ESTIMATION OF STRESS INTENSITY FACTORS DUE TO WELDING RESIDUAL STRESSES FOR CIRCUMFERENTIALLY CRACKED PIPES

被引：0

作者：

Oh, Chang-Young ^{[1
]}

Kim, Ji-Soo ^{[1
]}

Kim, Yun-Jae ^{[1
]}

Oh, Young-Jin

Lee, Kyoungsoo

Lee, Sung-Ho

机构：

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

来源：

PROCEEDINGS OF THE ASME PRESSURE VESSELS AND PIPING CONFERENCE, PVP 2012, VOL 6, PTS A AND B | 2012年

关键词：

stress intensity factor; weld residual stress; cracked pipe; stress corrosion cracking;

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper proposes a simple method to estimate stress intensity factors due to welding residual stresses. In this study, finite element analyses for circumferentially cracked pipe are performed to calculate stress intensity factors. Four cracked geometries and two types of weld geometry are considered. K-I-solutions for the nonlinear stress distribution on the crack face were determined in accordance with codes and standards. The results are compared with XI-solutions from finite element results. It is found that proposed simple method agrees well with FE results.

引用

页码：63 / 72

页数：10

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