Corrosion Fatigue Crack Growth Behavior of Alloy 690 in High-Temperature Pressurized Water

被引：6
|
作者：
Chen, Kai [1 ]
Du, Donghai [1 ]
Zhang, Lefu [1 ]
Andresen, Peter L. [2 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Nucl Sci & Engn, Shanghai 200240, Peoples R China
[2] GE Global Res, One Res Circle CE 2513, Schenectady, NY 12309 USA
来源：
CORROSION | 2017年 / 73卷 / 06期
关键词：
Alloy; 690; corrosion fatigue; crack growth rate; modeling; orientation; threshold stress intensity; AUSTENITIC STAINLESS-STEELS; REACTOR CONDITIONS; ENVIRONMENT; HYDROGEN; IRON;
D O I：
10.5006/2324
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Corrosion fatigue crack growth behavior of Alloy 690 was investigated in air and high-temperature pressurized water environments. The stress intensity factor amplitude threshold (Delta K-th) was obtained, and the effects of stress intensity factor (Delta K), cyclic frequency (f), loading ratio (R), and material orientation on the corrosion fatigue crack growth rates were studied. The observed environmental acceleration on corrosion fatigue crack growth was quantitatively analyzed, and an empirical formula and the Ford-Andresen model were utilized to describe and explain the corrosion fatigue behavior of Alloy 690.
引用
收藏
页码：724 / 733
页数：10
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