Fatigue crack growth and penetration behaviour in a pipe subjected to bending load

被引：0

作者：

Ahn, SH ^{[1
]}

Ando, K ^{[1
]}

Hidaka, A ^{[1
]}

机构：

[1] Yokohama Natl Univ, Yokohama, Kanagawa 240, Japan

来源：

ENGINEERING AGAINST FATIGUE | 1999年

关键词：

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：

A fatigue test has been carried out at room temperature in air on a carbon steel pipe which has a crack on its outer surface. Special attention was paid to crack growth rate, crack shape, fatigue life and crack opening displacement. A new equation was proposed for evaluating K after crack penetration. The main results obtained in this study were as follows: (1) before crack penetration, crack growth behaviour such as aspect ratio and leak life were evaluated using Newman-Raju's equation and proposed plate model; (2) after crack penetration, crack growth behaviour such as crack shape, fatigue life and crack opening displacement were evaluated using the equation and pipe model proposed in this paper.

引用

页码：73 / 82

页数：10

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