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Precision forging technologies for magnesium alloy bracket and wheel WANG Qiang(王 强)1, ZHANG Zhi-min(张治民)1, ZHANG Xing(张 星)1, YU Jian-min(于建民)2 1. College of Materials Science and Engineering...; Abstract: Fundamental investigations on precision forging technology of magnesium alloys were studied. As-cast billet prestraining and a new concept of hollow billet were proposed in order......
Co/Pt multilayer-based pseudo spin valves with perpendicular magnetic anisotropyShuai Liu1,Guang-Hua Yu1,Mei-Yin Yang2,Hai-Lang Ju1,Bao-He Li3,Xiao-Bai Chen31. School of Materials Science... Technology and Business University摘 要:Pseudo spin valves(SVs) exhibiting perpendicular magnetic anisotropy were prepared by magnetron sputtering. Magnetization......
Fracture behaviors of AZ80 magnesium alloy during multiple forging processes GUO Qiang(郭 强), YAN Hong-ge(严红革), CHEN Zhen-hua(陈振华), ZHANG Hui(张 辉) School of Materials Science and Engineering... magnesium alloy during multiple forging processes were investigated. The results show that the cracks firstly initiate at the Mg/Mg17Al12 interface under the hoop tensile stress on equatorial free surface......
). The oxidation state of Mn in ZnSe nanocrystal was found using electron spin resonance (ESR) spectrum. The room temperature luminescence measurements show the peaks corresponding to both bandgap of the material and Mn in ZnSe. Key words:Ⅱ-Ⅵ semiconductors; nanocrystalline materials; electron spin resonance; [全文内容正在添加中] ......
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RESEARCH ON THE WARM FORGING OF ALUMINUM ALLOYS:DEVELOPMENT OF A FORMULA TO DESCRIBE THE SOFTENING BEHAVIOR OF A2011 IN FORGING PROCESS X.H.Zhang1,X.Y.Ruan2 (1.Division of Mechanical Science..., China) Abstract:To understand the forming behaviour of aluminum alloys, the upsetting test of alu-minum alloys at evaluated temperature is conducted. Because in warm forging theflow stress decreases......
Forging process modeling of cone-shaped postsXuefeng Liu;Lingyun Wang;Li Zhang Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China College...="ChDivSummary"><正> Using the rigid visco-plastic Finite Element Method (FEM), the process of forging for long cone-shaped posts made ofaluminum alloys was modeled and the corresponding distributions......
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Magnetocrystalline anisotropy and spin reorientation transition of DyMn6Sn6 compound GUO Guang-hua(郭光华), QIN Jiang(秦 江), ZHANG Hai-bei(张海贝) School of Physics Science and Technology, Central...; Abstract: The spin-reorientation transition of intermetallic compound DyMn6Sn6 was investigated by applying the molecular field......
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