Microstructure and mechanical properties of multi-principal component AlCoCrFeNiCux alloy |
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Authors: | Jin-Ming Zhu Jie-Li Meng Jian-Lie Liang |
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Affiliation: | 1.College of Science,Guangxi University for Nationalities,Nanning,China |
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Abstract: | By introducing Cu, AlCoCrFeNiCu x (x values in molar ratio, x = 0, 0.1, 0.5, 1.0, 1.5, 2.0, and 2.5) alloys were designed and prepared. The effects of Cu on microstructure and properties of AlCoCrFeNi alloy were investigated. The introduction of Cu results in the formation of Cu-rich FCC solid solution phase when Cu content is low. There are two FCC solid solution phases, i.e., Cu-rich FCC solid solution phase and phase transformation-induced FCC solid solution phase, when the Cu content is more than 1.0. Both the yield stress and plastic strain of alloy show a turning point when the Cu content is 0.5. Among the seven alloys, Cu0.5 alloy exhibits the largest yield stress of 1187 MPa and the lowest plastic strain of 16.01 %. |
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