Improved resistance to hydrogen environment embrittlement of warm-deformed 304 austenitic stainless steel in high-pressure hydrogen atmosphere

被引：53
作者：
Chen, Xingyang [1 ,3 ]
Ma, Linlin [1 ]
Zhou, Chengshuang [1 ]
Hong, Yuanjian [1 ]
Tao, Huimin [1 ]
Zheng, Jinyang [2 ]
Zhang, Lin [1 ]
机构：
[1] Zhejiang Univ Technol, Inst Mat Forming & Control Engn, Hangzhou 310014, Zhejiang, Peoples R China
[2] Zhejiang Univ, Inst Chem Machinery Engn, Hangzhou 310027, Zhejiang, Peoples R China
[3] Zhejiang Prov Special Equipment Inspect & Res Ins, Hangzhou 310020, Zhejiang, Peoples R China
来源：
CORROSION SCIENCE | 2019年 / 148卷
基金：
中国国家自然科学基金;
关键词：
304 stainless steel; Warm-deforming; Hydrogen environment embrittlement; Deformation twin; alpha ' martensite; FATIGUE-CRACK GROWTH; STRAIN-INDUCED MARTENSITE; EPSILON-MARTENSITE; PIPELINE STEELS; BEHAVIOR; EVOLUTION; MICROSTRUCTURE; DISLOCATION; TEXTURE; NI;
D O I：
10.1016/j.corsci.2018.12.015
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The resistance of warm-deformed 304 austenitic stainless steel to hydrogen environment embrittlement (HEE) was investigated by adjusting the deforming temperature and deforming strain in hydrogen atmosphere. Higher deforming temperatures (100 similar to 300 degrees C) can improve the resistance to HEE, while higher deforming strains weakened the resistance to HEE. Higher deforming temperatures caused a more uniform distribution of the high density dislocations and less deformation twins, which weakened hydrogen segregation to prevent hydrogen induced cracking. As the deforming strain increased, more primary deformation twins formed, which promoted the formation of strain-induced alpha' martensite and then accelerated the growth of hydrogen-induced cracks.
引用
收藏
页码：159 / 170
页数：12
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