共搜索到1440条信息，每页显示10条信息，共144页。用时：0小时0分0秒363毫秒
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......
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......
......
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......
......
......
Trans. Nonferrous Met. Soc. China 22(2012) 761-767 Dynamic recrystallization of Ti-6Al-2Zr-1Mo-1V in β forging process OUYANG De-lai1, 2, WANG Ke-lu1, CUI Xia1 1. School of Materials Science..., decreasing strain rate and increasing deformation temperature are found to facilitate the progress of DRX and refinement of grains in the Ti alloy in β forging process. Key words: dynamic......
J. Cent. South Univ. Technol. (2008) 15: 1-5 DOI: 10.1007/s11771-008-0001-3 Prediction of grain size for large-sized aluminium alloy 7050 forging during hot forming YI You-ping(易幼...; Abstract:A numerical approach for process optimization and microstructure evolution of lager-sized forging of aluminium alloy 7050 was proposed......
Finite element simulation on press forging of magnesium alloy AZ31 sheets ZHANG Shi-hong(张士宏)1, SUN Cheng(孙 成)1, WANG Zhong-tang(王忠堂)2 1. Institute of Metal Research, Chinese Academy of Sciences...; Abstract: Press forging......
