A Study on Atmospheric Corrosion of 304 Stainless Steel in a Simulated Marine Atmosphere

被引：30

作者：

Lv, Wangyan ^{[1
]}

Pan, Chen ^{[2
]}

Su, Wei ^{[1
]}

Wang, Zhenyao ^{[2
]}

Liu, Shinian ^{[1
]}

Wang, Chuan ^{[2
]}

机构：

[1] Guangdong Power Grid Corp, Elect Power Res Inst, Guangzhou 510080, Guangdong, Peoples R China

[2] Chinese Acad Sci, Inst Met Res, Environm Corros Ctr, Shenyang 110016, Peoples R China

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2015年 / 24卷 / 07期

基金：

中国国家自然科学基金;

关键词：

atmospheric corrosion; EIS; pitting corrosion; stainless steel; STAINLESS-STEEL; PITTING CORROSION; PASSIVE FILM; BEHAVIOR; INCLUSIONS; EXPOSURE;

D O I：

10.1007/s11665-015-1544-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The atmospheric corrosion behavior of 304 stainless steel in a simulated marine atmosphere has been investigated using scanning electron microscope, optical microscope, x-ray photoelectron spectroscopy (XPS), and electrochemical measurements. The experimental results indicate that the main corrosion type of 304 stainless steel in a simulated marine atmosphere is pitting corrosion and the initiation of pits is associated with the dissolution of MnS inclusion. The maximum pit depth of 304 stainless steel increased in linear relationship with the extension of corrosion time. XPS results reveal that the corrosion products possess more hydroxide, and the ratio of [Cr]/{[Cr]+[Fe]} in the corrosion products gradually increases with the increasing time. The protective ability of corrosion products formed on 304 stainless steel has also been discussed.

引用

页码：2597 / 2604

页数：8

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