Delayed static failure of twinning-induced plasticity steels

被引：140

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：

082905 [生物质能源与材料];

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.

引用

页码：960 / 965

页数：6

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