Results 51 to 60 of about 138,401 (319)
工程科学学报, 2023 Aluminum oxide is a common component in mold powder and is a kind of amphoteric oxide. It shows the characteristics of acid oxide under high-alkalinity conditions and of alkaline oxide under low-alkalinity conditions.
Gang LI +4 more
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Quantification of High Temperature Transition Al2O3 and Their Phase Transformations
, 2020 High temperature exposure of gamma-Al2O3 can lead to a series of polymorphic transformations, including the formation of delta-Al2O3 and theta-Al2O3. Quantification of the microstructure in the delta/theta-Al2O3 formation range represents a formidable ...
Mark, Bowden +5 more
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Advanced Engineering Materials, EarlyView.Copper‐based composites enhanced with carbon feature convenient mechanical properties and favorable electric conductivity. Processing via deformation and thermomechanical treatments can introduce advantageous microstructures further enhancing their performance. Herein, copper–graphene powder‐based composites are directly consolidated via rotary swaging
Radim Kocich +3 more
wiley +1 more source
Düzce Üniversitesi Bilim ve Teknoloji DergisiComposite materials find extensive applications in various industries, thanks to their remarkable properties. These sectors include energy, maritime, motor sports, aviation, space and defense.
Mert Kılınçel +2 more
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The Heat Resistant Capabilities of Bioplastic Composites on Sago Hampas Starch-Al2O3
Jurnal Rekayasa Kimia & Lingkungan, 2023 Sago hampas are a waste with a high starch content. The starch from sago hampas can be used as a raw material for bioplastics. However, because bioplastics have a lower heat resistance than conventional plastics, additives are required to increase heat ...
Afra Najiyah Amatullah +2 more
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Advanced Engineering Materials, EarlyView.Scandium (Sc)‐doped AlCoCrFeMo HEA coatings are fabricated via flame spraying with 0.1, 0.3, and 0.5 wt% Sc additions. Among these, the HEA‐Sc0.3 coating exhibits the highest corrosion resistance, indicated by a more positive corrosion potential and lower current density.
Pankaj Kumar +7 more
wiley +1 more source
Characterization of Nanosized Al2O3 Powder Synthesized by Thermal-Assisted MOCVD and Plasma-Assisted MOCVD [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2011 Nanosized Al2O3 powder is synthesized by thermal Metal Organic Chemical Vapor Deposition (MOCVD)combined withplasma. The effects of reaction temperature, pressure, Al(CH3)3 (TMA) concentration and reactant gases (CO2 and O2) on the characteristics of the
Han Shizhong +3 more
doaj
Zhejiang Daxue xuebao. Lixue ban, 2008 在流化床中评价了用于甲烷二氧化碳氧化重整制合成气反应的Ni-Al2O3/SiO2催化剂体系（NixAlSi，x代表Al的质量分数，Ni的质量分数为4%）的催化性能.利用XRD，CO2(O2)-TPD，积炭量测定等手段对催化剂进行了表征.结果表明，Al2O3的添加促进了Ni金属的分散；增强了对CO2和O2的吸附能力，使催化剂的抗积炭性能得到很大的提高，延缓了催化剂的失活.
HESu-fang(何素芳) +5 more
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Indonesian Journal of Chemistry, 2023 In the present work, nanoparticles of Al2O3, Cu-Al2O3, and Ni-Al2O3 were prepared using Hibiscus rosa-sinensis plant leaf extract through co-precipitation method.
Farzana Haider +4 more
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Analysis of Electron Mobility in Inversion-Mode Al2O3/InxGa1-xAs MOSFETs
, 2011 The electron mobility in Al2O3/InxGa1-xAs (x = 0.53, 0.65, or 0.75) metal-oxide-semiconductor field-effect transistors was analyzed for scattering by oxide charge, as well as interface charge and roughness, and compared with measured transfer ...
Xuan, Yi +7 more
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