The simulation of residual stresses in friction stir welds

被引：10
|
作者：
Zhang, Zhao [1 ]
Zhang, Hongwu [1 ]
机构：
[1] Dalian Univ Technol, Dept Engn Mech, State Key Lab Struct Anal Ind Equipment, Dalian 116024, Peoples R China
来源：
JOURNAL OF MECHANICS OF MATERIALS AND STRUCTURES | 2007年 / 2卷 / 05期
关键词：
friction stir welding; residual stress; finite element method; energy dissipation;
D O I：
10.2140/jomms.2007.2.951
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A numerical model is developed to investigate energy dissipations and residual stress distributions in friction stir welds. Results indicate that the maximum longitudinal residual stress can be increased with the increase of the translational velocity of the pin. But the variation of the angular velocity of the pin does not significantly affect the residual stress distributions. Energy dissipation in friction is increased with the increase of the angular velocity of the pin. However, with the increase of the translational velocity of the pin the plastic dissipation of energy is increased and the frictional dissipation is decreased.
引用
收藏
页码：951 / 964
页数：14
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