On the instantaneous stabilization in Cu-Al-Be β′1 martensite

被引：20
|
作者：
Kustov, S
Morin, M
Cesari, E
机构：
[1] Katholieke Univ Leuven, Dept MTM, B-3001 Louvain, Belgium
[2] Univ Illes Balears, Dept Fis, E-07122 Palma de Mallorca, Spain
[3] Inst Natl Sci Appl, GEMPPM, F-69621 Villeurbanne, France
来源：
SCRIPTA MATERIALIA | 2004年 / 50卷 / 02期
关键词：
copper alloys; martensite stabilization; thermoelasticity; defect-assisted diffusion;
D O I：
10.1016/j.scriptamat.2003.09.012
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Cu-Al-Be beta'(1) martensite exhibits, upon various heat treatments, stabilization which is independent of ageing time in the martensitic state. The registered instantaneous stabilization effect is supposed to occur during the martensitic transformation itself. Two mechanisms are suggested: ."kinetic" stabilization during the martensitic transformation due to sweeping-up of quenched-in defects by moving interfaces; .non-elastic accommodation of variants during first direct transformation under combined action of transformation and thermal stresses. (C) 2003 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：219 / 224
页数：6
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