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REDISTRIBUTION OF IMPURITY ATOMS AI, Si, Mn AND Cu IN Ni DURING LASER MELTING

ZHENG Ling , Chongqing Institute of Communications , Chongqing , ChinaZOU Zhirong , LIU Jianglong , Chongqing University , Chongqing , China ZHENG Ling , Lecturer , Department of Mechanical Engineering , Chongqing Institute of Communications , Chongqing 630074 , China

金属学报(英文版)

An explanation of the redistribution of impurity atoms such as Al, Si, Mn and Cu in pure nickel during low speed laser melting is made by one-dimensional analysis model for heat transfer. The solid-liquid interface solute redistribution seems to be the principal cause that makes the impurity atoms r...

关键词: Ni , null , null , null

SIMULATON ON WELDING PROCESS OF T - JOINTS

H. Y. Zhao , A. L. Lu , Q. Y. Shi and F. Yan (Welding Division , Department of Mechanical Engineering , Tsinghua University , Beijing 100084 , China)

金属学报(英文版)

T-joints are widely used in ship manufacturing and other welding structures.The welding residual stress and deformation hare significant influence on failure and service life in welding structures.By us- ing of 3D thermal elasto - plastic FEM, the temperature fields,stress fields and deformation ...

关键词: welding , null , null , null , null

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