EFFECT OF MOLYBDATE ON THE STRESS CORROSION CRACKING OF 2205 DUPLEX STAINLESS STEEL IN SULFURIC ACID SOLUTION

被引：1

作者：

Yi, Guo ^{[1
]}

Xing, Shanshan ^{[1
]}

Qi, Haoyu ^{[1
]}

Xu, Junhua ^{[1
]}

Zheng, Chuanbo ^{[1
]}

机构：

[1] Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Zhenjiang 212003, Jiangsu, Peoples R China

来源：

MATERIALI IN TEHNOLOGIJE | 2019年 / 53卷 / 06期

关键词：

duplex stainless steel; electrochemical impedance spectroscopy; hydrogen permeation; molybdate; stress corrosion cracking; HYDROGEN PERMEATION BEHAVIOR; PITTING CORROSION; CARBON-STEEL; INHIBITION; TEMPERATURE; 304-STAINLESS-STEEL; PH;

D O I：

10.17222/mit.2018.124

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The inhibition effect of molybdate on stress corrosion cracking (SCC) was investigated by many researchers, but few considered the molybdate effect on hydrogen permeation and the relationship between SCC and hydrogen permeation. This paper presents the effect of molybdate on SCC susceptibility and hydrogen permeation through the 2205 super duplex stainless steel in a sulfuric acid solution. An addition of molybdate has an interesting influence. It decreases the SCC susceptibility. With its increasing concentration, the inhibition effect on the hydrogen permeation remains steady. Attempts were made to understand this behaviour based on the role of molybdate in hydrogen permeation and pitting characteristics of the 2205 stainless steel in a sulfuric acid solution.

引用

页码：797 / 804

页数：8

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