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Constitutive description of casting aluminum alloy based on cylindrical void-cell model CHEN Bin(陈 斌)1, PENG Xiang-he(彭向和)1, ZENG Xiang-guo(曾祥国)2, WU Xin-yan(吴新燕)1, SUN Shi-tao(孙士涛)1 1... of notched cylindrical specimens of casting aluminum alloy A101. The computed results show good agreement with experimental data. Key words: aluminum alloy; cylindrical void; void evolution; elastoplasticity......
J. Cent. South Univ. (2012) 19: 2081-2085 DOI: 10.1007/s11771-012-1248-2 Underwater friction stir welding of ultrafine grained 2017 aluminum alloy WANG Kuai-she(王快社), WU Jia-lei(武佳蕾), WANG Wen(王文... and Springer-Verlag Berlin Heidelberg 2012 Abstract: 2017 aluminum alloy plates with an ultrafine grained (UFG) structure were produced by equal channel angular processing (ECAP) and then were joined......
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6063铝合金接触反应钎焊接头组织及晶界渗透行为研究 浦娟1,吴铭方1,袁媛1 (1.江苏科技大学,先进焊接技术省级重点实验室,江苏,镇江,212003) 摘要:采用Cu箔及Cu箔-Mg粉-Cu箔作为反应层材料,在特定的工艺参数条件下,对6063铝合金进行了真空接触反应钎焊试验,初步分析探讨了钎缝微观组织结构和晶界渗透现象.研究结果表明,单层Cu箔形成的钎缝组织由α-Al固溶体和CuAl2金属间化合物构成,晶界渗透现象较为严重;使用Cu箔-Mg粉-Cu箔形成的接头组织由Al(Mg,Cu)固溶体,CuAl2二元金属间化合物,复杂三元金属间化合物及Al2MgO4构成,接触反应层中加入Mg粉,晶界渗透出现滞后现象. 关键词:6063铝合金; 接触反应钎焊; 组织; 晶界渗透; [全文内容正在添加中] ......
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......