Passivity of corrosion-resistant alloys in environments containing chloride and hydrogen sulfide

被引：9

作者：

Denpo, K ^{[1
]}

Ogawa, H ^{[1
]}

机构：

[1] Nippon Steel Corp Ltd, Pipe & Tube Steel Res Labs, Chiba 29912, Japan

来源：

CORROSION | 1997年 / 53卷 / 09期

关键词：

Auger electron spectroscopy; chloride; chromium; corrosion-resistant alloys; films and film formation; hydrogen sulfide; localized corrosion; molybdenum; nickel; passivity; pitting potential; pitting resistance;

D O I：

10.5006/1.3290305

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Passivity of corrosion-resistant alloys (CRA) in chloride (Cl-) + hydrogen sulfide (H2S) environments was investigated electrochemically to clarify the role of alloying elements. Fitting potential (V(.)c) was correlated with alloying elements of Ni Cr, and Mo. Ni was shown ineffective in improving pitting resistance in Cl- environments. Passivity in Cl- + H2S environments was discussed based upon Auger electron spectroscopy (AES) analysis, and the roles of each alloying element were clarified.

引用

页码：718 / 723

页数：6

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