Characteristics of the two-way memory effect induced by thermomechanical cycling in Cu-Zn-Al single crystals

被引：12
作者：
Amengual, A
Cesari, E
Pons, J
机构：
来源：
JOURNAL DE PHYSIQUE IV | 1995年 / 5卷 / C8期
关键词：
D O I：
10.1051/jp4/199558871
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Some results concerning the two-way shape memory effect induced by thermomechanical training in Cu-Zn-Al single crystals with e/a=1.48 are presented. The repetitive training procedure consists of a thermal induced transformation with the specimen submitted to a constant tensile stress and a subsequent reverse transformation without any external applied stress. The induced two-way shape memory effect is characterized by measuring the efficiency and the strength, cooling the sample under a compressive external stress. Some specimens are conveniently thermally treated in order to introduce dispersions of small gamma-phase precipitates (size about 10 nm) inside the beta matrix. The characteristics of the two-way memory effect shown by the material containing precipitates and the precipitate-free alloy are compared.
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页码：871 / 876
页数：6
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