Cu-Al-X形状记忆合金发展及研究现状  

Development and Present Situation of Cu-Al-X Shape Memory Alloy

作　　者：张萍[1] 刘冠国[2] 

机构地区：[1]东南大学材料科学与工程学院江苏省土木工程材料重点实验室,江苏南京211189 [2]江苏省交通科学研究院股份有限公司,江苏南京211112

出　　处：《热加工工艺》2011年第24期89-92,96,共5页Hot Working Technology

摘　　要：对Cu-Al-X合金的形状记忆效应、滞后效应和阻尼性能等进行了概括,并就目前限制Cu-Al-X SMAs得到应用的主要问题及相关解决方案进行了阐述。根据第三组元的不同,将现有合金系分类,并对其性能和发展分别做了介绍和展望。The shape memory effect, hysteresis effect and damping capacity of Cu-AI-X shape memory alloy were reviewed. The problems, such as coarse grain sizes, brittleness and mechanical strength, were introduced, which can limite their applications. The development and present situation of solving ways for these problems were mainly discussed. The capabilities and development of Cu-AI-X shape memory alloy were described. The alloy was classified according to the third element.

关 键 词：铜基形状记忆合金 性能 晶粒细化 发展现状 

分 类 号：TG139.6[一般工业技术—材料科学与工程]