Prediction of Martensite Start Temperature in Alloy Steels with Different Grain Sizes

被引：104
|
作者：
Lee, Seok-Jae [1 ]
Park, Kyong-Su [2 ]
机构：
[1] Chonbuk Natl Univ, Div Adv Mat Engn, Jeonju 561756, South Korea
[2] POSCO, Tech Res Labs, Next Generat Prod Res Grp, Pohang 790785, South Korea
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2013年 / 44A卷 / 08期
关键词：
TRANSFORMATION; CARBON;
D O I：
10.1007/s11661-013-1798-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new equation to predict the martensite start (M (s)) temperature was proposed considering the effects of the chemical composition and grain size of austenite in alloy steels. The calculation results demonstrated that the addition of an alloying element decreased the M (s) temperature, and austenite with smaller grain sizes resulted in a remarkable reduction of the M (s) temperature. The variation of the M (s) temperature calculated by the proposed equation was in good agreement with experimental data of alloy steels with various grain sizes.
引用
收藏
页码：3423 / 3427
页数：5
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