The stabilization of martensite in Cu-Zn-Al-Ti-B shape memory alloys

被引：4
|
作者：
Romero, R
Stipcich, M
机构：
[1] Univ Nacl Cent Provincia Buenos Aires, Fac Ciencias Exactas, Inst Fis Mat Tandil, IFIMAT, RA-7000 Tandil, Argentina
[2] Comis Invest Cient Prov Buenos Aires, Buenos Aires, DF, Argentina
来源：
JOURNAL DE PHYSIQUE IV | 2001年 / 11卷 / PR8期
关键词：
D O I：
10.1051/jp4:2001824
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Recent studies on aging effects in the martensite phase have shown that the addition of Ti-B to Cu-Zn-Al shape memory alloy has a notable influence on stabilization characteristics of this alloy. The overall process is delayed and the stabilization magnitude is significantly diminished. In an attempt to understand this effect the experimental results are analyzed within a cluster rearrangement model. The characteristic energy values are determined and compared with those obtained in single crystal experiments. The obtained results suggest the formation of vacancy-Ti complexes that increase the average vacancy migration energy for about 25%.
引用
收藏
页码：135 / 140
页数：6
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