Effect of Microstructure on Hydrogen Induced Cracking Behavior of a High Deformability Pipeline Steel

被引：45

作者：

Shi, Xian-bo ^{[1
,2
]}

Yan, Wei ^{[1
]}

Wang, Wei ^{[1
]}

Zhao, Lian-yu ^{[3
]}

Shan, Yi-yin ^{[1
]}

Yang, Ke ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Petro China Pipeline Co, Langfang 065000, Hebei, Peoples R China

来源：

JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL | 2015年 / 22卷 / 10期

关键词：

pipeline steel; high deformability; dual-phase microstructure; mechanical property; hydrogen induced cracking; HIGH-STRENGTH STEEL; HEAT-AFFECTED ZONE; ACICULAR FERRITE; SUSCEPTIBILITY; MARTENSITE; RESISTANCE;

D O I：

10.1016/S1006-706X(15)30093-5

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The hydrogen induced cracking (HIC) behavior of a high deformability pipeline steel was investigated with three different dual-phase microstructures, ferrite and bainite (F+B), ferrite and martensite/austenite islands (F+M/A) and ferrite and martensite (F+M), respectively. The HIC test was conducted in hydrogen sulfide (H2S)-saturated solution. The results showed that the steels with F+B and F+M/A dual-phase microstructures had both higher deformability and better HIC resistance, whereas the harder martensite phase in F+M microstructure was responsible for the worst HIC resistance. The band-like hard phase in dual-phase microstructure was believed to lead to increasing susceptibility to HIC.

引用

页码：937 / 942

页数：6

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