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
收藏
页数：17
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