Influence of cooling in liquid nitrogen on shape memory effect of CuZnAlMnNi alloy

被引：1
|
作者：
Bai, YJ [1 ]
Xu, XG
Hao, XP
Cui, DL
Geng, GL
机构：
[1] Shandong Univ Sci & Technol, Dept Mech, Jinan 250031, Peoples R China
[2] Shandong Univ, Inst Crystal Mat, Jinan 250100, Shandong, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2001年 / 36卷 / 13-14期
关键词：
alloys; electron microscopy; microstructure;
D O I：
10.1016/S0025-5408(01)00692-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Shape memory effect (SME) of a CuZnAlMnNi alloy after cooling in liquid nitrogen was investigated. It was found that the SME decreases when the quenched alloy is subjected to further cooling in liquid nitrogen. The original substructure of stacking faults becomes confused, and the order degree of the alloy reduces after further cooling. The confused stacking faults are easy to evolve into dislocations during training, which inhibits the motion of phase boundaries during the forward and reverse martensitic transformations and finally results in the decrement of SME. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：2415 / 2419
页数：5
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