Effect of nitrogen on the critical strain for dynamic strain aging in high-manganese twinning-induced plasticity steel

被引：64
|
作者：
Lee, Sangwon [1 ]
Kim, Jinkyung [1 ]
Lee, Seok-Jae [1 ]
De Cooman, Bruno C. [1 ]
机构：
[1] Pohang Univ Sci & Technol, Grad Inst Ferrous Technol, Mat Design Lab, Pohang 790784, South Korea
来源：
SCRIPTA MATERIALIA | 2011年 / 65卷 / 06期
关键词：
Nitrogen effect; Dynamic strain aging (DSA); Portevin-Le Chatelier (PLC) band; Twinning-induced plasticity (TWIP); AUSTENITIC STEEL; BEHAVIOR; PHYSICS;
D O I：
10.1016/j.scriptamat.2011.06.017
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effect of nitrogen on the dynamic strain again behavior of a Fe-18% Mn-0.6% C twinning-induced plasticity steel was investigated by means of in situ infrared thermography during tensile testing. The addition of nitrogen affected the initiation of the Portevin-Le Chatelier bands and the characteristic shape of the serrations on the stress strain curve. Also, nitrogen additions resulted in an increase in the critical strain for dynamic strain aging. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：528 / 531
页数：4
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