Effects of Heat Treatment and Deformation on Microstructure and Properties of Cu–Ni–Si Alloy/AA8030 Alloy Composite Wires
The influence of heat treatment and deformation on the microstructure and properties of a Cu–Ni–Si alloy/AA8030 alloy composite wire was studied. After aging at 450 °C for 60 min, the composite wire exhibited relatively high comprehensive properties, with ultimate tensile strength, elongation, and e...
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MDPI AG
2024-11-01
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| author | Shuke Tian Fan Zhao Xinhua Liu |
| author_facet | Shuke Tian Fan Zhao Xinhua Liu |
| author_sort | Shuke Tian |
| collection | DOAJ |
| description | The influence of heat treatment and deformation on the microstructure and properties of a Cu–Ni–Si alloy/AA8030 alloy composite wire was studied. After aging at 450 °C for 60 min, the composite wire exhibited relatively high comprehensive properties, with ultimate tensile strength, elongation, and electrical conductivity values of 253 MPa, 11.1%, and 55.3% IACS, respectively. Microstructural analysis revealed that precipitation and dislocation strengthening played important roles in the aged Cu–Ni–Si alloy cladding, whereas grain boundary and dislocation strengthening contributed to the strength of the AA8030 alloy. Then, the wire underwent five passes of drawing with a total deformation of 75%. Significant work hardening changed the ultimate tensile strength, elongation, and electrical conductivity of the composite wire to 422 MPa, 3.3%, and 53.6% IACS, respectively. CuAl<sub>2</sub>, CuAl and Cu<sub>9</sub>Al<sub>4</sub> layers were formed at the composite interface during aging. The CuAl<sub>2</sub> and Cu<sub>9</sub>Al<sub>4</sub> layers grew toward the Al alloy and Cu alloy, respectively, whereas the CuAl layer grew toward both the Al alloy and the Cu alloy. |
| format | Article |
| id | doaj-art-ad305404d5834820a462df0e96b79dc8 |
| institution | DOAJ |
| issn | 2075-4701 |
| language | English |
| publishDate | 2024-11-01 |
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| series | Metals |
| spelling | doaj-art-ad305404d5834820a462df0e96b79dc82025-08-20T02:57:20ZengMDPI AGMetals2075-47012024-11-011412133010.3390/met14121330Effects of Heat Treatment and Deformation on Microstructure and Properties of Cu–Ni–Si Alloy/AA8030 Alloy Composite WiresShuke Tian0Fan Zhao1Xinhua Liu2Key Laboratory for Advanced Materials Processing (MOE), Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, ChinaKey Laboratory for Advanced Materials Processing (MOE), Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, ChinaKey Laboratory for Advanced Materials Processing (MOE), Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, ChinaThe influence of heat treatment and deformation on the microstructure and properties of a Cu–Ni–Si alloy/AA8030 alloy composite wire was studied. After aging at 450 °C for 60 min, the composite wire exhibited relatively high comprehensive properties, with ultimate tensile strength, elongation, and electrical conductivity values of 253 MPa, 11.1%, and 55.3% IACS, respectively. Microstructural analysis revealed that precipitation and dislocation strengthening played important roles in the aged Cu–Ni–Si alloy cladding, whereas grain boundary and dislocation strengthening contributed to the strength of the AA8030 alloy. Then, the wire underwent five passes of drawing with a total deformation of 75%. Significant work hardening changed the ultimate tensile strength, elongation, and electrical conductivity of the composite wire to 422 MPa, 3.3%, and 53.6% IACS, respectively. CuAl<sub>2</sub>, CuAl and Cu<sub>9</sub>Al<sub>4</sub> layers were formed at the composite interface during aging. The CuAl<sub>2</sub> and Cu<sub>9</sub>Al<sub>4</sub> layers grew toward the Al alloy and Cu alloy, respectively, whereas the CuAl layer grew toward both the Al alloy and the Cu alloy.https://www.mdpi.com/2075-4701/14/12/1330Cu/Al compositecomposite wireCu–Ni–Si alloyAA8030 alloycomposite interface |
| spellingShingle | Shuke Tian Fan Zhao Xinhua Liu Effects of Heat Treatment and Deformation on Microstructure and Properties of Cu–Ni–Si Alloy/AA8030 Alloy Composite Wires Metals Cu/Al composite composite wire Cu–Ni–Si alloy AA8030 alloy composite interface |
| title | Effects of Heat Treatment and Deformation on Microstructure and Properties of Cu–Ni–Si Alloy/AA8030 Alloy Composite Wires |
| title_full | Effects of Heat Treatment and Deformation on Microstructure and Properties of Cu–Ni–Si Alloy/AA8030 Alloy Composite Wires |
| title_fullStr | Effects of Heat Treatment and Deformation on Microstructure and Properties of Cu–Ni–Si Alloy/AA8030 Alloy Composite Wires |
| title_full_unstemmed | Effects of Heat Treatment and Deformation on Microstructure and Properties of Cu–Ni–Si Alloy/AA8030 Alloy Composite Wires |
| title_short | Effects of Heat Treatment and Deformation on Microstructure and Properties of Cu–Ni–Si Alloy/AA8030 Alloy Composite Wires |
| title_sort | effects of heat treatment and deformation on microstructure and properties of cu ni si alloy aa8030 alloy composite wires |
| topic | Cu/Al composite composite wire Cu–Ni–Si alloy AA8030 alloy composite interface |
| url | https://www.mdpi.com/2075-4701/14/12/1330 |
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