4Otsuka K, Wayman C M. Shape memory materials[M]. Cam-bridge: Cambridge University Press, 1998.
5Hsu C A,Wang W H,Hsu Y F,et al. The refinement treatmentof martensite in Cu-11.38 wt% Al-0.43 wt%Be shape memoryalloys [J]. Journal of Alloys and Compounds,2009,474:455-462.
6Sutou Y’Omori T,Yamauchi K,et al. Effect of grain size andtexture on pseudoelasticity in Cu-Al-Mn-based shape memorywire[J]. Acta. Mater. 2005,15:4121-4133.
7Sure G N,Brown L C. The fatigue properties of grain refinedp-Cu Al Ni strain-memory alloys fJ]Scripta. Metall., 1985,191:401-404.
8Sutou Y’Omori T,Wang J J,et al. Characteristics of Cu-Al-Mn-based shape memory alloys and their applications [J].Mat. Sci. Eng. A,2004,378: 278-82.
9Malania J,Elgoyhen C,Vermaut P h,et al. Shape memoryproperties of Cu-based thin tapes obtained by rapid solidificationmethods[J]. Mat. Sci. Eng. A,2006,438/439/440:736-767.
10Matsuki K,Aida L T,Takeuchi T. Microstructural characteris-tics and superplastic-like behavior in aluminum powder alloyconsolidated by equal-channel angular pressing [J]. Acta, mater.,2000,48:2625-2632.