New understanding of the effect of hydrostatic pressure on the corrosion of Ni-Cr-Mo-V high strength steel

被引：110

作者：

Yang, Yange

Zhang, Tao ^{[1
]}

Shao, Yawei

Meng, Guozhe

Wang, Fuhui

机构：

[1] Harbin Engn Univ, Minist Educ, Corros & Protect Lab, Key Lab Superlight Mat & Surface Technol, Harbin 150001, Peoples R China

来源：

CORROSION SCIENCE | 2013年 / 73卷

关键词：

Low alloy steel; SEM; Weight loss; 316L STAINLESS-STEEL; SEA-WATER; STOCHASTIC-PROCESSES; STRESS-CONCENTRATION; PITTING CORROSION; METAL CORROSION; TENSILE-STRESS; PIT GENERATION; BEHAVIOR; ALUMINUM;

D O I：

10.1016/j.corsci.2013.04.013

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Corrosion of Ni-Cr-Mo-V high strength steel at different hydrostatic pressures is investigated by scanning electron microscopy (SEM) and finite element analysis (FEA). The results indicate that corrosion pits of Ni-Cr-Mo-V high strength steel originate from inclusions in the steel and high hydrostatic pressures accelerate pit growth rate parallel to steel and the coalescence rate of neighbouring pits, which lead to the fast formation of uniform corrosion. Corrosion of Ni-Cr-Mo-V high strength steel under high hydrostatic pressure is the interaction result between electrochemical corrosion and elastic stress. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：250 / 261

页数：12

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