Characterization of the effect of hydrogen sulfide on the corrosion of X80 pipeline steel in saline solution

被引：55

作者：

Zhao, Wei ^{[1
]}

Zou, Yong ^{[1
]}

Matsuda, Kenji ^{[2
]}

Zou, Zengda ^{[1
]}

机构：

[1] Shandong Univ, Minist Educ, Key Lab Liquid Solid Struct Evolut & Proc Mat, Jinan 250061, Peoples R China

[2] Toyama Univ, Grad Sch Sci & Engn Res, Toyama 9308555, Japan

来源：

CORROSION SCIENCE | 2016年 / 102卷

基金：

中国国家自然科学基金;

关键词：

Steel; SEM; Electrochemical calculation; Anodic films; STRESS CRACKING RESISTANCE; HEAT-AFFECTED ZONE; LOW-ALLOY STEEL; C-MN STEEL; CARBON-STEEL; WET H2S; CARBONATE/BICARBONATE SOLUTION; MECHANICAL-PROPERTIES; WELDED-JOINTS; BEHAVIOR;

D O I：

10.1016/j.corsci.2015.10.038

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The corrosion products and electrochemical corrosion behavior of X80 pipeline steel in saline solution with saturated H2S at 50 degrees C were evaluated. The results showed that mackinawite and cubic FeS were the primary and secondary crystalline phases observed and that a series of changes in the size, shape, thickness, and chemical composition occurred as the immersion stages developed. Electrochemical results showed that the sulfide film hindered pitting and enhanced the corrosion resistance definitely. Zero-resistance ammeter measurements showed that the sulfide film repaired itself when local failure occurred. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：455 / 468

页数：14

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