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Microstructure and properties of 7A52 Al alloy welded joint HUANG Ji-wu(黄继武)1, 2, YIN Zhi-min(尹志民)1, LEI Xue-feng(雷学锋)1, 3 1. School of Materials Science and Engineering, Central South University.... The solidification cracking isn’t observed. Key words: microalloying; Al alloy; welded joint; microstructure; mechanical properties ......
Effect of Scandium on Corrosion Resistance of Welded Joint of Al-6Mg-Zr Alloy Tao Binwu1,LI Songmei1,Liu Jianhua1 (1.School of Materials Science and Engineering, Beijing University of Aeronautics.... The microstructure of welded joints was investigated by using optical microscope and transmission electron micrograph (TEM). It is demonstrated that the welded joints of Al-6Mg-Sc-Zr alloy are more corrosion......
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Microstructure Evolution and Tensile Properties of Ti3Al/Ni-based Superalloy Welded JointBingqing Chen,Huaping Xiong,Bingbing Sun,Siyi Tang,Shaoqing Guo,Xuejun ZhangLaboratory of Welding and Forging... and a complex multi-element phase.The In718/weld interface is characterized by solid solutions of Ni,Cu,Cr,Fe and Nb.The average tensile strength of the as-welded joints at room temperature is 1 63 MPa......
STUDY ON DYNAMIC J-INTEGRAL OF MECHANICAL HETEROGENEOUS WELDED JOINT D.Zhang1,X.Y.Li2,F.Q.Tian1,Y.W.Shi2,D.Y.He2 (1.Institute of Composite Materials, Shanghai Jiaotong University, Shanghai 200030, China;2.School of Materials Science and Engineering, Beijing Polytechnic University, Beijing 100022, China) Abstract:Welded joint is a mechanical heterogeneous body, and mechanical heterogeneity has......
Effects of minor Sc on microstructure and mechanical properties of Al-Zn-Mg-Zr alloy welded joint XIAO Jing(肖静)1, YIN Zhi-min(尹志民)1, LEI Xue-feng(雷学锋)1, 2, JIANG Feng(姜锋)1, NIE Bo(聂波)1, 3, HE.... Mechanical tests were proceeded on Instron 8019 machine; the hardness test was measured perpendicularly to the welding direction on Brinell hardness press; microstructure feature of the welded joint......
. The inhomogeneity of microstructure within welded joint was formed due to the different microstructures of BM. By comparing microstructure details of the welded joint, including microstructure...Effect of Base Material on Microstructure and Texture Evolution of a Ti–6Al–4V Electron-Beam Welded JointG.Q.Wang1,2,Z.B.Zhao2,B.B.Yu2,J.R.Liu2,Q.J.Wang2,J.H.Zhang2,R.Yang2,J.W.Li31. School......
aerospace thermal cycling tests, the effect of thermal cycle on the void damage evolution mechanism of LF6 aluminum alloy welded joint was investigated. The results show that micro-voids form around... implemented with the finite element to describe the void damage evolution of the welded joint under thermal cycling conditions. Key words: aluminum alloy; welded joint; thermal stress; numerical......
Effect of Post Weld Heat Treatment on Microstructure and Fracture Toughness of Friction Welded Joint吴素君,HAN Bo,ZHAO Dalong,JI Yingping,SHAO LingSchool of Materials Science and Engineering,Beihang University摘 要:The effect of post weld heat treatment on the microstructure and fracture toughness of friction welded joints of Ti-6.5Al-1Mo-1V-2Zr alloy......
