Martensitic transformation of individual grains in low-alloyed TRIP steels

被引：262
作者：
Jimenez-Melero, E.
van Dijk, N. H.
Zhao, L.
Sietsma, J.
Offerman, S. E.
Wright, J. P.
van der Zwaag, S.
机构：
[1] Delft Univ Technol, Fac Sci Appl, NL-2629 JB Delft, Netherlands
[2] Delft Univ Technol, Fac Aerosp Engn, NL-2629 HS Delft, Netherlands
[3] Delft Univ Technol, Dept Mat Sci & Engn, NL-2628 CD Delft, Netherlands
[4] European Synchrotron Radiat Facil, F-38043 Grenoble, France
来源：
SCRIPTA MATERIALIA | 2007年 / 56卷 / 05期
关键词：
iron alloys; metastable phases; martensitic phase transformation; X-ray diffraction; synchrotron radiation;
D O I：
10.1016/j.scriptamat.2006.10.041
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We have performed in situ synchrotron X-ray diffraction experiments on low-alloyed multiphase TRIP steels during cooling, to monitor the martensitic transformation of individual austenite grains within the bulk material. Direct experimental evidence is presented that the stability of the austenite grains is controlled not only by the local carbon level but also by the grain size. This new quantitative information on the martensitic transformation in complex microstructures is of great importance for the design of martensite-based metallic materials. (c) 2006 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：421 / 424
页数：4
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