Sympathetic nucleation of austenite in a Fe-22Cr-5Ni duplex stainless steel

被引：22
|
作者：
Chen, C. Y. [1 ]
Yen, H. W. [1 ]
Yang, J. R. [1 ]
机构：
[1] Natl Taiwan Univ, Dept Mat Sci & Engn, Taipei 106, Taiwan
来源：
SCRIPTA MATERIALIA | 2007年 / 56卷 / 08期
关键词：
stainless steel; isothermal heat treatments; TEM; electron diffraction; sympathetic nucleation;
D O I：
10.1016/j.scriptamat.2006.12.021
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In a Fe-22Cr-5Ni duplex stainless steel, delta-ferrite in a very high supersaturated solid solution state was found to promote the formation of the intragranularly nucleated austenite. Transmission electron microscopy revealed that, after the initial nucleation events for intragranularly nucleated austenite, the subsequent small particle of austenite could form sympathetically at the broad face of the prior austenite grain. The orientation relationship between adjacent grains of sympathetically nucleated austenite has been investigated. (c) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：673 / 676
页数：4
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