| Superelasticity of Cu-Ni-Al shape-memory fibers prepared by melt extraction technique |
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| 引用本文： | Dong-yue Li,Shu-ling Zhang,Wei-bing Liao,Gui-hong Geng,Yong Zhang. Superelasticity of Cu-Ni-Al shape-memory fibers prepared by melt extraction technique[J]. 矿物冶金与材料学报, 2016, 23(8): 928-933. DOI: 10.1007/s12613-016-1308-y |
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| 作者姓名： | Dong-yue Li Shu-ling Zhang Wei-bing Liao Gui-hong Geng Yong Zhang |
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| 作者单位： | State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing, 100083, China |
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| 摘 要： | 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.
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| 关 键 词： | copper nickel aluminum alloys shape memory effect melt extraction method superelasticity |
Superelasticity of Cu–Ni–Al shape-memory fibers prepared by melt extraction technique |
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| Dong-yue Li,Shu-ling Zhang,Wei-bing Liao,Gui-hong Geng,Yong Zhang. Superelasticity of Cu–Ni–Al shape-memory fibers prepared by melt extraction technique[J]. International Journal of Minerals,Metallurgy and Materials, 2016, 23(8): 928-933. DOI: 10.1007/s12613-016-1308-y |
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| Authors: | Dong-yue Li Shu-ling Zhang Wei-bing Liao Gui-hong Geng Yong Zhang |
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| Affiliation: | 1. State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China;2. School of Mechanical Engineering, Ningxia University, Yinchuan 750021, China;3. School of Advanced Materials, Peking University Shenzhen Graduate School, Shenzhen 518055, China;4. School of Materials Science and Engineering, Beifang University of Nationalities, Ningxia, 750021, China |
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| Abstract: | 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. Ap-propriate 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. |
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| Keywords: | copper nickel aluminum alloys shape memory effect melt extraction method superelasticity |
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