Variant selection during the γ-to-αb phase transformation in hot-rolled bainitic TRIP-aided steels

被引：28
|
作者：
Malet, L. [1 ]
Barnett, M. R. [2 ]
Jacques, P. J. [3 ]
Godet, S. [1 ]
机构：
[1] Univ Libre Bruxelles, Serv Mat & Mat, B-1050 Brussels, Belgium
[2] Deakin Univ, Ctr Mat & Fiber Innovat, Geelong, Vic 3217, Australia
[3] Univ Catholique Louvain, Dept Sci Mat & Procedes, IMAP, B-1348 Louvain, Belgium
来源：
SCRIPTA MATERIALIA | 2009年 / 61卷 / 05期
关键词：
Orientation relationship; Bainite; Variant selection; TRIP-aided steel; Texture; FE-30-PERCENT-NI; AUSTENITE; ALLOY;
D O I：
10.1016/j.scriptamat.2009.05.015
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The variant selection phenomenon during the austenite to bainite phase transformation in hot-rolled TRIP-aided steels was quantitatively characterized at the level of individual austenite grains. The reconstruction of the electron backscatter diffraction maps provided evidence that bainite grows by packets of laths sharing a common {1 1 1}(gamma) plane in the austenite. The affect of hot deformation is to reduce the number of packets that form. It is suggested that slip activity is important in understanding this effect. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：520 / 523
页数：4
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