Hot deformation behavior, dynamic recrystallization and precipitation behavior of a novel Er, Zr-microalloyed Al–Cu–Mg alloy
The intrinsic relationship between hot deformation behavior and microstructure evolution in Er, Zr-microalloyed Al–Cu–Mg alloy was investigated by isothermal hot compression test. The constitutive model and thermal process map were established, the effects of the Zener-Hollomon parameter (Z) on dyna...
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Elsevier
2025-05-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785425009147 |
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| author | Zhizheng Rong Xiaolan Wu Fangyan He Shengping Wen Xiangyuan Xiong Kunyuan Gao Wu Wei Hui Huang Zuoren Nie |
| author_facet | Zhizheng Rong Xiaolan Wu Fangyan He Shengping Wen Xiangyuan Xiong Kunyuan Gao Wu Wei Hui Huang Zuoren Nie |
| author_sort | Zhizheng Rong |
| collection | DOAJ |
| description | The intrinsic relationship between hot deformation behavior and microstructure evolution in Er, Zr-microalloyed Al–Cu–Mg alloy was investigated by isothermal hot compression test. The constitutive model and thermal process map were established, the effects of the Zener-Hollomon parameter (Z) on dynamic recrystallization and precipitation behavior was determined. The results showed that the predicted value of the strain-compensated Arrhenius constitutive model fit well with the friction corrected data after the strain fitting. As the lnZ value increased, the deformed alloy exhibited higher dislocation density, smaller average grain size and was more conducive to the existence of large-sized precipitates (mainly Al–Cu phase, Al–Mg–Si phase, Mn–Si-rich phase). The L12 ordered Al3(Er, Zr) particles (∼20 nm) formed by the co-addition of Er and Zr. During hot deformation, Al3(Er, Zr) particles and Mn–Si-rich phase demonstrated exceptional thermal stability and coarsening resistance, which effectively refined the grain size of the alloy and broadened its optimal hot-working window (0.1–0.01s −1, 450–500 °C). |
| format | Article |
| id | doaj-art-a4b62de437ec48da89bc7410b196a25d |
| institution | OA Journals |
| issn | 2238-7854 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj-art-a4b62de437ec48da89bc7410b196a25d2025-08-20T02:24:38ZengElsevierJournal of Materials Research and Technology2238-78542025-05-01365381539510.1016/j.jmrt.2025.04.092Hot deformation behavior, dynamic recrystallization and precipitation behavior of a novel Er, Zr-microalloyed Al–Cu–Mg alloyZhizheng Rong0Xiaolan Wu1Fangyan He2Shengping Wen3Xiangyuan Xiong4Kunyuan Gao5Wu Wei6Hui Huang7Zuoren Nie8State Key Laboratory of Materials Low-Carbon Recycling, Beijing University of Technology, Beijing, 100124, ChinaCorresponding author.; State Key Laboratory of Materials Low-Carbon Recycling, Beijing University of Technology, Beijing, 100124, ChinaState Key Laboratory of Materials Low-Carbon Recycling, Beijing University of Technology, Beijing, 100124, ChinaState Key Laboratory of Materials Low-Carbon Recycling, Beijing University of Technology, Beijing, 100124, ChinaState Key Laboratory of Materials Low-Carbon Recycling, Beijing University of Technology, Beijing, 100124, ChinaState Key Laboratory of Materials Low-Carbon Recycling, Beijing University of Technology, Beijing, 100124, ChinaState Key Laboratory of Materials Low-Carbon Recycling, Beijing University of Technology, Beijing, 100124, ChinaCorresponding author.; State Key Laboratory of Materials Low-Carbon Recycling, Beijing University of Technology, Beijing, 100124, ChinaState Key Laboratory of Materials Low-Carbon Recycling, Beijing University of Technology, Beijing, 100124, ChinaThe intrinsic relationship between hot deformation behavior and microstructure evolution in Er, Zr-microalloyed Al–Cu–Mg alloy was investigated by isothermal hot compression test. The constitutive model and thermal process map were established, the effects of the Zener-Hollomon parameter (Z) on dynamic recrystallization and precipitation behavior was determined. The results showed that the predicted value of the strain-compensated Arrhenius constitutive model fit well with the friction corrected data after the strain fitting. As the lnZ value increased, the deformed alloy exhibited higher dislocation density, smaller average grain size and was more conducive to the existence of large-sized precipitates (mainly Al–Cu phase, Al–Mg–Si phase, Mn–Si-rich phase). The L12 ordered Al3(Er, Zr) particles (∼20 nm) formed by the co-addition of Er and Zr. During hot deformation, Al3(Er, Zr) particles and Mn–Si-rich phase demonstrated exceptional thermal stability and coarsening resistance, which effectively refined the grain size of the alloy and broadened its optimal hot-working window (0.1–0.01s −1, 450–500 °C).http://www.sciencedirect.com/science/article/pii/S2238785425009147Al–Cu–Mg–Er–Zr alloyConstitutive equationDRX mechanismPrecipitation behavior |
| spellingShingle | Zhizheng Rong Xiaolan Wu Fangyan He Shengping Wen Xiangyuan Xiong Kunyuan Gao Wu Wei Hui Huang Zuoren Nie Hot deformation behavior, dynamic recrystallization and precipitation behavior of a novel Er, Zr-microalloyed Al–Cu–Mg alloy Journal of Materials Research and Technology Al–Cu–Mg–Er–Zr alloy Constitutive equation DRX mechanism Precipitation behavior |
| title | Hot deformation behavior, dynamic recrystallization and precipitation behavior of a novel Er, Zr-microalloyed Al–Cu–Mg alloy |
| title_full | Hot deformation behavior, dynamic recrystallization and precipitation behavior of a novel Er, Zr-microalloyed Al–Cu–Mg alloy |
| title_fullStr | Hot deformation behavior, dynamic recrystallization and precipitation behavior of a novel Er, Zr-microalloyed Al–Cu–Mg alloy |
| title_full_unstemmed | Hot deformation behavior, dynamic recrystallization and precipitation behavior of a novel Er, Zr-microalloyed Al–Cu–Mg alloy |
| title_short | Hot deformation behavior, dynamic recrystallization and precipitation behavior of a novel Er, Zr-microalloyed Al–Cu–Mg alloy |
| title_sort | hot deformation behavior dynamic recrystallization and precipitation behavior of a novel er zr microalloyed al cu mg alloy |
| topic | Al–Cu–Mg–Er–Zr alloy Constitutive equation DRX mechanism Precipitation behavior |
| url | http://www.sciencedirect.com/science/article/pii/S2238785425009147 |
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