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electron imaging (SEI) and energy dispersive X-ray analysis (EDX)</title> <meta name="description" content="Search results for: secondary electron imaging (SEI) and energy dispersive X-ray analysis (EDX)"> <meta name="keywords" content="secondary electron imaging (SEI) and energy dispersive X-ray analysis (EDX)"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img 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<div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 37258</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: secondary electron imaging (SEI) and energy dispersive X-ray analysis (EDX)</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37258</span> Use of Simultaneous Electron Backscatter Diffraction and Energy Dispersive X-Ray Spectroscopy Techniques to Characterize High-Temperature Oxides Formed on Nickel-Based Superalloys Exposed to Super-Critical Water Environment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohsen%20Sanayei">Mohsen Sanayei</a>, <a href="https://publications.waset.org/abstracts/search?q=Jerzy%20Szpunar"> Jerzy Szpunar</a>, <a href="https://publications.waset.org/abstracts/search?q=Sami%20Penttil%C3%A4"> Sami Penttilä</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Exposure of Nickel-based superalloys to high temperature and harsh environment such as Super-Critical Water (SCW) environment leads to the formation of oxide scales composed of multiple and complex phases that are difficult to differentiate with conventional analysis techniques. In this study, we used simultaneous Electron Backscatter Diffraction (EBSD) and Energy Dispersive X-ray Spectroscopy (EDS) to analyze the complex oxide scales formed on several Nickel-based Superalloys exposed to high temperature SCW. Multi-layered structures of Iron, Nickel, Chromium and Molybdenum oxides and spinels were clearly identified using the simultaneous EBSD-EDS analysis technique. Furthermore, the orientation relationship between the oxide scales and the substrate has been investigated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electron%20backscatter%20diffraction" title="electron backscatter diffraction">electron backscatter diffraction</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20dispersive%20x-ray%20spectroscopy" title=" energy dispersive x-ray spectroscopy"> energy dispersive x-ray spectroscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=superalloy" title=" superalloy"> superalloy</a>, <a href="https://publications.waset.org/abstracts/search?q=super-critical%20water" title=" super-critical water"> super-critical water</a> </p> <a href="https://publications.waset.org/abstracts/70076/use-of-simultaneous-electron-backscatter-diffraction-and-energy-dispersive-x-ray-spectroscopy-techniques-to-characterize-high-temperature-oxides-formed-on-nickel-based-superalloys-exposed-to-super-critical-water-environment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/70076.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">316</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37257</span> Basic Evaluation for Polyetherimide Membrane Using Spectroscopy Techniques </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hanan%20Alenezi">Hanan Alenezi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Membrane performance depends on the kind of solvent used in preparation. A membrane made by Polyetherimide (PEI) was evaluated for gas separation using X-Ray Diffraction (XRD), Scanning electron microscope (SEM), and Energy Dispersive X-Ray Spectroscopy (EDS). The purity and the thickness are detected to evaluate the membrane in order to optimize PEI membrane preparation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Energy%20Dispersive%20X-Ray%20Spectroscopy%20%28EDS%29" title="Energy Dispersive X-Ray Spectroscopy (EDS)">Energy Dispersive X-Ray Spectroscopy (EDS)</a>, <a href="https://publications.waset.org/abstracts/search?q=Membrane" title=" Membrane"> Membrane</a>, <a href="https://publications.waset.org/abstracts/search?q=Polyetherimide%20PEI" title=" Polyetherimide PEI"> Polyetherimide PEI</a>, <a href="https://publications.waset.org/abstracts/search?q=Scanning%20electron%20microscope%20%28SEM%29" title=" Scanning electron microscope (SEM)"> Scanning electron microscope (SEM)</a>, <a href="https://publications.waset.org/abstracts/search?q=Solvent" title=" Solvent"> Solvent</a>, <a href="https://publications.waset.org/abstracts/search?q=X-Ray%20Diffraction%20%28XRD%29" title=" X-Ray Diffraction (XRD)"> X-Ray Diffraction (XRD)</a> </p> <a href="https://publications.waset.org/abstracts/120499/basic-evaluation-for-polyetherimide-membrane-using-spectroscopy-techniques" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/120499.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">183</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37256</span> Morphology, Qualitative, and Quantitative Elemental Analysis of Pheasant Eggshells in Thailand</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kalaya%20Sribuddhachart">Kalaya Sribuddhachart</a>, <a href="https://publications.waset.org/abstracts/search?q=Mayuree%20Pumipaiboon"> Mayuree Pumipaiboon</a>, <a href="https://publications.waset.org/abstracts/search?q=Mayuva%20Youngsabanant-Areekijseree"> Mayuva Youngsabanant-Areekijseree</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The ultrastructure of 20 species of pheasant eggshells in Thailand, (Simese Fireback, Lophura diardi), (Silver Pheasant, Lophura nycthemera), (Kalij Pheasant, Lophura leucomelanos crawfurdii), (Kalij Pheasant, Lophura leucomelanos lineata), (Red Junglefowl, Gallus gallus spadiceus), (Crested Fireback, Lophura ignita rufa), (Green Peafowl, Pavo muticus), (Indian Peafowl, Pavo cristatus), (Grey Peacock Pheasant, Polyplectron bicalcaratum bicalcaratum), (Lesser Bornean Fireback, Lophura ignita ignita), (Green Junglefowl, Gallus varius), (Hume's Pheasant, Syrmaticus humiae humiae), (Himalayan Monal, Lophophorus impejanus), Golden Pheasant, Chrysolophus pictus, (Ring-Neck Pheasant, Phasianus sp.), (Reeves’s Pheasant, Syrmaticus reevesi), (Polish Chicken, Gallus sp.), (Brahma Chicken, Gallus sp.), (Yellow Golden Pheasant, Chrysolophus pictus luteus), and (Lady Amhersts Pheasant, Chrysolophus amherstiae) were studied by Secondary electron imaging (SEI) and Energy dispersive X-ray analysis (EDX) detectors of scanning electron microscope. Generally, all pheasant eggshells showed 3 layers of cuticle, palisade, and mammillary. The total thickness was ranging from 190.28±5.94-838.96±16.31µm. The palisade layer is the most thickness layer following by mammillary and cuticle layers. The palisade layer in all pheasant eggshells consisted of numerous vesicle holes that were firmly forming as network thorough the layer. The vesicle holes in all pheasant eggshells had difference porosity ranging from 0.44±0.11-0.23±0.05 µm. While the mammillary layer was the most compact layer with a variable shape (broad-base V and U-shape) connect to shell membrane. Elemental analysis by of 20 specie eggshells showed 9 apparent elements including carbon (C), oxygen (O), calcium (Ca), phosphorous (P), sulfur (S), magnesium (Mg), silicon (Si), aluminum (Al), and copper (Cu) at the percentage of 28.90- 8.33%, 60.64-27.61%, 55.30-14.49%, 1.97-0.03%, 0.08-0.03%, 0.50-0.16%, 0.30-0.04%, 0.06-0.02%, and 2.67-1.73%, respectively. It was found that Ca, C, and O showed highest elemental compositions, which essential for pheasant embryonic development, mainly presented as composited structure of calcium carbonate (CaCO3) more than 97%. Meanwhile, Mg, S, Si, Al, and P were major inorganic constituents of the eggshells which directly related to an increase of the shell hardness. Finally, the percentage of heavy metal copper (Cu) has been observed in 4 eggshell species. There are Golden Pheasant (2.67±0.16%), Indian Peafowl (2.61±0.13%), Green Peafowl (1.97±0.74%), and Silver Pheasant (1.73±0.11%), respectively. A non-significant difference was found in the percentages of 9 elements in all pheasant eggshells. This study is useful to provide the information of biology and taxonomic of pheasant study in Thailand for conservation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pheasants%20eggshells" title="pheasants eggshells">pheasants eggshells</a>, <a href="https://publications.waset.org/abstracts/search?q=secondary%20electron%20imaging%20%28SEI%29%20and%20energy%20dispersive%20X-ray%20analysis%20%28EDX%29" title=" secondary electron imaging (SEI) and energy dispersive X-ray analysis (EDX)"> secondary electron imaging (SEI) and energy dispersive X-ray analysis (EDX)</a>, <a href="https://publications.waset.org/abstracts/search?q=morphology" title=" morphology"> morphology</a>, <a href="https://publications.waset.org/abstracts/search?q=Thailand" title=" Thailand "> Thailand </a> </p> <a href="https://publications.waset.org/abstracts/55846/morphology-qualitative-and-quantitative-elemental-analysis-of-pheasant-eggshells-in-thailand" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/55846.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">235</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37255</span> A Metallography Study of Secondary A226 Aluminium Alloy Used in Automotive Industries </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lenka%20Hurtalov%C3%A1">Lenka Hurtalová</a>, <a href="https://publications.waset.org/abstracts/search?q=Eva%20Tillov%C3%A1"> Eva Tillová</a>, <a href="https://publications.waset.org/abstracts/search?q=M%C3%A1ria%20Chalupov%C3%A1"> Mária Chalupová</a>, <a href="https://publications.waset.org/abstracts/search?q=Juraj%20Belan"> Juraj Belan</a>, <a href="https://publications.waset.org/abstracts/search?q=Milan%20Uhr%C3%AD%C4%8Dik"> Milan Uhríčik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The secondary alloy A226 is used for many automotive casting produced by mould casting and high pressure die-casting. This alloy has excellent castability, good mechanical properties and cost-effectiveness. Production of primary aluminium alloys belong to heavy source fouling of life environs. The European Union calls for the emission reduction and reduction in energy consumption, therefore, increase production of recycled (secondary) aluminium cast alloys. The contribution is deal with influence of recycling on the quality of the casting made from A226 in automotive industry. The properties of the casting made from secondary aluminium alloys were compared with the required properties of primary aluminium alloys. The effect of recycling on microstructure was observed using combination different analytical techniques (light microscopy upon black-white etching, scanning electron microscopy-SEM upon deep etching and energy dispersive X-ray analysis-EDX). These techniques were used for the identification of the various structure parameters, which was used to compare secondary alloy microstructure with primary alloy microstructure. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=A226%20secondary%20aluminium%20alloy" title="A226 secondary aluminium alloy">A226 secondary aluminium alloy</a>, <a href="https://publications.waset.org/abstracts/search?q=deep%20etching" title=" deep etching"> deep etching</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20properties" title=" mechanical properties"> mechanical properties</a>, <a href="https://publications.waset.org/abstracts/search?q=recycling%20foundry%20aluminium%20alloy" title=" recycling foundry aluminium alloy"> recycling foundry aluminium alloy</a> </p> <a href="https://publications.waset.org/abstracts/20090/a-metallography-study-of-secondary-a226-aluminium-alloy-used-in-automotive-industries" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20090.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">541</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37254</span> Defects Analysis, Components Distribution, and Properties Simulation in the Fuel Cells and Batteries by 2D and 3D Characterization Techniques</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amir%20Peyman%20Soleymani">Amir Peyman Soleymani</a>, <a href="https://publications.waset.org/abstracts/search?q=Jasna%20Jankovic"> Jasna Jankovic</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The augmented demand of the clean and renewable energy has necessitated the fuel cell and battery industries to produce more efficient devices at the lower prices, which can be achieved through the improvement of the electrode. Microstructural characterization, as one of the main materials development tools, plays a pivotal role in the production of better clean energy devices. In this study, methods for characterization and studying of the defects and components distribution were performed on the polymer electrolyte membrane fuel cell (PEMFC) and Li-ion battery (LIB) electrodes in 2D and 3D. The particles distribution, porosity, mechanical defects, and component distribution were studied by Scanning Electron Microscope (SEM), SEM-Focused Ion Beam (SEM-FIB), and Scanning Transmission Electron Microscope equipped with Energy Dispersive Spectroscopy (STEM-EDS). The 3D results obtained from X-ray Computed Tomography (XCT) revealed the pathways for electron and ion conductivity and defects progression maps. Computer-aided methods (Avizo) were employed to simulate the properties and performance of the microstructure in the electrodes. The suggestions were provided to improve the performance of PEMFCs and LIBs by adjusting the microstructure and the distribution of the components in the electrodes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=PEM%20fuel%20cells" title="PEM fuel cells">PEM fuel cells</a>, <a href="https://publications.waset.org/abstracts/search?q=Li-ion%20batteries" title=" Li-ion batteries"> Li-ion batteries</a>, <a href="https://publications.waset.org/abstracts/search?q=2D%20and%203D%20imaging" title=" 2D and 3D imaging"> 2D and 3D imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=materials%20characterizations" title=" materials characterizations"> materials characterizations</a> </p> <a href="https://publications.waset.org/abstracts/111206/defects-analysis-components-distribution-and-properties-simulation-in-the-fuel-cells-and-batteries-by-2d-and-3d-characterization-techniques" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/111206.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">154</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37253</span> Comparison of Dose Rate and Energy Dependence of Soft Tissue Equivalence Dosimeter with Electron and Photon Beams Using Magnetic Resonance Imaging</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bakhtiar%20Azadbakht">Bakhtiar Azadbakht</a>, <a href="https://publications.waset.org/abstracts/search?q=Karim%20Adinehvand"> Karim Adinehvand</a>, <a href="https://publications.waset.org/abstracts/search?q=Amin%20Sahebnasagh"> Amin Sahebnasagh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this study was to evaluate dependence of PAGAT polymer gel dosimeter 1/T2 on different electron and photon energies as well as on different mean dose rates for a standard clinically used Co-60 therapy unit and an ELECTA linear accelerator. A multi echo sequence with 32 equidistant echoes was used for the evaluation of irradiated polymer gel dosimeters. The optimal post-manufacture irradiation and post imaging times were both determined to be one day. The sensitivity of PAGAT polymer gel dosimeter with irradiation of photon and electron beams was represented by the slope of calibration curve in the linear region measured for each modality. The response of PAGAT gel with photon and electron beams is very similar in the lower dose region. The R2-dose response was linear up to 30Gy. In electron beams the R2-dose response for doses less than 3Gy is not exact, but in photon beams the R2-dose response for doses less than 2Gy is not exact. Dosimeter energy dependence was studied for electron energies of 4, 12 and 18MeV and photon energies of 1.25, 4, 6 and 18MV. Dose rate dependence was studied in 6MeV electron beam and 6MV photon beam with the use of dose rates 80, 160, 240, 320, 400, and 480cGy/min. Evaluation of dosimeters were performed on Siemens Symphony, Germany 1.5T Scanner in the head coil. In this study no trend in polymer-gel dosimeter 1/T2 dependence was found on mean dose rate and energy for electron and photon beams. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=polymer%20gels" title="polymer gels">polymer gels</a>, <a href="https://publications.waset.org/abstracts/search?q=PAGAT%20gel" title=" PAGAT gel"> PAGAT gel</a>, <a href="https://publications.waset.org/abstracts/search?q=electron%20and%20photon%20beams" title=" electron and photon beams"> electron and photon beams</a>, <a href="https://publications.waset.org/abstracts/search?q=MRI" title=" MRI "> MRI </a> </p> <a href="https://publications.waset.org/abstracts/23115/comparison-of-dose-rate-and-energy-dependence-of-soft-tissue-equivalence-dosimeter-with-electron-and-photon-beams-using-magnetic-resonance-imaging" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23115.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">473</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37252</span> Energy Deposited by Secondary Electrons Generated by Swift Proton Beams through Polymethylmethacrylate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maurizio%20Dapor">Maurizio Dapor</a>, <a href="https://publications.waset.org/abstracts/search?q=Isabel%20Abril"> Isabel Abril</a>, <a href="https://publications.waset.org/abstracts/search?q=Pablo%20de%20Vera"> Pablo de Vera</a>, <a href="https://publications.waset.org/abstracts/search?q=Rafael%20Garcia-Molina"> Rafael Garcia-Molina</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The ionization yield of ion tracks in polymers and bio-molecular systems reaches a maximum, known as the Bragg peak, close to the end of the ion trajectories. Along the path of the ions through the materials, many electrons are generated, which produce a cascade of further ionizations and, consequently, a shower of secondary electrons. Among these, very low energy secondary electrons can produce damage in the biomolecules by dissociative electron attachment. This work deals with the calculation of the energy distribution of electrons produced by protons in a sample of polymethylmethacrylate (PMMA), a material that is used as a phantom for living tissues in hadron therapy. PMMA is also of relevance for microelectronics in CMOS technologies and as a photoresist mask in electron beam lithography. We present a Monte Carlo code that, starting from a realistic description of the energy distribution of the electrons ejected by protons moving through PMMA, simulates the entire cascade of generated secondary electrons. By following in detail the motion of all these electrons, we find the radial distribution of the energy that they deposit in PMMA for several initial proton energies characteristic of the Bragg peak. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Monte%20Carlo%20method" title="Monte Carlo method">Monte Carlo method</a>, <a href="https://publications.waset.org/abstracts/search?q=secondary%20electrons" title=" secondary electrons"> secondary electrons</a>, <a href="https://publications.waset.org/abstracts/search?q=energetic%20ions" title=" energetic ions"> energetic ions</a>, <a href="https://publications.waset.org/abstracts/search?q=ion-beam%20cancer%20therapy" title=" ion-beam cancer therapy"> ion-beam cancer therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=ionization%20cross%20section" title=" ionization cross section"> ionization cross section</a>, <a href="https://publications.waset.org/abstracts/search?q=polymethylmethacrylate" title=" polymethylmethacrylate"> polymethylmethacrylate</a>, <a href="https://publications.waset.org/abstracts/search?q=proton%20beams" title=" proton beams"> proton beams</a>, <a href="https://publications.waset.org/abstracts/search?q=secondary%20electrons" title=" secondary electrons"> secondary electrons</a>, <a href="https://publications.waset.org/abstracts/search?q=radial%20energy%20distribution" title=" radial energy distribution"> radial energy distribution</a> </p> <a href="https://publications.waset.org/abstracts/48476/energy-deposited-by-secondary-electrons-generated-by-swift-proton-beams-through-polymethylmethacrylate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48476.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">286</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37251</span> Imaging of Peritoneal Malignancies - A Pictorial Essay and Proposed Imaging Framework</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=T.%20Hennedige">T. Hennedige</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Imaging plays a crucial role in the evaluation of the extent of peritoneal disease, which in turn determines prognosis and treatment choice. Despite advances in imaging technology, assessment of the peritoneum remains relatively challenging secondary to its large surface area, complex anatomy, and variety of imaging modalities available. This poster will review the mechanisms of spread, namely intraperitoneal dissemination, directly along peritoneal pathways, haematogeneous dissemination, and lymphatic spread. This will be followed by a side-by-side pictorial comparison of the detection of peritoneal deposits using CT, MRI, and PET/CT, depicting the advantages and shortcomings of each modality. An imaging selection framework will then be presented, which may aid the clinician in selecting the appropriate imaging modality for the malignancy in question. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=imaging" title="imaging">imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=CT" title=" CT"> CT</a>, <a href="https://publications.waset.org/abstracts/search?q=malignancy" title=" malignancy"> malignancy</a>, <a href="https://publications.waset.org/abstracts/search?q=MRI" title=" MRI"> MRI</a>, <a href="https://publications.waset.org/abstracts/search?q=peritoneum" title=" peritoneum"> peritoneum</a>, <a href="https://publications.waset.org/abstracts/search?q=PET" title=" PET"> PET</a> </p> <a href="https://publications.waset.org/abstracts/150443/imaging-of-peritoneal-malignancies-a-pictorial-essay-and-proposed-imaging-framework" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/150443.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">147</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37250</span> Study of Electron Cyclotron Resonance Acceleration by Cylindrical TE₀₁₁ Mode</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Oswaldo%20Otero">Oswaldo Otero</a>, <a href="https://publications.waset.org/abstracts/search?q=Eduardo%20A.%20Orozco"> Eduardo A. Orozco</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20M.%20Herrera"> Ana M. Herrera</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, we present results from analytical and numerical studies of the electron acceleration by a TE₀₁₁ cylindrical microwave mode in a static homogeneous magnetic field under electron cyclotron resonance (ECR) condition. The stability of the orbits is analyzed using the particle orbit theory. In order to get a better understanding of the interaction wave-particle, we decompose the azimuthally electric field component as the superposition of right and left-hand circular polarization standing waves. The trajectory, energy and phase-shift of the electron are found through a numerical solution of the relativistic Newton-Lorentz equation in a finite difference method by the Boris method. It is shown that an electron longitudinally injected with an energy of 7 keV in a radial position r=Rc/2, being Rc the cavity radius, is accelerated up to energy of 90 keV by an electric field strength of 14 kV/cm and frequency of 2.45 GHz. This energy can be used to produce X-ray for medical imaging. These results can be used as a starting point for study the acceleration of electrons in a magnetic field changing slowly in time (GYRAC), which has some important applications as the electron cyclotron resonance ion proton accelerator (ECR-IPAC) for cancer therapy and to control plasma bunches with relativistic electrons. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Boris%20method" title="Boris method">Boris method</a>, <a href="https://publications.waset.org/abstracts/search?q=electron%20cyclotron%20resonance" title=" electron cyclotron resonance"> electron cyclotron resonance</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20difference%20method" title=" finite difference method"> finite difference method</a>, <a href="https://publications.waset.org/abstracts/search?q=particle%20orbit%20theory" title=" particle orbit theory"> particle orbit theory</a>, <a href="https://publications.waset.org/abstracts/search?q=X-ray" title=" X-ray"> X-ray</a> </p> <a href="https://publications.waset.org/abstracts/98818/study-of-electron-cyclotron-resonance-acceleration-by-cylindrical-te011-mode" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/98818.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">159</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37249</span> Scanning Electron Microscopy of Cement Clinkers Produced Using Alternative Fuels</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sorour%20Semsari%20Parapari">Sorour Semsari Parapari</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehmet%20Ali%20G%C3%BClg%C3%BCn"> Mehmet Ali Gülgün</a>, <a href="https://publications.waset.org/abstracts/search?q=Melih%20Papila"> Melih Papila</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cement production is one of the most energy-intensive processes consuming a high amount of thermal energy. Nowadays, alternative fuels are being used in cement manufacturing in a large scale as a help to provide the necessary energy. The alternative fuels could consist of any disposal like waste plastics, used tires and biomass. It has been suggested that the clinker properties might be affected by using these fuels because of foreign elements incorporation to the composition. Studying the distribution of clinker phases and their chemical composition is possible with scanning electron microscopy (SEM). In this study, clinker samples were produced using different alternative fuels in cement firing kilns. The microstructural observations by back-scattered electrons (BSE) mode in SEM (JEOL JSM-6010LV) showed that the clinker phase distribution was dissimilar in samples prepared with different alternative fuels. The alite to belite (a/b) phase content of samples was quantified by image analysis. The results showed that the a/b varied between 5.2 and 1.5 among samples as the average value for six clinker nodules. The elemental analysis by energy-dispersive x-ray spectroscopy (EDS) mounted on SEM indicated the variation in chemical composition among samples. Higher amounts of sulfur and alkalis seemed to reduce the alite phase formation in clinkers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=alternative%20fuels" title="alternative fuels">alternative fuels</a>, <a href="https://publications.waset.org/abstracts/search?q=cement%20clinker" title=" cement clinker"> cement clinker</a>, <a href="https://publications.waset.org/abstracts/search?q=microstructure" title=" microstructure"> microstructure</a>, <a href="https://publications.waset.org/abstracts/search?q=SEM" title=" SEM"> SEM</a> </p> <a href="https://publications.waset.org/abstracts/37823/scanning-electron-microscopy-of-cement-clinkers-produced-using-alternative-fuels" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37823.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">365</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37248</span> Regulating Hydrogen Energy Evaluation During Aluminium Hydrolysis in Alkaline Solutions Containing Different Surfactants</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20A.%20Deyab">Mohamed A. Deyab</a>, <a href="https://publications.waset.org/abstracts/search?q=Omnia%20A.%20A.%20El-Shamy"> Omnia A. A. El-Shamy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this study is to reveal on the systematic evaluation of hydrogen production by aluminum hydrolysis in alkaline solutions containing different surfactants using hydrogen evolution measurements and supplemented by scan electron microscope (SEM) and energy dispersive X-ray analysis (EDX). It has been demonstrated that when alkaline concentration and solution temperature rise, the rate of H2 generation and, consequently, aluminum hydrolysis also rises. The addition of nonionic and cationic surfactants solution retards the rate of H2 production. The work is a promising option for carbon-free hydrogen production from renewable resources. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=energy" title="energy">energy</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrogen" title=" hydrogen"> hydrogen</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrolysis" title=" hydrolysis"> hydrolysis</a>, <a href="https://publications.waset.org/abstracts/search?q=surfactants" title=" surfactants"> surfactants</a> </p> <a href="https://publications.waset.org/abstracts/161815/regulating-hydrogen-energy-evaluation-during-aluminium-hydrolysis-in-alkaline-solutions-containing-different-surfactants" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161815.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">89</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37247</span> Probing Anomalous WW γ and WWZ Couplings with Polarized Electron Beam at the LHeC and FCC-Ep Collider</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=I.%20Turk%20Cakir">I. Turk Cakir</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Senol"> A. Senol</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20T.%20Tasci"> A. T. Tasci</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20Cakir"> O. Cakir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We study the anomalous WWγ and WWZ couplings by calculating total cross sections of the ep→νqγX and ep→νqZX processes at the LHeC with electron beam energy Ee=140 GeV and the proton beam energy Ep=7 TeV, and at the FCC-ep collider with the polarized electron beam energy Ee=80 GeV and the proton beam energy Ep=50 TeV. At the LHeC with electron beam polarization, we obtain the results for the difference of upper and lower bounds as (0.975, 0.118) and (0.285, 0.009) for the anomalous (Δκγ,λγ) and (Δκz,λz) couplings, respectively. As for FCC-ep collider, these bounds are obtained as (1.101,0.065) and (0.320,0.002) at an integrated luminosity of Lint=100 fb-1. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anomalous%20couplings" title="anomalous couplings">anomalous couplings</a>, <a href="https://publications.waset.org/abstracts/search?q=future%20circular%20collider" title=" future circular collider"> future circular collider</a>, <a href="https://publications.waset.org/abstracts/search?q=large%20hadron%20electron%20collider" title=" large hadron electron collider"> large hadron electron collider</a>, <a href="https://publications.waset.org/abstracts/search?q=W-boson%20and%20Z-boson" title=" W-boson and Z-boson"> W-boson and Z-boson</a> </p> <a href="https://publications.waset.org/abstracts/17408/probing-anomalous-ww-gh-and-wwz-couplings-with-polarized-electron-beam-at-the-lhec-and-fcc-ep-collider" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17408.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">380</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37246</span> Modulational Instability of Ion-Acoustic Wave in Electron-Positron-Ion Plasmas with Two-Electron Temperature Distributions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jitendra%20Kumar%20Chawla">Jitendra Kumar Chawla</a>, <a href="https://publications.waset.org/abstracts/search?q=Mukesh%20Kumar%20Mishra"> Mukesh Kumar Mishra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The nonlinear amplitude modulation of ion-acoustic wave is studied in the presence of two-electron temperature distribution in unmagnetized electron-positron-ion plasmas. The Krylov-Bogoliubov-Mitropolosky (KBM) perturbation method is used to derive the nonlinear Schrödinger equation. The dispersive and nonlinear coefficients are obtained which depend on the temperature and concentration of the hot and cold electron species as well as the positron density and temperature. The modulationally unstable regions are studied numerically for a wide range of wave number. The effects of the temperature and concentration of the hot and cold electron on the modulational stability are investigated in detail. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=modulational%20instability" title="modulational instability">modulational instability</a>, <a href="https://publications.waset.org/abstracts/search?q=ion%20acoustic%20wave" title=" ion acoustic wave"> ion acoustic wave</a>, <a href="https://publications.waset.org/abstracts/search?q=KBM%20method" title=" KBM method"> KBM method</a> </p> <a href="https://publications.waset.org/abstracts/28700/modulational-instability-of-ion-acoustic-wave-in-electron-positron-ion-plasmas-with-two-electron-temperature-distributions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28700.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">665</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37245</span> Microstructural and Electrochemical Investigation of Carbon Coated Nanograined LiFePO4 as Cathode Material for Li-Batteries</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rinlee%20Butch%20M.%20Cervera">Rinlee Butch M. Cervera</a>, <a href="https://publications.waset.org/abstracts/search?q=Princess%20Stephanie%20P.%20Llanos"> Princess Stephanie P. Llanos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lithium iron phosphate (LiFePO<sub>4</sub>) is a potential cathode material for lithium-ion batteries due to its promising characteristics. In this study, pure LiFePO<sub>4 </sub>(LFP) and carbon-coated nanograined LiFePO<sub>4 </sub>(LFP-C) is synthesized and characterized for its microstructural properties. X-ray diffraction patterns of the synthesized samples can be indexed to an orthorhombic LFP structure with about 63 nm crystallite size as calculated by using Scherrer’s equation. Agglomerated particles that range from 200 nm to 300 nm are observed from scanning electron microscopy images. Transmission electron microscopy images confirm the crystalline structure of LFP and coating of amorphous carbon layer. Elemental mapping using energy dispersive spectroscopy analysis revealed the homogeneous dispersion of the compositional elements. In addition, galvanostatic charge and discharge measurements were investigated for the cathode performance of the synthesized LFP and LFP-C samples. The results showed that the carbon-coated sample demonstrated the highest capacity of about 140 mAhg<sup>-1</sup> as compared to non-coated and micrograined sized commercial LFP. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ceramics" title="ceramics">ceramics</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20storage" title=" energy storage"> energy storage</a>, <a href="https://publications.waset.org/abstracts/search?q=electrochemical%20measurements" title=" electrochemical measurements"> electrochemical measurements</a>, <a href="https://publications.waset.org/abstracts/search?q=transmission%20electron%20microscope" title=" transmission electron microscope"> transmission electron microscope</a> </p> <a href="https://publications.waset.org/abstracts/60669/microstructural-and-electrochemical-investigation-of-carbon-coated-nanograined-lifepo4-as-cathode-material-for-li-batteries" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60669.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">257</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37244</span> New Kinetic Effects in Spatial Distribution of Electron Flux and Excitation Rates in Glow Discharge Plasmas in Middle and High Pressures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kirill%20D.%20Kapustin">Kirill D. Kapustin</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20B.%20Krasilnikov"> Mikhail B. Krasilnikov</a>, <a href="https://publications.waset.org/abstracts/search?q=Anatoly%20A.%20Kudryavtsev"> Anatoly A. Kudryavtsev</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Physical formation mechanisms of differential electron fluxes is high pressure positive column gas discharge are discussed. It is shown that the spatial differential fluxes of the electrons are directed both inward and outward depending on the energy relaxation law. In some cases the direction of energy differential flux at intermediate energies (5-10eV) in whole volume, except region near the wall, appeared to be down directed, so electron in this region dissipate more energy than gain from axial electric field. Paradoxical behaviour of electron flux in spatial-energy space is presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=plasma%20kinetics" title="plasma kinetics">plasma kinetics</a>, <a href="https://publications.waset.org/abstracts/search?q=electron%20distribution%20function" title=" electron distribution function"> electron distribution function</a>, <a href="https://publications.waset.org/abstracts/search?q=excitation%20and%20radiation%20rates" title=" excitation and radiation rates"> excitation and radiation rates</a>, <a href="https://publications.waset.org/abstracts/search?q=local%20and%20nonlocal%20EDF" title=" local and nonlocal EDF"> local and nonlocal EDF</a> </p> <a href="https://publications.waset.org/abstracts/4431/new-kinetic-effects-in-spatial-distribution-of-electron-flux-and-excitation-rates-in-glow-discharge-plasmas-in-middle-and-high-pressures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4431.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">400</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37243</span> Designing Modified Nanocarriers Containing Selenium Nanoparticles Extracted from the Lactobacillus acidophilus and Their Anticancer Properties</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahnoosh%20Aliahmadi">Mahnoosh Aliahmadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Akbar%20Esmaeili"> Akbar Esmaeili</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study synthesized new modified imaging nanocapsules (NCs) of gallium@deferoxamine/folic acid/chitosan/polyaniline/polyvinyl alcohol (Ga@DFA/FA/CS/PANI/PVA) containing Morus nigra extract by selenium nanoparticles prepared from Lactobacillus acidophilus. Se nanoparticles were then deposited on (Ga@DFA/FA/CS/PANI/PVA) using the impregnation method. The modified contrast agents were mixed with M. nigra extract, and their antibacterial activities were investigated by applying them to L929 cell lines. The influence of variable factors including surfactant, solvent, aqueous phase, pH, buffer, minimum Inhibitory concentration (MIC), minimum bactericidal concentration (MBC), cytotoxicity on cancer cells, antibiotic, antibiogram, release and loading, stirring effect, the concentration of nanoparticle, olive oil, and thermotical methods was investigated. The structure and morphology of the synthesized contrast agents were characterized by zeta potential sizer analysis (ZPS), X-Ray diffraction (XRD), Fourier-transform infrared (FT-IR), and energy-dispersive X-ray (EDX), ultraviolet-visible (UV-Vis) spectra, and scanning electron microscope (SEM). The experimental section was conducted and monitored by response surface methods (RSM) and MTT conversion assay. Antibiogram testing of NCs on Pseudomonas aeruginosa bacteria was successful, and the MIC=2 factor was obtained with a less harmful effect. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=imaging%20contrast%20agent" title="imaging contrast agent">imaging contrast agent</a>, <a href="https://publications.waset.org/abstracts/search?q=nanoparticles" title=" nanoparticles"> nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=response%20surface%20method" title=" response surface method"> response surface method</a>, <a href="https://publications.waset.org/abstracts/search?q=Lactobacillus%20acidophilus" title=" Lactobacillus acidophilus"> Lactobacillus acidophilus</a>, <a href="https://publications.waset.org/abstracts/search?q=selenium" title=" selenium"> selenium</a> </p> <a href="https://publications.waset.org/abstracts/152358/designing-modified-nanocarriers-containing-selenium-nanoparticles-extracted-from-the-lactobacillus-acidophilus-and-their-anticancer-properties" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152358.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">80</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37242</span> Zinc Oxide Nanowires: Device Fabrication and Optical Properties</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igori%20Wallace">Igori Wallace</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Zinc oxide (ZnO) nanowires with hexagonal structure were successfully synthesized by the chemical bath deposition technique. The obtained nanowires were characterized by scanning electron microscope (SEM) and energy dispersive X-ray analysis (EDX). The SEM micrographs revealed the morphology of ZnO nanowires with the diameter between 170.3 and 481nm and showed that the normal pH of the bath solution, 8.1 is the optimized value to form ZnO nanowires with the hexagonal shape. The compositional (EDX) analysis revealed the elemental compositions of samples and confirmed the presence of Zn and O. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=crystallite" title="crystallite">crystallite</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20bath%20deposition%20technique" title=" chemical bath deposition technique"> chemical bath deposition technique</a>, <a href="https://publications.waset.org/abstracts/search?q=hexagonal" title=" hexagonal"> hexagonal</a>, <a href="https://publications.waset.org/abstracts/search?q=morphology" title=" morphology"> morphology</a>, <a href="https://publications.waset.org/abstracts/search?q=nanowire" title=" nanowire"> nanowire</a> </p> <a href="https://publications.waset.org/abstracts/37553/zinc-oxide-nanowires-device-fabrication-and-optical-properties" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37553.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">309</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37241</span> Induced Chemistry for Dissociative Electron Attachment to Focused Electron Beam Induced Deposition Precursors Based on Ti, Si and Fe Metal Elements</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maria%20Pintea">Maria Pintea</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigel%20Mason"> Nigel Mason</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Induced chemistry is one of the newest pathways in the nanotechnology field with applications in the focused electron beam induced processes for deposition of nm scale structures. Si(OPr)₄ and Ti(OEt)₄ are two of the precursors that have not been so extensively researched, though highly sought for semiconductor and medical applications fields, the two compounds make good candidates for FEBIP and are the subject of velocity slice map imaging analysis for deposition purposes, offering information on kinetic energies, fragmentation channels, and angular distributions. The velocity slice map imaging technique is a method used for the characterization of molecular dynamics of the molecule and the fragmentation channels as a result of induced chemistry. To support the gas-phase analysis, Meso-Bio-Nano simulations of irradiation dynamics studies are employed with final results on Fe(CO)₅ deposited on various substrates. The software is capable of running large scale simulations for complex biomolecular, nano- and mesoscopic systems with applications to thermos-mechanical DNA damage, complex materials, gases, nanoparticles for cancer research and deposition applications for nanotechnology, using a large library of classical potentials, many-body force fields, molecular force fields involved in the classical molecular dynamics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=focused%20electron%20beam%20induced%20deposition" title="focused electron beam induced deposition">focused electron beam induced deposition</a>, <a href="https://publications.waset.org/abstracts/search?q=FEBID" title=" FEBID"> FEBID</a>, <a href="https://publications.waset.org/abstracts/search?q=induced%20chemistry" title=" induced chemistry"> induced chemistry</a>, <a href="https://publications.waset.org/abstracts/search?q=molecular%20dynamics" title=" molecular dynamics"> molecular dynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=velocity%20map%20slice%20imaging" title=" velocity map slice imaging"> velocity map slice imaging</a> </p> <a href="https://publications.waset.org/abstracts/112820/induced-chemistry-for-dissociative-electron-attachment-to-focused-electron-beam-induced-deposition-precursors-based-on-ti-si-and-fe-metal-elements" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/112820.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">109</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37240</span> Development of Nondestructive Imaging Analysis Method Using Muonic X-Ray with a Double-Sided Silicon Strip Detector</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=I-Huan%20Chiu">I-Huan Chiu</a>, <a href="https://publications.waset.org/abstracts/search?q=Kazuhiko%20Ninomiya"> Kazuhiko Ninomiya</a>, <a href="https://publications.waset.org/abstracts/search?q=Shin%E2%80%99ichiro%20Takeda"> Shin’ichiro Takeda</a>, <a href="https://publications.waset.org/abstracts/search?q=Meito%20Kajino"> Meito Kajino</a>, <a href="https://publications.waset.org/abstracts/search?q=Miho%20Katsuragawa"> Miho Katsuragawa</a>, <a href="https://publications.waset.org/abstracts/search?q=Shunsaku%20Nagasawa"> Shunsaku Nagasawa</a>, <a href="https://publications.waset.org/abstracts/search?q=Atsushi%20Shinohara"> Atsushi Shinohara</a>, <a href="https://publications.waset.org/abstracts/search?q=Tadayuki%20Takahashi"> Tadayuki Takahashi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ryota%20Tomaru"> Ryota Tomaru</a>, <a href="https://publications.waset.org/abstracts/search?q=Shin%20Watanabe"> Shin Watanabe</a>, <a href="https://publications.waset.org/abstracts/search?q=Goro%20Yabu"> Goro Yabu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In recent years, a nondestructive elemental analysis method based on muonic X-ray measurements has been developed and applied for various samples. Muonic X-rays are emitted after the formation of a muonic atom, which occurs when a negatively charged muon is captured in a muon atomic orbit around the nucleus. Because muonic X-rays have higher energy than electronic X-rays due to the muon mass, they can be measured without being absorbed by a material. Thus, estimating the two-dimensional (2D) elemental distribution of a sample became possible using an X-ray imaging detector. In this work, we report a non-destructive imaging experiment using muonic X-rays at Japan Proton Accelerator Research Complex. The irradiated target consisted of polypropylene material, and a double-sided silicon strip detector, which was developed as an imaging detector for astronomical observation, was employed. A peak corresponding to muonic X-rays from the carbon atoms in the target was clearly observed in the energy spectrum at an energy of 14 keV, and 2D visualizations were successfully reconstructed to reveal the projection image from the target. This result demonstrates the potential of the non-destructive elemental imaging method that is based on muonic X-ray measurement. To obtain a higher position resolution for imaging a smaller target, a new detector system will be developed to improve the statistical analysis in further research. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=DSSD" title="DSSD">DSSD</a>, <a href="https://publications.waset.org/abstracts/search?q=muon" title=" muon"> muon</a>, <a href="https://publications.waset.org/abstracts/search?q=muonic%20X-ray" title=" muonic X-ray"> muonic X-ray</a>, <a href="https://publications.waset.org/abstracts/search?q=imaging" title=" imaging"> imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=non-destructive%20analysis" title=" non-destructive analysis"> non-destructive analysis</a> </p> <a href="https://publications.waset.org/abstracts/137568/development-of-nondestructive-imaging-analysis-method-using-muonic-x-ray-with-a-double-sided-silicon-strip-detector" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/137568.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">205</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37239</span> Improvement of Wear Resistance of 356 Aluminum Alloy by High Energy Electron Beam Irradiation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Farnush">M. Farnush</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study is concerned with the microstructural analysis and improvement of wear resistance of 356 aluminum alloy by a high energy electron beam. Shock hardening on material by high energy electron beam improved wear resistance. Particularly, in the surface of material by shock hardening, the wear resistance was greatly enhanced to 29% higher than that of the 356 aluminum alloy substrate. These findings suggested that surface shock hardening using high energy electron beam irradiation was economical and useful for the development of surface shock hardening with improved wear resistance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Al356%20alloy" title="Al356 alloy">Al356 alloy</a>, <a href="https://publications.waset.org/abstracts/search?q=HEEB" title=" HEEB"> HEEB</a>, <a href="https://publications.waset.org/abstracts/search?q=wear%20resistance" title=" wear resistance"> wear resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=frictional%20characteristics" title=" frictional characteristics"> frictional characteristics</a> </p> <a href="https://publications.waset.org/abstracts/47963/improvement-of-wear-resistance-of-356-aluminum-alloy-by-high-energy-electron-beam-irradiation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47963.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">317</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37238</span> The Role of Nickel on the High-Temperature Corrosion of Modell Alloys (Stainless Steels) before and after Breakaway Corrosion at 600°C: A Microstructural Investigation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Imran%20Hanif">Imran Hanif</a>, <a href="https://publications.waset.org/abstracts/search?q=Amanda%20Persdotter"> Amanda Persdotter</a>, <a href="https://publications.waset.org/abstracts/search?q=Sedigheh%20Bigdeli"> Sedigheh Bigdeli</a>, <a href="https://publications.waset.org/abstracts/search?q=Jesper%20Liske"> Jesper Liske</a>, <a href="https://publications.waset.org/abstracts/search?q=Torbjorn%20Jonsson"> Torbjorn Jonsson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Renewable fuels such as biomass/waste for power production is an attractive alternative to fossil fuels in order to achieve a CO₂ -neutral power generation. However, the combustion results in the release of corrosive species. This puts high demands on the corrosion resistance of the alloys used in the boiler. Stainless steels containing nickel and/or nickel containing coatings are regarded as suitable corrosion resistance material especially in the superheater regions. However, the corrosive environment in the boiler caused by the presence of water vapour and reactive alkali very rapidly breaks down the primary protection, i.e., the Cr-rich oxide scale formed on stainless steels. The lifetime of the components, therefore, relies on the properties of the oxide scale formed after breakaway, i.e., the secondary protection. The aim of the current study is to investigate the role of varying nickel content (0–82%) on the high-temperature corrosion of model alloys with 18% Cr (Fe in balance) in the laboratory mimicking industrial conditions at 600°C. The influence of nickel is investigated on both the primary protection and especially the secondary protection, i.e., the scale formed after breakaway, during the oxidation/corrosion process in the dry O₂ (primary protection) and more aggressive environment such as H₂O, K₂CO₃ and KCl (secondary protection). All investigated alloys experience a very rapid loss of the primary protection, i.e., the Cr-rich (Cr, Fe)₂O₃, and the formation of secondary protection in the aggressive environments. The microstructural investigation showed that secondary protection of all alloys has a very similar microstructure in all more aggressive environments consisting of an outward growing iron oxide and inward growing spinel-oxide (Fe, Cr, Ni)₃O₄. The oxidation kinetics revealed that it is possible to influence the protectiveness of the scale formed after breakaway (secondary protection) through the amount of nickel in the alloy. The difference in oxidation kinetics of the secondary protection is linked to the microstructure and chemical composition of the complex spinel-oxide. The detailed microstructural investigations were carried out using the extensive analytical techniques such as electron back scattered diffraction (EBSD), energy dispersive X-rays spectroscopy (EDS) via the scanning and transmission electron microscopy techniques and results are compared with the thermodynamic calculations using the Thermo-Calc software. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=breakaway%20corrosion" title="breakaway corrosion">breakaway corrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=EBSD" title=" EBSD"> EBSD</a>, <a href="https://publications.waset.org/abstracts/search?q=high-temperature%20oxidation" title=" high-temperature oxidation"> high-temperature oxidation</a>, <a href="https://publications.waset.org/abstracts/search?q=SEM" title=" SEM"> SEM</a>, <a href="https://publications.waset.org/abstracts/search?q=TEM" title=" TEM"> TEM</a> </p> <a href="https://publications.waset.org/abstracts/106753/the-role-of-nickel-on-the-high-temperature-corrosion-of-modell-alloys-stainless-steels-before-and-after-breakaway-corrosion-at-600c-a-microstructural-investigation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/106753.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">141</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37237</span> Synthesis of ZnO Nanoparticles with Varying Calcination Temperature for Photocatalytic Degradation of Ethylbenzene</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Darlington%20Ashiegbu">Darlington Ashiegbu</a>, <a href="https://publications.waset.org/abstracts/search?q=Herman%20Johannes%20Potgieter"> Herman Johannes Potgieter</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The increasing utilization of Zinc Oxide (ZnO) as a better alternative to TiO₂ has been attributed to its wide bandgap (3.37eV), lower production cost, ability to absorb over a larger range of the UV-spectrum and higher efficiency in some cases. ZnO nanoparticles were synthesized via sol-gel process and calcined at 400ᵒC, 500ᵒC, and 650ᵒC. The as-synthesized nanoparticles were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), and Brunauer–Emmett–Teller (BET) surface area measurement. Scanning electron micrograph revealed pseudo-spherical and rod-like morphologies and a high rate of agglomeration for the sample calcined at 650ᵒC, Brunnauer Emmett Teller (BET) surface area measurement was highest in the sample calcined at 500ᵒC, energy dispersive X-ray spectroscopy (EDS) results confirmed the purity of the samples as only Zn and O₂ were detected and X-ray diffraction (XRD) results revealed crystalline hexagonal wurtzite structure of the ZnO nanoparticles. All three samples were utilized in the degradation of ethylbenzene, and a UV-Vis spectrophotometer was utilized in monitoring degradation of ethylbenzene. The sample calcined at 500ᵒC had the highest surface area for reaction, lowest agglomeration and the highest photocatalytic activity in the degradation of ethylbenzene. This revealed temperature as a very important factor in improved and higher photocatalytic activity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ethylbenzene" title="ethylbenzene">ethylbenzene</a>, <a href="https://publications.waset.org/abstracts/search?q=pseudo-spherical" title=" pseudo-spherical"> pseudo-spherical</a>, <a href="https://publications.waset.org/abstracts/search?q=sol-gel" title=" sol-gel"> sol-gel</a>, <a href="https://publications.waset.org/abstracts/search?q=zinc%20oxide" title=" zinc oxide"> zinc oxide</a> </p> <a href="https://publications.waset.org/abstracts/97275/synthesis-of-zno-nanoparticles-with-varying-calcination-temperature-for-photocatalytic-degradation-of-ethylbenzene" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/97275.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">162</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37236</span> Tailoring Polycrystalline Diamond for Increasing Earth-Drilling Challenges</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jie%20Chen">Jie Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Chris%20Cheng"> Chris Cheng</a>, <a href="https://publications.waset.org/abstracts/search?q=Kai%20Zhang"> Kai Zhang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Polycrystalline diamond compact (PDC) cutters with a polycrystalline diamond (PCD) table supported by a cemented tungsten carbide substrate have been widely used for earth-drilling tools in the oil and gas industry. Both wear and impact resistances are key figure of merits of PDC cutters, and they are closely related to the microstructure of the PCD table. As oil and gas exploration enters deeper, harder, and more complex formations, plus increasing requirement of accelerated downhole drilling speed and drilling cost reduction, current PDC cutters face unprecedented challenges for maintaining a longer drilling life than ever. Excessive wear on uneven hard formations, spalling, chipping, and premature fracture due to impact loads are common failure modes of PDC cutters in the field. Tailoring microstructure of the PCD table is one of the effective approaches to improve the wear and impact resistances of PDC cutters, along with other factors such as cutter geometry and bit design. In this research, cross-sectional microstructure, fracture surface, wear surface, and elemental composition of PDC cutters were analyzed using scanning electron microscopy (SEM) with both backscattered electron and secondary electron detectors, and energy dispersive X-ray spectroscopy (EDS). The microstructure and elemental composition were further correlated with the wear and impact resistances of corresponding PDC cutters. Wear modes and impact toughening mechanisms of state-of-the-art PDCs were identified. Directions to further improve the wear and impact resistances of PDC cutters were proposed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fracture%20surface" title="fracture surface">fracture surface</a>, <a href="https://publications.waset.org/abstracts/search?q=microstructure" title=" microstructure"> microstructure</a>, <a href="https://publications.waset.org/abstracts/search?q=polycrystalline%20diamond" title=" polycrystalline diamond"> polycrystalline diamond</a>, <a href="https://publications.waset.org/abstracts/search?q=PDC" title=" PDC"> PDC</a>, <a href="https://publications.waset.org/abstracts/search?q=wear%20surface" title=" wear surface"> wear surface</a> </p> <a href="https://publications.waset.org/abstracts/178914/tailoring-polycrystalline-diamond-for-increasing-earth-drilling-challenges" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/178914.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">53</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37235</span> A Study of the Weld Properties of Inconel 625 Based on Nb Content</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=JongWon%20Han">JongWon Han</a>, <a href="https://publications.waset.org/abstracts/search?q=NoHoon%20Kim"> NoHoon Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=HyoIk%20Ahn"> HyoIk Ahn</a>, <a href="https://publications.waset.org/abstracts/search?q=HaeWoo%20Lee"> HaeWoo Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, shielded metal arc welding was performed as a function of Nb content at 2.24 wt%, 3.25 wt%, and 4.26 wt%. The microstructure was observed using scanning electron microscopy/energy dispersive X-ray spectroscopy (SEM/EDS) and showed the development of a columnar dendrite structure in the specimen having the least Nb content. From the hardness test, the hardness value was confirmed to reduce with decreasing Nb content. From electron backscatter diffraction (EBSD) analysis, the largest grain size was found in the specimen with Nb content of 2.24 wt%. The potentiodynamic polarization test was carried out to determine the pitting corrosion resistance; there was no significant difference in the pitting corrosion resistance with increasing Nb content. To evaluate the degree of sensitization to intergranular corrosion, the Double Loop Electrochemical Potentiodynamic Reactivation(DL-EPR test) was conducted. A similar degree of sensitization was found in two specimens except with a Nb content of 2.24 wt%, while a relatively high degree of sensitization was found in the specimen with a Nb content of 2.24 wt%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=inconel%20625" title="inconel 625">inconel 625</a>, <a href="https://publications.waset.org/abstracts/search?q=Nb%20content" title=" Nb content"> Nb content</a>, <a href="https://publications.waset.org/abstracts/search?q=potentiodynamic%20test" title=" potentiodynamic test"> potentiodynamic test</a>, <a href="https://publications.waset.org/abstracts/search?q=DL-EPR%20test" title=" DL-EPR test"> DL-EPR test</a> </p> <a href="https://publications.waset.org/abstracts/85849/a-study-of-the-weld-properties-of-inconel-625-based-on-nb-content" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85849.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">308</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37234</span> Investigating Pack Boriding as a Surface Treatment for WC-Co Cold Forming Die Materials</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Afshin%20Zohdi">Afshin Zohdi</a>, <a href="https://publications.waset.org/abstracts/search?q=Sel%C3%A7uk%20%C3%96zdemir"> Selçuk Özdemir</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20Aksoy"> Mustafa Aksoy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tungsten carbide-cobalt (WC-Co) is a widely utilized material for cold forming dies, including those employed in fastener production. In this study, we investigated the effectiveness of the pack boriding method in improving the surface properties of WC-Co cold forging dies. The boriding process involved embedding WC-Co samples, along with a steel control sample, within a chamber made of H13 tool steel. A boriding powder mixture was introduced into the chamber, which was then sealed using a paste. Subsequently, the samples were subjected to a temperature of 700°C for 5 hours in a furnace. Microstructural analysis, including cross-sectional examination and scanning electron microscopy (SEM), confirmed successful boron diffusion and its presence on the surface of the borided samples. The microhardness of the borided layer was significantly increased (3980 HV1) compared to the unborided sample (1320 HV3), indicating enhanced hardness. The borided layer exhibited an acceptable thickness of 45 microns, with a diffusion coefficient of 1.125 × 10-7 mm²/s, signifying a moderate diffusion rate. Energy-dispersive X-ray spectroscopy (EDS) mapping revealed an increase in boron content, desirable for the intended purpose, while an undesired increase in oxygen content was observed. Furthermore, the pin-on-disk wear test demonstrated a reduction in friction coefficient, indicating improved mechanical and tribological properties of the surface. The successful implementation of the pack boriding process highlights its potential for enhancing the performance of WC-Co cold forging dies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=WC-Co" title="WC-Co">WC-Co</a>, <a href="https://publications.waset.org/abstracts/search?q=cold%20forging%20dies" title=" cold forging dies"> cold forging dies</a>, <a href="https://publications.waset.org/abstracts/search?q=pack%20boriding" title=" pack boriding"> pack boriding</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20hardness" title=" surface hardness"> surface hardness</a>, <a href="https://publications.waset.org/abstracts/search?q=wear%20resistance" title=" wear resistance"> wear resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=microhardness" title=" microhardness"> microhardness</a>, <a href="https://publications.waset.org/abstracts/search?q=diffusion%20coefficient" title=" diffusion coefficient"> diffusion coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=scanning%20electron%20microscopy" title=" scanning electron microscopy"> scanning electron microscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=energy-dispersive%20X-ray%20spectroscopy" title=" energy-dispersive X-ray spectroscopy"> energy-dispersive X-ray spectroscopy</a> </p> <a href="https://publications.waset.org/abstracts/167428/investigating-pack-boriding-as-a-surface-treatment-for-wc-co-cold-forming-die-materials" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167428.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">73</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37233</span> Structural Alteration of MoS₂ by Incorporating Fe, Co Composite for an Enhanced Oxygen Evolution Reaction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Krishnamoorthy%20Sathiyan">Krishnamoorthy Sathiyan</a>, <a href="https://publications.waset.org/abstracts/search?q=Shanti%20Gopal%20Patra"> Shanti Gopal Patra</a>, <a href="https://publications.waset.org/abstracts/search?q=Ronen%20Bar-Ziv"> Ronen Bar-Ziv</a>, <a href="https://publications.waset.org/abstracts/search?q=Tomer%20Zidki"> Tomer Zidki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Developing efficient non-noble metal catalysts that are cheap and durable for oxygen evolution reaction (OER) is a great challenge. Moreover, altering the electronic structure of the catalyst and structural engineering of the materials provide a new direction for enhancing the OER. Herein, we have successfully synthesized Fe and Co incorporated MoS₂ catalysts, which show improved catalytic activity for OER when compared with MoS₂, Fe-MoS₂, and Co-MoS₂. It was found that at an optimal ratio of Fe and Co, the electronic and structural modification of MoS₂ occurs, which leads to change in orientation and thereby enhances the active catalytic sites on the edges, which are more exposed for OER. The nanocomposites have been well characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), and energy dispersive X-ray analysis (EDX), Elemental Mapping, transmission electron microscope (TEM), and high-resolution transmission electron microscope (HR-TEM) analysis. Among all, a particular ratio of FeCo-MoS₂ exhibits a much smaller onset with better catalytic current density. The remarkable catalytic activity is mainly attributed to the synergistic effect from the Fe and Co. Most importantly, our work provides an essential insight in altering the electronic structure of MoS₂ based materials by incorporating promoters such as Co and Fe in an optimal amount, which enhances OER activity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electrocatalysts" title="electrocatalysts">electrocatalysts</a>, <a href="https://publications.waset.org/abstracts/search?q=molybdenum%20disulfide" title=" molybdenum disulfide"> molybdenum disulfide</a>, <a href="https://publications.waset.org/abstracts/search?q=oxygen%20evolution%20reaction" title=" oxygen evolution reaction"> oxygen evolution reaction</a>, <a href="https://publications.waset.org/abstracts/search?q=transition%20metals" title=" transition metals"> transition metals</a> </p> <a href="https://publications.waset.org/abstracts/118638/structural-alteration-of-mos2-by-incorporating-fe-co-composite-for-an-enhanced-oxygen-evolution-reaction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/118638.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">130</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37232</span> Removal of Lead Ions from Aqueous Medium Using Devised Column Filters Packed with Chitosan from Trash Crab Shells: A Characterization Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Charles%20Klein%20O.%20Gorit">Charles Klein O. Gorit</a>, <a href="https://publications.waset.org/abstracts/search?q=Mark%20Tristan%20J.%20Quimque%20Jr."> Mark Tristan J. Quimque Jr.</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Cecilia%20V.%20Almeda"> M. Cecilia V. Almeda</a>, <a href="https://publications.waset.org/abstracts/search?q=Concepcion%20M.%20Salvana"> Concepcion M. Salvana</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Chitosan is a promising biopolymer commonly found in crustacean shells that has plausible effects in water purification and wastewater treatment. It is a primary derivative of chitin and considered second of the most abundant biopolymer prior to cellulose. Morphological analysis had been done using Scanning Electron Microscopy with Energy Dispersive Microscopy (SEM/EDS), and due to its porous nature, it showcases a certain degree of porosity, hence, larger adsorption site of heavy metal. The Energy Dispersive Spectroscopy of the chitosan and ‘lead-bound’ chitosan, shows a relative increase of percent abundance of lead cation from 1.44% to 2.08% hence, adsorption occurs. Chitosan, as a nitrogenous polysaccharide, subjected to Fourier transform infrared spectroscopy (FTIR) analysis shows amide bands ranging from 1635.36 cm⁻¹ for amide 1 band and 1558.40 cm-1 for amide 2 band with NH stretching. For ‘lead-bound’ chitosan, the FT-IR analysis shows a change in peaks upon adsorption of Pb(II) cation. The spectrum shows broadening of OH and NH stretching band. Such observation can be attributed to the probability that the attachment of Pb(II) ions is in these functional groups. A column filter was devised with lead-bound chitosan to determine the zero point charge (pHzpc) of the biopolymer. The results show that at pH 8.34, below than the zpc level of literatures cited for lead which ranges from pH 4 to 7, favors the adsorption site of chitosan and its capability to adsorb traces amount of aqueous lead. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chitosan" title="chitosan">chitosan</a>, <a href="https://publications.waset.org/abstracts/search?q=biopolymer" title=" biopolymer"> biopolymer</a>, <a href="https://publications.waset.org/abstracts/search?q=FT-IR" title=" FT-IR"> FT-IR</a>, <a href="https://publications.waset.org/abstracts/search?q=SEM" title=" SEM"> SEM</a>, <a href="https://publications.waset.org/abstracts/search?q=zero-point%20charge" title=" zero-point charge"> zero-point charge</a>, <a href="https://publications.waset.org/abstracts/search?q=heavy%20metal" title=" heavy metal"> heavy metal</a>, <a href="https://publications.waset.org/abstracts/search?q=lead%20ions" title=" lead ions"> lead ions</a> </p> <a href="https://publications.waset.org/abstracts/91504/removal-of-lead-ions-from-aqueous-medium-using-devised-column-filters-packed-with-chitosan-from-trash-crab-shells-a-characterization-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/91504.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">151</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37231</span> Elaboration and Characterization of Silver Nanoparticles for Therapeutic and Environmental Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Manel%20Bouloudenine">Manel Bouloudenine</a>, <a href="https://publications.waset.org/abstracts/search?q=Karima%20Djeddou"> Karima Djeddou</a>, <a href="https://publications.waset.org/abstracts/search?q=Hadjer%20Ben%20Manser"> Hadjer Ben Manser</a>, <a href="https://publications.waset.org/abstracts/search?q=Hana%20Soualah%20Alila"> Hana Soualah Alila</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohmed%20Bououdina"> Mohmed Bououdina</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This survey research involves the elaboration and characterization of silver nanoparticles for therapeutic and environmental applications. The silver nanoparticles "Ag NPs" were synthesized by reducing AgNO3 with microwaves. The characterization of nanoparticles was done by using Transmission Electron Microscopy " TEM ", Energy Dispersive Spectroscopy "EDS", Selected Area Electron Diffraction "SEAD", UV-Visible Spectroscopy and Dynamic Light Scattering "DLS". Transmission Electron Microscopy and Electron Diffraction have confirmed the nanoscale, the shape, and the crystalline quality of as synthesized silver nanoparticles. Elementary analysis has proved the purity of Ag NPs and the presence of the Surface Plasmon Resonance phenomenon "SPR". A strong absorption shift was observed in the visible range of the UV-visible spectrum of as synthesized Ag NPs, which indicates the presence of metallic silver. When the strong absorption in the ultraviolet range of the spectrum has revealed the presence of ionic Ag NPs ionic Ag aggregates species. The autocorrelation function measured by the Dynamic Light Scattering has shown a strong monodispersed character of Ag NPs, which is indicated by the presence of a single size population, with a minima and a maxima laying between 40 and 111 nm. Related to other research, our results confirm the performance properties of as synthesized Ag NPs, which allows them to be performing in many technological applications, including therapeutic and environmental ones. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=silvers%20nanoparticles" title="silvers nanoparticles">silvers nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=microwaves" title=" microwaves"> microwaves</a>, <a href="https://publications.waset.org/abstracts/search?q=EDS" title=" EDS"> EDS</a>, <a href="https://publications.waset.org/abstracts/search?q=TEM" title=" TEM"> TEM</a> </p> <a href="https://publications.waset.org/abstracts/146054/elaboration-and-characterization-of-silver-nanoparticles-for-therapeutic-and-environmental-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/146054.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">147</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37230</span> Electrochemical Performance of Al-Mn2O3 Based Electrode Materials</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Noor%20Ul%20Ain%20Bhatti">Noor Ul Ain Bhatti</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Junaid%20Khan"> M. Junaid Khan</a>, <a href="https://publications.waset.org/abstracts/search?q=Javed%20Ahmad"> Javed Ahmad</a>, <a href="https://publications.waset.org/abstracts/search?q=Murtaza%20Saleem"> Murtaza Saleem</a>, <a href="https://publications.waset.org/abstracts/search?q=Shahid%20M.%20Ramay"> Shahid M. Ramay</a>, <a href="https://publications.waset.org/abstracts/search?q=Saadat%20A.%20Siddiqi"> Saadat A. Siddiqi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Manganese oxide is being recently used as electrode material for rechargeable batteries. In this study, Al incorporated Mn<sub>2</sub>O<sub>3</sub> compositions were synthesized to study the effect of Al doping on electrochemical performance of host material. Structural studies were carried out using X-ray diffraction analysis to confirm the phase stability and explore the lattice parameters, crystallite size, lattice strain, density and cell volume. Morphology and composition were analyzed using field emission scanning electron microscope and energy dispersive X-ray spectroscopy, respectively. Dynamic light scattering analysis was performed to observe the average particle size of the compositions. FTIR measurements exhibit the O-Al-O and O-Mn-O and Al-O bonding and with increasing the concentration of Al, the vibrational peaks of Mn-O become sharper. An enhanced electrochemical performance was observed in compositions with higher Al content. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mn2O3" title="Mn2O3">Mn2O3</a>, <a href="https://publications.waset.org/abstracts/search?q=electrode%20materials" title=" electrode materials"> electrode materials</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20storage%20and%20conversion" title=" energy storage and conversion"> energy storage and conversion</a>, <a href="https://publications.waset.org/abstracts/search?q=electrochemical%20performance" title=" electrochemical performance"> electrochemical performance</a> </p> <a href="https://publications.waset.org/abstracts/63281/electrochemical-performance-of-al-mn2o3-based-electrode-materials" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63281.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">367</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37229</span> Investigations on Microstructural and Raman Scattering Properties of B2O3 Doped Ba(Ti1-xZrx)O3 Nanoceramics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Keri%CC%87m%20Emre%20%C3%96ks%C3%BCz">Keri̇m Emre Öksüz</a>, <a href="https://publications.waset.org/abstracts/search?q=%C5%9Eaduman%20%C5%9Een"> Şaduman Şen</a>, <a href="https://publications.waset.org/abstracts/search?q=U%C4%9Fur%20%C5%9Een"> Uğur Şen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> 0.5 wt. % B2O3–doped Ba (Ti1-xZrx) O3, (x=0-0.4) lead-free nanoceramics were synthesized using the solid-state reaction method by adopting the ball milling technique. The inﬂuence of the substitution content on crystallographic structure, phase transition, microstructure and sintering behaviour of BT and BZT ceramics were investigated. XRD analysis at room temperature revealed a structural transformation from tetragonal to rhombohedral with enhancement of ZrO2 content in the barium titanate matrix. The scanning electron microscope (SEM) and energy-dispersive X-ray spectroscopy (EDS) were used to investigate microstructure and surface morphology of the sintered samples. The evolution of the Raman spectra was studied for various compositions, and the spectroscopic signature of the corresponding phase was determined. Scanning Electron Microscope (SEM) observations revealed enhanced microstructural uniformity and retarded grain growth with increasing Zr content. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=BaTiO3" title="BaTiO3">BaTiO3</a>, <a href="https://publications.waset.org/abstracts/search?q=barium-titanate-zirconate" title=" barium-titanate-zirconate"> barium-titanate-zirconate</a>, <a href="https://publications.waset.org/abstracts/search?q=nanoceramics" title=" nanoceramics"> nanoceramics</a>, <a href="https://publications.waset.org/abstracts/search?q=raman%20spectroscopy" title=" raman spectroscopy"> raman spectroscopy</a> </p> <a href="https://publications.waset.org/abstracts/34952/investigations-on-microstructural-and-raman-scattering-properties-of-b2o3-doped-bati1-xzrxo3-nanoceramics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34952.pdf" target="_blank" class="btn btn-primary 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