Fretting corrosion fatigue of Alloy 690 in high-temperature pure water

被引：26

作者：

Liao, Jiapeng ^{[1
,2
]}

Wu, Xinqiang ^{[1
]}

Tan, Jibo ^{[1
]}

Tang, Lichen ^{[3
]}

Qian, Hao ^{[3
]}

Xie, Yongcheng ^{[3
]}

机构：

[1] Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Liaoning Key Lab Safety & Assessment Tech Nucl Ma, Shenyang 110016, Liaoning, Peoples R China

[2] Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China

[3] Shanghai Nucl Engn Res & Design Inst, Shanghai 200233, Peoples R China

来源：

CORROSION SCIENCE | 2018年 / 133卷

基金：

中国国家自然科学基金;

关键词：

Alloy; SEM; Corrosion fatigue; Fretting corrosion; High-temperature corrosion; STEAM-GENERATOR TUBES; SURFACE OXIDE-FILMS; CREVICE CORROSION; STRESS-CORROSION; STAINLESS-STEEL; WEAR BEHAVIOR; NICKEL-ALLOYS; 304-STAINLESS-STEEL; ENVIRONMENTS; MECHANISM;

D O I：

10.1016/j.corsci.2018.01.037

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Fretting fatigue behavior of Alloy 690 in room-temperature (RT) air and high-temperature pure water was investigated under the condition of a normal load of 100 N. Fretting fatigue life in high-temperature water reduced by about 30% compared to that in RT air due to combined effects of high-temperature water and highly localized tangential stress. The main fatigue cracks were inclined to initiate in the crevice region along the contact edges in high-temperature water, but none was observed in RT air. Related mechanisms of fretting corrosion fatigue failure of Alloy 690 in high-temperature water are discussed.

引用

页码：423 / 431

页数：9

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