共搜索到2350条信息，每页显示10条信息，共235页。用时：0小时0分0秒832毫秒
Process optimization diagram based on FEM simulation for extrusion of AZ31 profile LIU Gang(刘 钢)1, ZHOU Jie(周 捷)2, J DUSZCZYK2 1. School of Materials Science and Engineering, Harbin Institute...: The ram speed and the billet temperature are the primary process variables that determine the quality of the extruded magnesium profile and the productivity of the extrusion operation. The optimization......
J. Cent. South Univ. (2019) 26: 2307-2317 DOI: https://doi.org/10.1007/s11771-019-4175-7 Forward hot extrusion forming process of 4-lobe aluminum alloy helical surface rotor XIA Feng(夏峰)1, LI Hui(李... and costly. To make the manufacturing processes more flexible and economical, the forward hot extrusion process is proposed to form the 4-lobe aluminum alloy helical surface rotors. In this work, we implement......
Damage prediction for magnesium matrix composites formed by liquid-solid extrusion process based on finite element simulation QI Le-hua(齐乐华)1,2, LIU Jian(刘 健)1, GUAN Jun-tao(关俊涛)1, SU Li-zheng(苏力... was proposed to predict the occurrence of hot shortness cracks and surface cracks in liquid-solid extrusion process. This method integrated the critical temperature criterion and Cockcroft & Latham......
FEM simulation of aluminum extrusion process in porthole die with pockets HE You-feng(和优锋), XIE Shui-sheng(谢水生), CHENG Lei(程 磊), HUANG Guo-jie(黄国杰), FU Yao(付 垚) State Key Laboratory... to investigate the effects of pockets in the porthole die on the metal flow, temperature at the die bearing exit and the extrusion load were contrasted with the traditional die design without the pockets......
......
Trans. Nonferrous Met. Soc. China 22(2012) 1028-1034 Microstructural evolution of AZ91 magnesium alloy during extrusion and heat treatment LI Jing-yuan1, XIE Jian-xin1, JIN Jun-bing2, WANG... evolution of AZ91 magnesium alloy was investigated during homogenizing annealing treatment, hot extrusion and ageing treatment, respectively. The results exhibited that both the divorced eutectic......
Effect of hot extrusion on microstructure and mechanical properties of quasicrystal-reinforced Mg-Zn-Y alloy ZHENG Ming-yi(郑明毅)1, QIAO Xiao-guang(乔晓光)1, XU Shi-wei(徐世伟)1, GAN Wei-min(甘为民)1, WU... distributes along the extrusion direction, and fine I-phase with nano-size is precipitated during the extrusion. The α-Mg matrix grains are refined due to recrystallization occuring during the hot......
Influence of hot extrusion on microstructure and mechanical properties of AZ31 magnesium alloy WANG Ling(王 岭), TIAN Su-gui(田素贵), MENG Fan-lai(孟凡来), DU Hong-qiang(杜洪强) 1. College of Materials Science and Engineering Shenyang University of Technology, Shenyang 110023, China; Received 28 July 2006; accepted 15 September 2006 Abstract: Extrusion treatment is a common method to refine......
Interfacial study of semi-solid aluminum alloy andstainless steel sheathed extrusion LIU Hong-wei(刘洪伟)1, GUO Cheng(郭 成)1, LIU Xu-feng(刘旭峰)2, SHAO Guang-jie(邵光杰)2 1. School of Mechanical... 2006 Abstract: Using sheathed extrusion technique, the bonding and forming of semi solid aluminum alloy with stainless steel sheath are successfully realized. The relationship between the interfacial......
J. Cent. South Univ. (2012) 19: 882-886 DOI: 10.1007/s11771-012-1087-1 Casting-cold extrusion of Al/Cu clad composite by copper tubes with different sketch sections LUO Jun-ting(骆俊廷)1, ZHAO Shuang... Railway Vehicle Co., Ltd., Tangshan 063035, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2012 Abstract: Casting–cold extrusion technology was presented to fabricate......
