Stress Oriented Hydrogen Induced Cracking of Linepipe Steel

被引：0

作者：

Kim, Wan Keun ^{[1
]}

Park, Gyu Tae ^{[1
]}

Kim, Kyoo Young ^{[1
]}

机构：

[1] Pohang Univ Sci & Technol, Grad Inst Ferrous Technol, Pohang 790784, South Korea

来源：

JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL | 2011年 / 18卷

关键词：

linepipe steel; stress oriented hydrogen induced cracking; hydrogen induced cracking; metallurgical factor; diffusible hydrogen; LOW-ALLOY STEELS; SOUR ENVIRONMENTS; PIPELINE STEELS; HIGH-STRENGTH; SUSCEPTIBILITY; EMBRITTLEMENT; PERMEATION; MOLYBDENUM; RESISTANCE; IRON;

D O I：

暂无

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The stress oriented hydrogen induced cracking (SOHIC) is a typical hydrogen embrittlement phenomenon occurring in the linepipe steels exposed to sour environment containing H(2)S gas. However, even recently, the cracking mechanism of SONIC has not been clarified because of lacking in the empirical data on the actual failure mode of SOH IC cracking. The factors affecting SOH IC are discussed in terms of metallurgy of high strength linepipe steel and hydrogen electrochemistry. The cracking mechanisms of SOHIC are examined by comparing them with the empirical failure mode of SOHIC which is developed by observation of the actual fracture sites of the hydrogen induced blister cracking (HIBC) and secondary cracks. Finally, the correlation between SOHIC and HIC is discussed.

引用

页码：121 / 128

页数：8

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