Delayed static failure of twinning-induced plasticity steels

被引：121
作者：
Chun, Young Soo [1 ]
Park, Kyung-Tae [2 ]
Lee, Chong Soo [1 ]
机构：
[1] Pohang Univ Sci & Technol, Dept Mat Sci & Engn, Pohang 790784, South Korea
[2] Hanbat Natl Univ, Div Adv Mat Sci & Engn, Taejon 305719, South Korea
来源：
SCRIPTA MATERIALIA | 2012年 / 66卷 / 12期
关键词：
Twinning-induced plasticity steel; Delayed static failure; Hydrogen embrittlement; Texture; Residual stress; HIGH-STRENGTH STEELS; CRYSTALLOGRAPHIC TEXTURE; HYDROGEN EMBRITTLEMENT; PIPELINE STEEL; TWIP STEEL; FRACTURE; MICROSTRUCTURE; DEFORMATION; DEGRADATION; MARTENSITE;
D O I：
10.1016/j.scriptamat.2012.02.038
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Delayed static failure of high-Mn twinning-induced plasticity (TWIP) steels containing various Al contents (0-3.5 wt.%) was studied in the context of hydrogen embrittlement. The roles of residual stress and texture on hydrogen embrittlement were discussed. In the deformed state, Al-added TWIP steels exhibited much better delayed fracture resistance as compared to 0 Al steel, owing to the decrease in the number of diffusible hydrogen-trapping sites coupled with smaller residual stress and strong 111 and 100 textures. (C) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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收藏
页码：960 / 965
页数：6
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