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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......
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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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......
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......
CO2 laser welding of 5A06 aluminum alloy plates with different thicknesses YU Shu-rong(余淑荣)1, 2, FAN Ding(樊 丁) 1, 2, XIONG Jin-hui(熊进辉)1, CHEN Jian-hong(陈剑虹)1, 2 1. State Key Laboratory... in TWB specimen. The weld microstructure shows extra-fine grains. Dendrite exists around weld fusion line and the equiaxed grains in the weld. Key words: aluminum alloy; laser welding; tailor welded......
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Dissimilar friction stir welding between 5052 aluminum alloy and AZ31 magnesium alloy YAN Yong(鄢 勇), ZHANG Da-tong(张大童), QIU Cheng(邱 诚), ZHANG Wen(张 文) School of Mechanical and Automotive... aluminum alloy; AZ31 magnesium alloy; microstructure evolution; mechanical property 1 Introduction Aluminum alloys are widely used in automotive, aerospace and ship industries due to the combination......
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