Fretting corrosion-induced microstructural evolution of Alloy 690TT tube in high temperature pressurised water

被引：11

作者：

Zhang, Yusheng ^{[1
,2
]}

Wu, Bin ^{[1
,2
]}

Ming, Hongliang ^{[1
,2
]}

Li, Yifeng ^{[3
]}

Zhang, Zhiming ^{[4
]}

Wang, Jianqiu ^{[1
,4
]}

Han, En-Hou ^{[1
,4
]}

机构：

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

[2] Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China

[3] Shanghai Univ, Instrumental Anal & Res Ctr, 99 Shangda Rd, Shanghai 200444, Peoples R China

[4] Inst Corros Sci & Technol, Guangzhou 510530, Peoples R China

来源：

CORROSION SCIENCE | 2022年 / 209卷

基金：

中国国家自然科学基金;

关键词：

Fretting corrosion; Alloy; 690TT; High temperature pressurised water; Oxidation; Microstructure; TRIBOLOGICALLY TRANSFORMED STRUCTURE; 405; STAINLESS-STEEL; NICKEL-BASE ALLOYS; WEAR BEHAVIOR; DYNAMIC RECRYSTALLIZATION; DELAMINATION THEORY; MECHANISM; AMORPHIZATION; AMPLITUDE; XPS;

D O I：

10.1016/j.corsci.2022.110774

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The friction-induced microstructural evolution of Alloy 690TT tubes submerged in a high temperature pres-surised water was investigated. Two typical local regions characterised by significantly different worn mor-phologies (resulting from the stress field and material couple) were investigated in detail. A thin third-body layer and a thick Fe-rich layer were observed and their oxidation behaviour was analysed. Moreover, the main oxide was spinel, whereas the amorphous band was only observed in the Fe-rich layer. The tribologically transformed structure is formed by the mechanism of discontinuous dynamic recrystallisation. Finally, the microstructural evolution of the two areas during fretting corrosion is discussed.

引用

页数：17

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