Influence of Cr and Ni on Microstructural Evolution during Heat Treatment of Low-Carbon Transformation Induced Plasticity Steels

被引：0
|
作者：
Dong-Woo Suh
Seong-Jun Park
Sung-Joon Kim
机构：
[1] Korea Institute of Materials Science,Department of Advanced Metallic Materials
来源：
Metallurgical and Materials Transactions A | 2008年 / 39卷
关键词：
Ferrite; Austenite; Martensite; Bainite; Austempering;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The effect of Cr and Ni addition on microstructural evolution in the transformation induced plasticity (TRIP) steel is investigated. Both Cr and Ni increase the austenite fraction at austempering temperature. The austenite in Ni-added steel is stable during final cooling after austempering; however, a considerable amount of austenite transforms to martensite in Cr-added steel. The instability of austenite in Cr-added steel is attributed to the increase of hardenability, which inhibits the carbon enrichment in austenite by suppressing ferrite formation.
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页码：2015 / 2019
页数：4
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