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Structural characteristics of BaTiO3 films prepared by microarc oxidation LI Wen-fang(李文芳), HAN Bing(韩 冰), DU Jun(杜 军), PENG Ji-hua(彭继华), GAO Yin-hui(高引慧) College of Mechanical Engineering, South... oxidation(MAO) technology. The effects of current density and electrolytic concentration on chemical composition, crystal phase, and surface morphologies of the films were characterized by XRD, SEM and EDS......
(?H) and cohesive energy (Ecoh) of intermetallic compounds Al2Ca, Al4Ca and Mg2Ca 3.3 Cohesive energy The cohesive intensity and structural stability of crystal is correlation to its cohesive... structural stability. The total and partial DOSs of Al2Ca, Al4Ca primitive and Mg2Ca crystal cell per atom are shown in Figs.4(a), (b) and (c), respectively. It is found that the main bonding peaks between......
Structural evolution of Si-50%C powder during mechanical alloying and heat treatment TANG Wen-ming(汤文明), ZHENG Zhi-xiang(郑治祥), WU Yu-cheng(吴玉程), XU Guang-qing(徐光青), L? Jun(吕 珺), LIU Jun-wu(刘君武... powder is heat treated at 1 100 ℃ for 1 h, the grain size of β-SiC does not change, but the lattice ordering degree of β-SiC increases. Key words: SiC; mechanical alloying; structural evolution......
. The growth mechanism was discussed in terms of structural ledge observed by SEM, the surfaces of the structural ledges parallel to (001), (010) and (110) planes, respectively. The misfit between (110) and (001) planes is only 0.0021 on common atomic plane, and the interconnection of the structured ledge may occur during crystal growth. Key words:inorganic materials; lanthanum chromate; crystal growth......
Phase stability and structural distortion of NiO under high pressure ZHANG Wei-bing(张卫兵), HU Yu-lin(胡玉林), TANG Bi-yu(唐壁玉) Key Laboratory of Advanced Materials and Ryeological Properties of Ministry of Education, Department of Physics, Xiangtan University 411105, China Received 10 April 2006; accepted 25 April 2006 Abstract: The phase stability and structural distortion of NiO under high......
Identification of structural entities in NdF3-LiF melts with cryoscopic method HU Xian-wei(胡宪伟), WANG Zhao-wen(王兆文), GAO Bing-liang(高炳亮), SHI Zhong-ning(石忠宁), LIU Feng-guo(刘凤国), BAO Morigen... of NdF3. The value of activity coefficient of NdF3 is higher than 1, and that of LiF is lower than 1. Key words: structural entities; NdF3-LiF melts; cryoscopic method; liquidus temperature 1......
to disordered fcc structure after 4 h VBM. This structural transition from the lower crystal symmetry (tetragonal structure) to the higher crystal symmetry (cubic structure) should be attributed... Structural transition of Ni-Mn-Ga ferromagnetic shape memory alloy particles prepared by ball milling CHEN Feng(陈 枫), TIAN Bing(田 兵), LI Li(李 莉), ZHENG Yu-feng(郑玉峰) Center......
Effects of Na-substitution on structural and electronic properties of Li2CoSiO4 cathode material WU Shun-qing(吴顺情)1, ZHU Zi-zhong(朱梓忠)1, YANG Yong(杨 勇)2, HOU Zhu-feng(侯柱锋)3 1... was investigated by performing density functional theory calculations within the GGA+U framework. The effects of Na-substitution on the electronic structures and structural properties of Li2CoSiO4 were......
Synthesis and grain growth kinetics of in-situ FeAl matrix nanocomposites (Ⅱ): Structural evolution and grain growth kinetics of mechanically alloyed Fe-Al-Ti-B composite powder during heat...; Abstract: Morphological changes, structural evolutions and grain growth kinetics of mechanically alloyed(MAed) Fe50Al50, Fe42.5Al42.5Ti5B10......
Application of phase diagram calculations to development of new ultra-high temperature structural materials YANG Ying(杨 莹)1, B.P. Bewlay2, CHEN Shuang-lin(陈双林)1, Y.A. Chang3 1. CompuTherm LLC... with a balance of properties for high-temperature applications. Key words: intermetallics, phase diagram calculation; Mo-Si-B-Ti; Nb-Cr-Si-Ti; high temperature structural materials  ......