The impact fretting corrosion behavior and damage mechanism of Inconel 690TT under different impact forces in high temperature pressurized water

被引：0

作者：

Bian, W. W. ^{[1
]}

Lu, Y. H. ^{[1
]}

Kang, L. Z. ^{[1
]}

Zhang, X. F. ^{[1
]}

Xin, L. ^{[1
]}

Shoji, T. ^{[1
,2
]}

机构：

[1] Univ Sci & Technol Beijing, Natl Ctr Mat Serv Safety, Beijing 100083, Peoples R China

[2] Tohoku Univ, New Ind Creat Hatchery Ctr, Frontier Res Initiat, 6-6-10 Aramaki Aoba,Aoba Ku, Sendai, Miyagi 9808579, Japan

来源：

CORROSION SCIENCE | 2024年 / 240卷

基金：

中国国家自然科学基金;

关键词：

Inconel; 690; TT; Impact fretting corrosion; Oxidation; Microstructure; SURFACE OXIDE-FILMS; WEAR BEHAVIOR; DYNAMIC RECRYSTALLIZATION; NANOLAMINATED STRUCTURE; ALLOY; 690TT; DEFORMATION; TUBES; SUPERALLOY; EVOLUTION; DIFFUSION;

D O I：

10.1016/j.corsci.2024.112507

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The impact fretting corrosion of Inconel 690TT under different impact forces was investigated. The results indicated that there was a competitive relationship between formation of third body layer (TBL) and fragmentation of TBL caused by impact force. With the increase of impact forces, damage mechanism changed from adhesive wear to delamination wear, and crack initiation sites gradually shifted from TBL to internal oxidation zone in tribologically transformed structure (TTS) layer. Nanocrystalline boundaries and defects induced by impact force provided channels for internal oxidation. The formation mechanism of TTS was the combined effect of continuous dynamic recrystallization (cDRX) and twin-assisted cDRX.

引用

页数：19

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