Characterization of stress corrosion crack growth in austenitic stainless steel under variable loading in small- and large-scale yielding conditions

被引：9

作者：

Fujii, Tomoyuki ^{[1
]}

Tohgo, Keiichiro ^{[1
]}

Kawamori, Motohiro ^{[1
]}

Shimamura, Yoshinobu ^{[1
]}

机构：

[1] Shizuoka Univ, Dept Mech Engn, Naka Ku, 3-5-1 Johoku, Hamamatsu, Shizuoka 4328561, Japan

来源：

ENGINEERING FRACTURE MECHANICS | 2019年 / 205卷

关键词：

Stress corrosion cracking; Crack growth; Fracture mechanics; Stress intensity factor; J integral; QUANTITATIVE PREDICTION; MODEL;

D O I：

10.1016/j.engfracmech.2018.11.020

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

To investigate the factors that influence stress corrosion crack growth, crack growth testing was conducted using type 304 stainless steel in a tetrathionate solution under various applied stress intensity factors in small- and large-scale yielding conditions. The crack growth rate increased with increasing equivalent stress intensity factor, as defined by the J integral, and its gradient, and we found that the crack growth could be characterized by these values. Then, we developed an equation to evaluate the crack growth as a function of equivalent stress intensity factor and its gradient.

引用

页码：94 / 107

页数：14

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