration zone were identified by SEM/EDS. It has been shown that Fe infiltrates and replaces Mg in MgO refractories, thus forming magnesiowustite ((Mg,Fe)O). The maximum depth of the slag infiltration zone was estimated to 1.31 mm in the laboratory test where slag was in contact with the refractory for 4 h, at 1650⁰ C Thermodynamic modeling of the slag and refractories equilibrium conducted with FactSage 7.0, confirmed the formation of magnesiowustite in the intermediate zone, with progressively higher substitution rate of Mg by Fe. This increasing substitution results in a decrease of the melting point of magnesiowustite, thus causing the collap...</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/82988323" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="adc96251763ba049f2cfbcd0117455ac" rel="nofollow" data-download="{"attachment_id":88500240,"asset_id":82988323,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/88500240/download_file?st=MTczMjc2NTA5Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="158140029" href="https://ntua.academia.edu/ApostolosKourtis">Apostolos Kourtis</a><script data-card-contents-for-user="158140029" type="text/json">{"id":158140029,"first_name":"Apostolos","last_name":"Kourtis","domain_name":"ntua","page_name":"ApostolosKourtis","display_name":"Apostolos Kourtis","profile_url":"https://ntua.academia.edu/ApostolosKourtis","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_82988323 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="82988323"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 82988323, container: ".js-paper-rank-work_82988323", }); 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