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Taper barrel rheomoulding process for semi-solid slurry preparation and microstructure evolution of A356 aluminum alloy ZHANG Fan(张 帆), KANG Yong-lin(康永林), YANG Liu-qing(杨柳青), DING Rui-hua(丁瑞华... μm and the shape factor of above 0.8. Key words: taper barrel rheomoulding; semi-solid slurry preparation; microstructure evolution; A356 aluminum alloy 1 Introduction Since FLEMINGS et al[1......
Trans. Nonferrous Met. Soc. China 20(2010) s906-s910 Rheological behavior, microstructure and hardness of A356 aluminum alloy in semisolid state using backward extrusion process S... increases with the decrease of temperature and wall thickness. Key words: aluminum alloy A356; backward extrusion; semisolid forming; rheology 1 Introduction About 40 years ago, SPENCER et al[1] noticed......
Trans. Nonferrous Met. Soc. China 22(2012) s619-s623 Friction stir butt welding of A5052-O aluminum alloy plates Sung-Ook YOON1, Myoung-Soo KANG1, Hyun-Bin NAM1, Yong-Jai KWON1, Sung-Tae HONG2, Jin... (FSW) between A5052-O aluminum alloy plates with a thickness of 2 mm was performed. The rotation speeds of the welding tool were 2000 and 3000 r/min, respectively. The traverse speed was ranged from 100......
Microstructure evolution of 7050 aluminum alloy during hot deformation LI Jun-peng(李俊鹏), SHEN Jian(沈 健), YAN Xiao-dong(闫晓东), MAO Bai-ping(毛柏平), YAN Liang-ming(闫亮明) General Research...; Abstract: Hot compression of 7050 aluminum alloy was performed on Gleeble 1500D thermo-mechanical simulator at 350......
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Friction stir welding of 5052 aluminum alloy plates Yong-Jai KWON1, Seong-Beom SHIM2, Dong-Hwan PARK2 1. School of Materials Science and Engineering, University of Ulsan, Ulsan, Korea; 2...; Abstract: Friction stir welding between 5052 aluminum alloy plates with a thickness of 2 mm was performed......
DSC AND TEM STUDY OF ULTRA HIGH STRENGTH ALUMINUM ALLOY H.Ding1,Y.Zeng2,G.S.Xie3 (1.Material Department, Wuhan University, Wuhan 430072, China;2.Material Department, Central South University... aluminum alloy was investigated using DSC, TEM and SADP technology.The results show that the precipitation resulting from RRA is extremely fine and distributed homogeneously in the grains, being slightly......
Solidification crack susceptibility of aluminum alloy weld metals LIU Ren-pei(刘仁培)1, DONG Zu-jue(董祖珏)2, PAN Yong-ming(潘永明)2 1. College of Materials Science and Technology, Nanjing University... alloy is type B cracking model in which the strain rate has little effect on the deformation ability of the liquid film. Key word: aluminum alloy; weld metal; susceptibility; weldability......
Article ID: 1003-6326(2005)05-1026-05 Effect of Cu on microstructure and mechanical properties of 2519 aluminum alloy LI Hui-zhong(李慧中), ZHANG Xin-ming(张新明), CHEN Ming-an(陈明安), LIU Ying(刘 瑛... of 2519 aluminum alloy was investigated by means of tensile test, microhardness test, transmission electron microscopy, and scanning electron microscopy. The results show that when the content of Cu......