Martensitic transformation of annealed Ti50Ni25Cu25 melt-spun ribbons

被引：18
|
作者：
Chang, S. H. [1 ]
Wu, S. K. [1 ,2 ]
Kimura, H. [3 ]
机构：
[1] Natl Taiwan Univ, Dept Mat Sci & Engn, Taipei 106, Taiwan
[2] Natl Taiwan Univ, Dept Mech Engn, Taipei 106, Taiwan
[3] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2008年 / 476卷 / 1-2期
关键词：
shape memory alloys (SMA); martensitic phase transformation; amorphous materials; shape memory effect; internal friction;
D O I：
10.1016/j.msea.2007.04.102
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Martensitic transformation of annealed melt-spun Ti50Ni25Cu25 ribbons is investigated. Experimental results reveal that Ti50Ni25Cu25 ribbons annealed at a temperature above or below T-x have identical crystallization behavior and exhibit B2 <-> B19 martensitic transformation. Ti50Ni25Cu25 ribbons can have good shape memory effect and damping capacity when annealed under appropriate conditions to acquire abundant crystallized grains with low Cu content. In order to obtain the optimal shape memory effect, it is better to anneal crystallized ribbons at temperature between T-g and T-x because crystallization of ribbons is slower and it is easier to control their properties. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：316 / 321
页数：6
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