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Microstructure evolution and effect on mechanical property in AZ80 Mg alloy during thermal processing WANG Qiang(王 强), ZHANG Zhi-min(张治民), LI Bao-cheng(李保成), LI Xu-bin(李旭斌) College of Materials... investigated during thermal processing. The samples of 4 mm in thickness machined from cast ingot were compressed at 300 ℃ with a thickness reduction of 75% and cooled in the water to room temperature......
Pressureless infiltration processing and thermal properties of SiCp/Al composites with high SiC particle content ZHOU Xian-liang(周贤良), ZOU Ai-hua(邹爱华), HUA Xiao-zhen(华小珍), ZHANG Jian-yun(张建云..., SiCp/ZL101, SiCp/ZL102 composites with SiCp volume fraction of 55% were fabricated by pressureless infiltration. The microstructure was examined and thermal properties were characterized for SiCp/Al......
Processing map for hot working of SiCp/7075 Al composites M. RAJAMUTHAMILSELVAN1, S. RAMANATHAN1, R. KARTHIKEYAN2 1. Department of Manufacturing Engineering, Annamalai University... aluminium alloy reinforced with 10% of SiC particles was studied by employing both ‘‘processing maps’’ and microstructural observations. The composite was characterized by employing optical microscope......
Hot deformation and processing maps of titanium matrix composite WANG Rui-ning(王蕊宁)1, 2, XI Zheng-ping(奚正平)2, ZHAO Yong-qing(赵永庆)2, QI Yun-lian(戚运莲)2 1. School... was described by the hyperbolic sine constitutive equation, and an average activation energy of 436.72 kJ/mol was calculated. The processing maps were calculated and analyzed according to the dynamic......
Fabrication of carbon nanotubes reinforced AZ91D composites by ultrasonic processing LIU Shi-ying(刘世英)1, 2, GAO Fei-peng(高飞鹏)1, 2, ZHANG Qiong-yuan(张琼元)1, 2, ZHU Xue(朱 雪)1, 2, LI Wen-zhen(李文珍)1, 2 1. Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China; 2. Key Laboratory for Advanced Materials Processing Technology of Ministry of Education, Tsinghua University......
was carried out by thermal mechanical simulator in the temperature range of 1 050-1 140 ℃ at strain rates of 0.01-10 s-1 and engineering strain of 50%. A processing map was developed on the basis... Hot deformation of spray formed nickel-base superalloy using processing maps KANG Fu-wei(康福伟)1, 2, ZHANG Guo-qing(张国庆)3, LI Zhou(李 周)3, SUN Jian-fei(孙剑飞)1 1. School of Materials Science......
Processing parameters for Cu nanopowders prepared by anodic arc plasma WEI Zhi-qiang(魏智强)1, 2, XIA Tian-dong(夏天东)2, MA Jun(马 军)1, FENG Wang-jun(冯旺军)1, DAI Jian-feng(戴剑锋)1, WANG Qing(王 青)1, YAN... by anodic arc discharging plasma method with home-made experimental apparatus. The effects of various processing parameters on the particle size of Cu nanopowders were investigated in the process......
SIMULATION OF TEMPERATURE AND THERMAL STRESS FIELD IN LASER MILLING PROCESSING X.Y.Zeng1,C.S.Ge2,G.F.Yuan1 (1.State Key Laboratory of Laser Technology, Huazhong University of Science and Technology, Wuhan 430074, China;2.Anhui Institute of Architecture and Industry, Hefei 230022, China) Abstract:The physical model of temperature field and thermal stress field are established in this paper......
Effect of thermal processing on microstructure and mechanical properties of AZ80 magnesium alloy XU Hong-yan(徐宏妍)1, 2, WANG Qiang(王 强)2, ZHANG Zhi-min(张治民)2 1. National Key... by the adoption of isothermal plain strain compression experiment. The results show that thermal compression processing can refine the grain size and the tensile strength of all the deformed AZ80 magnesium......
Thermal stability and curing kinetics of polycarbosilane fibers ZHENG Chun-man (郑春满), LI Xiao-dong (李效东), WANG Hao (王 浩), ZHU Bin(朱 冰) (State Key Laboratory of New Ceramic Fibers and composites...; Abstract: Thermal stability and curing kinetics of polycarbosilane (PCS) fibers were studied by thermogravimetry (TG), Fourier transform infrared spectroscopy(FT-IR). Curing......