Effect of Strength Matching Performance on J-integral of Inhomogeneous Welded Joints

被引：1
|
作者：
Sun, Changqing [1 ]
Zhang, Chen [1 ]
He, Bo [2 ]
机构：
[1] Shenyang Inst Engn, Dept Mech Engn, Shenyang 110136, Liaoning, Peoples R China
[2] Shenyang Aerosp Univ, Mech & Elect Engn Coll, Shenyang 110136, Liaoning, Peoples R China
来源：
ADVANCED MANUFACTURING TECHNOLOGY, PTS 1-4 | 2012年 / 472-475卷
基金：
中国国家自然科学基金;
关键词：
Welded Joint; J-integral; Finite Element Method; Inhomogeneous;
D O I：
10.4028/www.scientific.net/AMR.472-475.1267
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, J-integral of inhomogeneous welded joint is calculated by use of the combination of finite element method and virtual crack extension method, and the impact of strength matching on J-integral is studied as well. The analysis results show that the strength matching factor affects J-integral value greatly, that is, low matching of inhomogeneous welded joint of same steel can help to improve the ductility of the welded joint and the influence of the matching performance of dissimilar steel welded joint is more complex.
引用
收藏
页码：1267 / +
页数：2
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