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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......
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... alloy; exfoliation corrosion; welded joint; rare earths; [全文内容正在添加中] ......
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... was welded by means of TIG using Al- 6.3Mg-0.35Sc-0.1Zr-0.1Cr solder wire. Mechanical properties and microstructures of welded joint were studied......
fatigue crack initiation characteristics of Al-Zn-Mg alloy welded joint, notched specimens were used in fatigue test for the base metal, welding bead and heat affected zone (HAZ). The fatigue fracture... life (Nf) for the base metal, welding bead and HAZ of A7N01 aluminium alloy welded joint are 26.32%, 40.21% and 60.67%, respectively. Fatigue crack initiation life can be predicted using a uniform......
Simulation of hydrogen diffusion in welded joint of X80 pipeline steelYAN Chun-yan(严春妍)1, LIU Cui-ying(刘翠英)2, ZHANG Gen-yuan(张根元)1(1. College of Mechanical and Electrical Engineering, Hohai University, Changzhou 213022, China;2. School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China)Abstract:Hydrogen diffusion coefficients of different regions in the welded joint......
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......
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of a Ti–6Al–4V electron-beam welded joint was investigated. Meanwhile, the crystallographic orientation of prior b grains was studied by advanced electron backscattered diffraction data processing. 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......
Transition and fracture shift behavior in LCF test of dissimilar welded joint at elevated temperatureXiongfei Wang1,Chendong Shao1,Xia Liu2,Fenggui Lu11. Shanghai Key Laboratory of Materials Laser...="ChDivSummary" name="ChDivSummary">This work focused on the low-cycle fatigue(LCF) behavior of modified 9Cr/CrMoV dissimilar welded joint at elevated temperature. Narrow gap submerged arc welding(NG-SAW......
Joint performance of laser-TIG double-side welded 5A06 aluminum alloy CHEN Yan-bin(陈彦宾), MIAO Yu-gang(苗玉刚), LI Li-qun(李俐群), WU Lin(吴 林) State Key Laboratory of Advanced Welding Production... of the welds of laser-TIG double-side welded 5A06 aluminum alloy was investigated. The results show that the weld cross-sectional shape has an intimate relation with the mechanical properties......
