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J. Cent. South Univ. Technol. (2011) 18: 165-170 DOI: 10.1007/s11771-011-0675-9 Calculation of optimal current density of double side permanent magnet linear synchronous motor JANG Ki-Bong... of design method considering a coil temperature to maximize the thrust density of a double side coreless permanent magnet linear synchronous motor (PMLSM) was presented. The optimal current density where......
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......
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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......
route, cyclic extrusion compression (CEC) and conventional compression were used to predeform as-cast AM60B, respectively. Partial remelting and thixoforming were also carried out within the semi-solid... remelting; cyclic extrusion compression; semi-solid state 1 Introduction Magnesium alloys are being increasingly used in electronics, automobile and aerospace industries because of their low density, high......
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......
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......
J. Cent. South Univ. (2020) 27: 1654-1665 DOI: https://doi.org/10.1007/s11771-020-4397-8 Microstructure and corrosion behavior of as-cast ADC12 alloy with rare earth Yb addition and hot extrusion...: The effects of rare earth ytterbium (Yb) addition and hot extrusion on the microstructure and corrosion behavior of as-cast ADC12 were studied by optical microscopy (OM), scanning electron microscopy......