σ-phase precipitation in two heat-resistant steels -: influence of carbides and microstructure

被引：21
|
作者：
Garcés, GR
Coze, JL
Garin, JL
Mannheim, RL
机构：
[1] Univ Santiago Chile, Santiago, Chile
[2] Ecole Natl Super Mines, URA CNRS, PECM, F-42023 St Etienne, France
来源：
SCRIPTA MATERIALIA | 2004年 / 50卷 / 05期
关键词：
stainless steels; microstructure; carbides; sigma-phase;
D O I：
10.1016/j.scriptamat.2003.11.021
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The influence of solidification microstructure on sigma-phase precipitation in two refractory stainless steels (26Cr-3M) with different microstructures is analyzed. Depending upon cooling rates the existence of Cr7C3 strongly increases the sigma-phase precipitation rate, whereas sigma precipitation is delayed when this carbide is not present in the alloy. (C) 2003 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：651 / 654
页数：4
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