Corrosion of high-strength steel in 3.5% NaCl solution under hydrostatic pressure: Understanding electrochemical corrosion with tensile stress coupling

被引：20

作者：

Liu, Rui ^{[1
]}

Song, Yushan ^{[1
]}

Cui, Yu ^{[2
]}

Meng, Fandi ^{[1
]}

Liu, Li ^{[1
]}

Wang, Fuhui ^{[1
]}

机构：

[1] Northeastern Univ, Shenyang Natl Lab Mat Sci, 3-11 Wenhua Rd, Shenyang 110819, Peoples R China

[2] Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Wencui Rd 62, Shenyang 110016, Peoples R China

来源：

CORROSION SCIENCE | 2023年 / 219卷

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

Deep-sea corrosion; Hydrostatic pressure; Stress corrosion; High strength steel; LOCALIZED CORROSION; PITTING CORROSION; DOUBLE-LAYER; STAINLESS-STEEL; BEHAVIOR; ALLOY; MODEL; CR; NI; CAPACITANCE;

D O I：

10.1016/j.corsci.2023.111204

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Early corrosion of Ni-Cr-Mo-V high strength steel under hydrostatic pressure and tensile stress was investigated by microstructure characterization and electrochemical measurements. The main results show that plastic deformation has a double effect: -similar to the effect of hydrostatic pressure, the anodic current increases due to changes of the electrical double layer. This increase in current can be calculated by Gutman's theory; -the other effect is to damage the corrosion film coherent with the steel matrix. This synergism between plastic deformation and hydrostatic pressure further promotes the corrosion of Ni-CrMo-V alloy.

引用

页数：11

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