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Superelasticity of Cu–Ni–Al shape-memory fibers prepared by melt extraction technique
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作者 Dong-yue Li Shu-ling Zhang +2 位作者 Wei-bing Liao Gui-hong Geng Yong Zhang 《International Journal of Minerals,Metallurgy and Materials》 SCIE EI CAS CSCD 2016年第8期928-933,共6页
In the paper, a melt extraction method was used to fabricate Cu–4Ni–14Al(wt%) fiber materials with diameters between 50 and 200 μm. The fibers exhibited superelasticity and temperature-induced martensitic transfo... In the paper, a melt extraction method was used to fabricate Cu–4Ni–14Al(wt%) fiber materials with diameters between 50 and 200 μm. The fibers exhibited superelasticity and temperature-induced martensitic transformation. The microstructures and superelasticity behavior of the fibers were studied via scanning electron microscopy(SEM) and a dynamic mechanical analyzer(DMA), respectively. Appropriate heat treatment further improves the plasticity of Cu-based alloys. The serration behavior observed during the loading process is due to the multiple martensite phase transformation. 展开更多
关键词 copper nickel aluminum alloys shape memory effect melt extraction method superelasticity
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