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Research on Mediate Temperature Decomposition of High Nitrogen Austenite HU Ming-juan1,LI Xiao-ling1,BEI Duo-hui1,ZHU Zu-chang1 (1.School of Material Science and Engineering, Shanghai Jiao Tong... are composed of highly dispersed α-Fe and γ-Fe4N, with both of them maintaining nanometer scale. The micro-hardness of them can be as high as900HV. 关键词:high nitrogen austenite; mediate temperature......
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Microstructure and performance of Al-Si alloy with high Si content by high temperature diffusion treatment XIU Zi-yang (修子扬), CHEN Guo-qin(陈国钦), WANG Xiao-feng(王晓峰), WU Gao-hui(武高辉), LIU Yan-mei... high temperature diffusion treatment (HTDT). Flat Si-Al interfaces transform to smooth curves, and Si phases precipitate in Al and Si-Al interface. The bonding of Si-Al interface is improved by HTDT......
Size effect of sandstone after high temperature under uniaxial compressionSU Hai-jian(苏海健)1, JING Hong-wen(靖洪文)1, MAO Xian-biao(茅献彪)1, ZHAO Hong-hui(赵洪辉)1, YIN Qian(尹乾)1, WANG Chen(王辰)2(1. State Key... of Mining & Technology, Beijing 100083, China)Abstract:Uniaxial compression tests on sandstone samples with five different sizes after high temperature processes were performed in order to investigate......
Effect of temperature on high temperature plasticity of 95W-5(Ni/Fe/Co) alloyWANG Er-de(王尔德), FANG Wen-bin(房文斌), HU Lian-xi(胡连喜), YU Yang(于 洋)(School of Materials Science and Engineering, Harbin... is beyond 1100℃, the fracture occurs at the interface entirely.Key words:tungsten alloy; mechanical property; high temperature plasticity; temperature......
STUDY ON TEMPERATURE FIELD INDUCED IN HIGH FREQUENCY INDUCTION HEATING Z.Q. Yao1,J. Hu1,Y.J. Shi1,H. Shen1 (1.School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200030, China) Abstract:A mathematical model was established for the temperature field developed during high frequency induction heating (HFIH) by Maxwell''s equations. It required solving the coupled equations......
High temperature dephosphorization behavior of monazite concentrate with charred coal XING Peng-fei(邢鹏飞), ZHUANG Yan-xin(庄艳歆), TU Gan-feng(涂赣峰), GUO Jing(郭 菁) School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China Received 17 December 2009; accepted 27 April 2010 Abstract: Dephosphorization behavior of monazite concentrate with charred coal at high temperature......
Effect of Zr Addition on Resistance to High Temperature Softening and Resistivity of 6082 Al-Mg-Si Alloys SHAO Guang-jie1,SUN Bao-liang2,ZHANG Pei-pei1,LI Jing1,JIN Man1 (1.Material Science Department, Shanghai University, 200072, Shanghai, China;2.Shanghai Huizhong Automotive Manufacturing Co., Ltd. Shanghai, China) 摘要:The influence of zirconium on the resistance to high temperature softening......
CREEP CRACK GROWTH BEHAVIOR OF ALLOY 718 DURING HIGH TEMPERATURE EXPOSURE Y.P.Zeng1,X.S.Xie1,J.X.Dong1,M.C.Zhang1 (1.Department of Material Science, University of Science and Technology Beijing... crack growth rate(CCGR) was investigated after high temperature exposure at 593, 650 and 677℃ for 2000h inAlloy 718. In addition to the coalescence of γ''/ γ" and the amount increasing of δ phase......
Preparation of Nano-sized Zirconium Carbide Powders through a Novel Active Dilution Self-propagating High Temperature Synthesis Method达奥运1,龙飞2,WANG Jilin2,XING Weihong1,WANG Yang1,ZHANG Fan1,王为民1,FU... a developed chemical active dilution self-propagating high-temperature synthesis(SHS) method assisted by ball milling pretreatment process using traditional cheap zirconium dioxide powder(ZrO2......
