Effect of alloying Cu on the corrosion resistance of stainless steels in chloride media

被引：136
|
作者：
Ujiro, T
Satoh, S
Staehle, RW
Smyrl, WH
机构：
[1] Kawasaki Steel Corp, Tech Res Labs, Chuo Ku, Chiba 260, Japan
[2] Univ Minnesota, Dept Chem Engn & Mat Sci, Corros Res Ctr, Minneapolis, MN 55455 USA
来源：
CORROSION SCIENCE | 2001年 / 43卷 / 11期
关键词：
stainless steel; copper; chloride media; localized corrosion; general corrosion; anodic reaction; cathodic reaction; deposition; corrosion potential;
D O I：
10.1016/S0010-938X(01)00008-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In order to explain the effect of alloying Cu on the corrosion resistance of stainless steels in chloride media for both ferritic and austenitic stainless steels, the corrosion behavior of Cu-bearing stainless steels was investigated. Alloying Cu showed beneficial effect in an active potential range and harmful effect in a noble potential range. The beneficial effect of alloying Cu was explained by the stability of deposited Cu on an anodic surface. Difference in the effect of alloying Cu between the ferritic and austenitic steels was ascribed by the differences in their corrosion potentials and the morphology of the deposited Cu. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：2185 / 2200
页数：16
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