High Temperature Deformation-Induced Transformation in Nb-Bearing Medium Mn Steel

被引：2
|
作者：
Kim, Woojun [1 ]
Kang, Singon [1 ]
Jian, Bian [2 ]
Lee, Sea Woong [3 ]
De Cooman, Bruno C. [1 ]
机构：
[1] Pohang Univ Sci & Technol, Grad Inst Ferrous Technol, 77 Cheongam Ro, Pohang 37673, South Korea
[2] CBMM Asia PTE Ltd, 10 Collyer Quay, Singapore 049315, Singapore
[3] POSCO, Tech Res Labs, Steel Prod Res Grp, Gwangyang 57807, South Korea
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2018年 / 49A卷 / 10期
关键词：
DYNAMIC FERRITE TRANSFORMATION; TENSILE BEHAVIOR; C-MN; MULTIPHASE STEEL; AUSTENITE; MICROSTRUCTURE; STABILITY; AE(3);
D O I：
10.1007/s11661-018-4610-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Dynamic transformation (DT) of deformed austenite to ferrite at temperatures above A(e3) occurs during a multi-step hot torsion test of a Nb-bearing medium manganese steel. In torsion tested specimens, equiaxed grains are dispersed within a martensite matrix, and the average grain size is less than 1 mu m. Electron back-scattering diffraction results confirm that most of the equiaxed grains are recrystallized ferrite, and there is a small fraction of retained austenite. (C) The Minerals, Metals & Materials Society and ASM International 2018
引用
收藏
页码：4389 / 4393
页数：5
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