Microstructure and tensile properties of Al 0.5 CoCrCuFeNi alloys produced by simple rolling and annealing
This study demonstrates that simply by rolling at ambient temperature, FCC type high entropy alloy Al 0.5 CoCrCuFeNi can be refined to have nanocrystalline structure and exhibits outstanding combination of strength and ductility. The yield strength and ultimate tensile strength are 1284 and 1344 MPa...
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| Veröffentlicht in: | Materials science and technology 2015-07, Vol.31 (10), p.1178-1183 |
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| container_title | Materials science and technology |
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| creator | Tsai, C.-W. Tsai, M.-H. Tsai, K.-Y. Chang, S.-Y. Yeh, J.-W. Yeh, A.-C. |
| description | This study demonstrates that simply by rolling at ambient temperature, FCC type high entropy alloy Al 0.5 CoCrCuFeNi can be refined to have nanocrystalline structure and exhibits outstanding combination of strength and ductility. The yield strength and ultimate tensile strength are 1284 and 1344 MPa, respectively, in combination with an elongation of 7.6. After a short annealing at 900°C for 10 min, the elongation is doubled to 15.3 with a trade-off around 20 in strength. This excellent combination of strength and ductility is attributable to the activation of quasi-dynamic recrystallisation during cold work and the limited grain growth during 900°C annealing. |
| doi_str_mv | 10.1179/1743284714Y.0000000754 |
| format | Article |
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The yield strength and ultimate tensile strength are 1284 and 1344 MPa, respectively, in combination with an elongation of 7.6. After a short annealing at 900°C for 10 min, the elongation is doubled to 15.3 with a trade-off around 20 in strength. 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The yield strength and ultimate tensile strength are 1284 and 1344 MPa, respectively, in combination with an elongation of 7.6. After a short annealing at 900°C for 10 min, the elongation is doubled to 15.3 with a trade-off around 20 in strength. This excellent combination of strength and ductility is attributable to the activation of quasi-dynamic recrystallisation during cold work and the limited grain growth during 900°C annealing.</abstract><doi>10.1179/1743284714Y.0000000754</doi><tpages>6</tpages></addata></record> |
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| title | Microstructure and tensile properties of Al 0.5 CoCrCuFeNi alloys produced by simple rolling and annealing |
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