The effects of electrochemical polarization condition and applied potential on tribocorrosion behaviors of Inconel 690 alloys in water environment

被引：45

作者：

Li, J. ^{[1
]}

Yang, B. B. ^{[1
]}

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

Xin, L. ^{[1
]}

Wang, Z. H. ^{[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, Fracture & Reliabil Res Inst, Aoba Ku, 6-6-01, Sendai, Miyagi 9808579, Japan

来源：

MATERIALS & DESIGN | 2017年 / 119卷

关键词：

Nickel; Polarization; Fretting corrosion; Oxidation; GENERATOR TUBE MATERIALS; FRETTING WEAR BEHAVIOR; SUBSURFACE DEFORMATION; DAMAGE; ACID; WC;

D O I：

10.1016/j.matdes.2017.01.032

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The fretting corrosion behaviors of Inconel 690 in cathodic condition (CC) and anodic condition (AC) in water environment were investigated. The results indicated that fretting wear behavior, wear mechanism and the microstructure evolution mechanisms in the subsurface strongly depended on polarization condition. There was a thin wear debris layer (WDL) and a thick tribologically transformed structure (TTS) without oxidation in CC; while a thick oxidized WDL and a, thin complex ITS consisting of nanocrystalline Ni-rich and Cr-rich oxide zones was observed in AC. The micro-cracks formed at the interface of WDL/TTS in CC, while they formed at the interfaces of Ni-rich/Cr-rich oxide zones and TTS/GDL in AC. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：93 / 103

页数：11

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