Microstructure and mechanical behavior of nanostructured composite Cu60Fe40 alloy |
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| Authors: | Licai Fu Jun Yang Qinling Bi Weimin Liu |
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| Affiliation: | 1. State Key Laboratory of Solid Lubrication , Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences , Lanzhou 730000, PR China licaifu@licp.cas.cn;3. State Key Laboratory of Solid Lubrication , Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences , Lanzhou 730000, PR China |
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| Abstract: | In this study, bulk nanostructured composite Cu60Fe40 alloy is prepared by a combustion synthesis technique. The prepared Cu60Fe40 alloy consists of Cu(Fe) solid solution and Fe(Cu) solid solution phases. The large-scaled compositional segregation in the Cu-rich and Fe-rich phases is not observed, respectively. A few micron-sized dendrite (Fe(Cu) solid solution) is embedded into the nanostructured matrix (Cu(Fe) solid solution). The grain size of the matrix is in the range 50–300?nm. The yield and fracture strength of the Cu60Fe40 alloy are 540 and 1050?MPa, respectively, and the fracture strain obtained from the compression test is about 20.9%. The Cu60Fe40 alloy displays notable work hardening in the compressive deformation. |
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| Keywords: | Cu60Fe40 alloy nanostructured materials microstructure mechanical behavior |
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