Microstructure effect on hydrogen-induced cracking in TM210 maraging steel

被引：51
作者：
Wang, Gang [1 ]
Yan, Yu [1 ]
Li, Jinxu [1 ]
Huang, Jingyu [2 ]
Qiao, Lijie [1 ]
Volinsky, Alex A. [1 ,3 ]
机构：
[1] Univ Sci & Technol Beijing, Corros & Protect Ctr, Key Lab Environm Fracture MOE, Beijing 100083, Peoples R China
[2] Beijing Xinfeng Machinery Factory, Beijing 100854, Peoples R China
[3] Univ S Florida, Dept Mech Engn, Tampa, FL 33620 USA
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2013年 / 586卷
基金：
中国国家自然科学基金;
关键词：
Maraging steel; Hydrogen embrittlement; Reverted austenite; Martensite lath boundaries; STRESS-CORROSION CRACKING; HIGH-STRENGTH STEEL; MECHANICAL-PROPERTIES; REVERTED AUSTENITE; EMBRITTLEMENT; PRECIPITATION; BEHAVIOR; GROWTH; TIP;
D O I：
10.1016/j.msea.2013.07.097
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Hydrogen embrittlement (HE) of TM210 maraging steel was studied by slow strain rate tensile and constant load tests. The over-aged sample exhibited the best resistance to HE, since HE susceptibility of the maraging steel does not depend on the strength, but rather on the reverted austenite content. The hydrogen concentration, observed by scanning Kelvin probe force microscopy, was enriched in the reverted austenite at the grain boundaries and martensite lath boundaries, resulting in hydrogen-induced cracks propagating along the grain boundaries and martensite lath boundaries. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：142 / 148
页数：7
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