Effect of preheating temperature on post-weld residual stress of dissimilar steel plates

被引：0
|
作者：
Fu, H. [1 ]
Xu, B. [1 ]
Xiao, Q. [2 ]
Li, S. [2 ]
Zhang, X. [3 ]
Bian, S. [3 ]
Kang, T. [4 ]
机构：
[1] College of Metallurgy and Energy, North China University of Science and Technology, Tangshan,Hebei, China
[2] Key Laboratory of metallurgical engineering, University of Science and Technology Liaoning, Anshan,Liaoning, China
[3] China
[4] 725 Research Institute of China, Shipbuilding Heavy Industry Group Corporation, China
来源：
Metalurgija | 2020年 / 59卷 / 02期
关键词：
Computer software - Welding - Numerical models - Preheating - Welds;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Based on the numerical simulation software Visual-Environment, the numerical calculation and analysis of residual stress field under different preheating temperatures for Q345/2Cr13 dissimilar plate welding were carried out in this paper. The effects of different preheating temperatures on post-weld residual stress were mainly studied. The results showed that different preheating temperatures have little effect on the lateral residual stress, while the longitudinal residual stress and the initial and end of the weld have greater impacts. For residual stress difference between the two base metals should not be too high, the dissimilar plate welding should adopt a moderate preheating temperature. © 2020, Faculty of Metallurgy. All rights reserved.
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页码：150 / 152
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