Hydrogen embrittlement in a Fe-Mn-C ternary twinning-induced plasticity steel

被引：137
|
作者：
Koyama, Motomichi [1 ,2 ]
Akiyama, Eiji [2 ]
Tsuzaki, Kaneaki [1 ,2 ]
机构：
[1] Univ Tsukuba, Doctoral Program Mat Sci & Engn, Tsukuba, Ibaraki 3058571, Japan
[2] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan
来源：
CORROSION SCIENCE | 2012年 / 54卷
基金：
日本学术振兴会;
关键词：
Steel; Galvanostatic; Hydrogen embrittlement; EPSILON-MARTENSITIC-TRANSFORMATION; MECHANICAL-PROPERTIES; SOLUTE SEGREGATION; DELAYED FRACTURE; DEFORMATION; AL; TRANSPORT; BEHAVIOR;
D O I：
10.1016/j.corsci.2011.09.022
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of hydrogen entry on ductility was evaluated in a ternary twinning-induced plasticity (TWIP) steel with a composition of Fe-18Mn-0.6C in wt.% using tensile tests. The samples with a thickness of 1.2 mm were charged with hydrogen galvanostatically during the tensile tests. Significant hydrogen content was introduced by the hydrogen-charging. The total elongation was significantly deteriorated from approx. 60% to 30% by the hydrogen-charging. A clear intergranular fracture surface was observed in a vicinity of the sample surface in the hydrogen-charged samples. (C) 2011 Elsevier Ltd. All rights reserved.
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页码：1 / 4
页数：4
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