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a significant effect on the formation of interfacial intermetallic compounds. To analyze the Si diffusion behavior, a model for the prediction of the chemical potential for ternary alloy was established... dissolution and melting mode, which presents a good agreement with the experimental data. Further, formation mechanism of the interfacial intermetllic compound was clarified. Key words: laser welding......
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Trans. Nonferrous Met. Soc. China 24(2014) 3118-3125 Interfacial reactions between Ti-1100 alloy and CaO crucible during casting process Bin-guo FU, Hong-wei WANG, Chun-ming ZOU, Pan MA, Zun-jie WEI... melted in a controlled atmospheric induction furnace equipped with a CaO crucible. The microstructure, chemical composition, microhardness and metal-crucible interfacial reactions were systematically......
Science and Engineering, Kansai University, Osaka, Japan;2.Toho Zinc Co., Ltd., Gunma, Japan) 摘要:Iron aluminides exhibit good resistance to high-temperature sulfidizing and oxidizing environments... ks at 1123 or 1173 K. 关键词:iron aluminide; intermetallic compound; accumulative roll bonding; interfacial reaction; reactive diffusion; [全文内容正在添加中] ......
,and the morphological changes before and after simulated tunnel fire were observed.To investigate the fire resistance,the interfacial temperature of a 30 mm thick aerogel-cement mortar and self-compacting concrete...Density Dependence of Tunnel Fire Resistance for Aerogel-Cement Mortar Coatings朱平华,JIA Zhi,王新杰,CHEN Chunhong,LIU Hui,XU XiaoyanDepartment of Civil Engineering, Changzhou University摘 要:
on qualities of coating were assessed by adhesion and porosity testing of copper plating. The interfacial reactions between specimen and solution were analyzed with SEM, EDX and XRD. The results show... 4-6 phosphate-permanganate solution for 3-5 min. The adhesion and corrosion resistance of copper plating are enhanced. The one-step pickling-activation can replace the existing two-step process of acid......
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materials; chloride ion penetration resistance; service life prediction; interfacial transition zone 氯离子侵蚀引发钢筋锈蚀是跨海大桥,跨海隧道,海港码头,海上石油平台等海洋工程混凝土结构耐久性的主要影响因素[1].氯离子侵蚀引发钢筋锈蚀导致混凝土保护层剥落,钢筋性能退化,严重时混凝土保护层开裂以致破坏混凝土..., and the microstructure of ULIPCM was investigated by microhardness, MIP and SEM-EDXA. The structure model of interfacial transition zone between aggregate and cement paste of ULIPCM was put forward......
particles has a relatively higher density and its thermal conductivity approaches 300 W/(m·K). Addition of 0.5%B improves the interfacial bonding and decreases thermal boundary resistance between diamond.... Key words: diamond-Cu composite; carbide forming elements; thermal conductivity; thermal boundary resistance; interfacial layer  ......
J. Cent. South Univ. (2020) 27: 3821-3838 DOI: https://doi.org/10.1007/s11771-020-4473-0 Performance evaluation of nano-silica and silica fume on enhancing acid resistance of cement-based... acid resistance of mortar mixtures. The NS and SF were added as substitutions for cement at various dosages. The cured samples were immersed in the sulfuric acid solution with a pH of 2 for 75 d......