共搜索到7683条信息,每页显示10条信息,共769页。用时:0小时0分0秒375毫秒
Study on Aging Kinetics of CuNiSi Alloy ZHAO Dong-mei1,LEI Jing-guo1,LIU Ping1,JING Xiao-tian2 (1.School of Materials Science and Engineering, Henan University of Science & Technology,Luoyang 471003, China;2.School of Materials Science and Engineering,, Xi'an University of Technology, Xi'an 710048, China) 摘要:Precipitation behavior of the early aging stage and the transformation kinetics were......
Isothermal Aging Kinetics in CuZnAl Shape Memory AlloyZengqi ZHAO Lab.of Physics,Baotou Research Institute of Rare Earth,Baotou,014010,ChinaFeixia CHEN Dazhi YANG Dept.of Mater.Eng.,Dalian University... aging kinetics fits in Avrami equation and thetime exponent n decreases with the increase in aging temperature.The apparent activation energyfor the isothermal aging process was measured......
......
......
microstructure and properties of ZA-27/aluminite metal matrix composites. They indicated that the aging and precipitation kinetics in the matrix alloy are significantly accelerated due to the presence... Aging microstructural characteristics of ZA-27 alloy and SiCp/ZA-27 composite LI Zi-quan(李子全), ZHOU Heng-zhi(周衡志), LUO Xin-yi(骆心怡), WANG Tao(汪 涛), SHEN Kai(沈 凯) College of Materials......
conditions: (a) As-cast; (b) Cast-T4 (500 ℃, 6 h); (c) Extruded-T5 (225 ℃, 24 h) 3.2 Aging kinetics of extruded specimens The investigated alloy is one of the magnesium alloy series that can... hardness. Fig.2 shows the aging kinetics of the investigated alloys at 200, 225 and 250 ℃. The aging response of investigated alloy is quick and marked. A small difference of aging response was observed......
Effects of electric field treatment on microstructures ofGH4199 superalloy after long-term aging LIU Yang(刘 杨)1, WANG Lei(王 磊)1, WANG Shuai(王 帅)1,QIAO Xue-ying(乔雪璎)2, WANG Yan-qing(王延庆)2 1. Key... Received 28 July 2006; accepted 15 September 2006 Abstract: The effects of electric field intensity and treatment temperature on the microstructures of GH4199 superalloy after long-term aging were......
, and the microstructure of samples after aging and the precipitate kinetics during the process were systematically studied using transmission election microscopy (TEM). Two main strengthening precipitates θ′ (Al2Cu) and T1... J. Cent. South Univ. (2020) 27: 1168-1175 DOI: https://doi.org/10.1007/s11771-020-4357-3 Creep behavior and mechanical properties of Al-Li-S4 alloy at different aging temperatures ZHOU Chang(周畅)1......
the alloy and composites, and the age-hardening kinetics becomes faster as the aging temperature increases. Under experimental temperatures, the time to achieve the maximal hardness is shorter... Aging behavior of AlNp/2024Al composites fabricated by squeeze casting WU Gao-hui(武高辉)1, CHEN Guo-qin(陈国钦)1, JIANG Long-tao(姜龙涛)1, LUAN Bai-feng(栾佰峰)1, N. KONO2, T. HAITANI2 1. School......
by adding certain thermal noise, then, thermal noise is removed, and the system spontaneously selects kinetics paths. The pre-aging temperature effects on the precipitation mechanism... Microscopic phase-field simulation for precipitation behavior of Ni-Al-Cr alloy during two-step aging ZHANG Ji-xiang(张济祥), CHEN Zheng(陈 铮), LIANG Min-jie(梁敏洁), WANG Yong-xin(王永欣), LAI Qing......