共搜索到7353条信息，每页显示10条信息，共736页。用时：0小时0分0秒365毫秒
Preparation of nanoscaled yttrium oxide by citrate precipitation method陈金清1,黄彬1,2,黄超1,2,孙晓琦21. School of Metallurgy and Chemical Engineering,Jiangxi University of Science & Technology2. Xiamen Institute of Rare Earth Materials,Haixi Institute,Chinese Academy of Sciences摘 要:The nano-Y2O3 was prepared from YCl3 by the citrate precipitation method......
类号:O643.12 文献标识码:A Mechanism of homogeneous nucleation in supersaturated sodium aliminate solutions ZHANG Li-chuan, CHEN Qi-yuan, YIN Zhou-lan (College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China) Abstract: The homogeneous nucleation induction period of synthetic, optically clear caustic aluminate......
a homogeneous nucleation and growth. It is suggested that the precipitation of the G.P zones is independent on the dislocation and the dislocation cell structures in 2024 aluminum alloy. As can be seen in Fig.6... Effect of large cold deformation after solution treatment on precipitation characteristic and deformation strengthening of 2024 and 7A04 aluminum alloys NING Ai-lin(宁爱林)1, 2, LIU Zhi-yi(刘志义)1......
homogeneous precipitation between aluminum sulfate and urea, was studied. Mechanism of the very light boehmite precipitation process was also analyzed. The results show that with the appropriate..., LI Hui-quan, ZHANG Yi. The effect of Al3+ concentration on the properties of boehmites synthesized by hydrothermal homogeneous precipitation method[J]. Journal of Functional Materials, 2004, 35(6......
Aging Precipitation Characterics of Lead Frame Cu-Cr-Zr-Mg Alloy LI He-jun1,KANG Bu-xi2,DONG Qi-ming2,LIU Ping2,SU Jua-hua2 (1.Northwestern Polytechnical University, Xi'an China;2.Henan University..., 73%IACS and 106HV, 76%IACS, respectively. Aging precipitation was dealt with by transmission electronic microscope (TEM). At 470℃ aging for 4h the fine precipitation of an ordered compound CrCu2(Zr, Mg......
Preparation of homogeneous ZnO nanoparticles via precipitation-pyrolysis with Zn5(CO3)2(OH)6 as precursor HAN Yue-xin(韩跃新), DING Ya-zhuo(丁亚卓), YIN Wan-zhong(印万忠), MA Zheng-xian(马正先) College of Resource and Civil Engineering, Northeastern University, Shenyang 110004, China Received 24 October 2005; accepted 20 March 2006 Abstract: ZnO nanoparticles were synthesized via precipitation......
MODELING OF STRAIN-INDUCED PRECIPITATION KINETICS IN Nb MICROALLOYED STEELS D. Wu1,C.M. Li2,X.G. Zhou1,Z.Li3,Z.Y. Liu1 (1.State Key Lab. of Rolling and Automation, Northeastern University, Shenyang...:On the basis of the thermodynamic calculation of precipitation and considering the effect of strain on the precipitation behavior and chemical composition (Si and Mn), the kinetics of precipitation......
Interactions between cadmium and multiple precipitates in an Al-Li-Cu alloy: Improving aging kinetics and precipitation hardeningLiang Wu1,2,Yugang Li2,Xianfeng Li1,Naiheng Ma1,2,Haowei Wang1,21...">This work demonstrates significant improvements in both the aging kinetics and precipitation hardening of an Al-Li-Cu alloy with the minor addition of Cd(0.06 at.%). The precipitation hardening effect......
precipitates at grain boundaries are the main precipitation strengthening phases in this steel. Among them Cu-rich phase is the most important strengthening phase. Homogeneous distribution of very...Strengthening effect of Cu-rich phase precipitation in 18Cr9Ni3CuNbN austenitic heat-resisting steelChengyu CHI 1) , Hongyao YU 1) , Jianxin DONG 1) , Xishan XIE 1) , Zhengqiang CUI 2) , Xiaofang......
