Failure assessment diagrams of semi-elliptical surface crack with constraint effect

被引：2

作者：

Lee, Hyungyil ^{[1
]}

Lee, Jin Haeng ^{[1
]}

Kim, Tae Hyung ^{[1
]}

机构：

[1] Sogang Univ, Dept Mech Engn, Seoul 121742, South Korea

来源：

PROGRESSES IN FRACTURE AND STRENGTH OF MATERIALS AND STRUCTURES, 1-4 | 2007年 / 353-358卷

关键词：

semi-elliptical surface crack; J-integral; T-Stress; line-spring finite element; constraint; failure assessment diagram and curve;

D O I：

10.4028/www.scientific.net/KEM.353-358.98

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

For accurate failure assessment, a second parameter like T-stress describing the constraint is needed in addition to the single parameter J-integral. In this work, selecting the structures of surface-cracked plate and pipe, we perform line-spring finite element modeling, and accompanying elastic-plastic finite element analyses. We then present a framework, which includes the constraint effects in the R6 FAD approach for failure assessment of cracked-structures.

引用

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页码：98 / 101

页数：4

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