Hot deformation behavior and dynamic recrystallization kinetic modeling of the Mg–7Gd–3Y–1Zn–0.5Zr alloy
In this study, the microstructure evolution on hot deformation was investigated and a dynamic recrystallization (DRX) kinetic model was constructed based on the hot deformation behavior of the homogenized state Mg–7Gd–3Y–1Zn–0.5Zr (VW73B) alloy within 713–773 K and 0.01–0.1 s−1. The DRX critical str...
Saved in:
| Main Authors: | , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-01-01
|
| Series: | Journal of Materials Research and Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785424029600 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1832595361031520256 |
|---|---|
| author | Chen Zhong Yongjun Li Qichi Le Minglong Ma Xinggang Li Guoliang Shi Jiawei Yuan Zhaoqian Sun Kui Zhang |
| author_facet | Chen Zhong Yongjun Li Qichi Le Minglong Ma Xinggang Li Guoliang Shi Jiawei Yuan Zhaoqian Sun Kui Zhang |
| author_sort | Chen Zhong |
| collection | DOAJ |
| description | In this study, the microstructure evolution on hot deformation was investigated and a dynamic recrystallization (DRX) kinetic model was constructed based on the hot deformation behavior of the homogenized state Mg–7Gd–3Y–1Zn–0.5Zr (VW73B) alloy within 713–773 K and 0.01–0.1 s−1. The DRX critical strain reduced when the deformation temperature (T) increased and increased when the strain rate (ε˙) increased. The variation trend of the DRX volume fraction was inversely proportional to the critical DRX strain. The constructed DRX kinetic model was modified by introducing a compensation factor; the modified model showed a mean absolute deviation of the DRX volume fraction of 1.8%. Combined with the microstructure analysis, it can be found that the Long Period Stacking Ordered (LPSO) phase is able to promote DRX during the hot deformation, but its ability to promote DRX is less pronounced than that of grain boundaries. At the block-shaped LPSO phase interface, the grain boundary arched by strain induction provided a nucleation site for DRX, enabling discontinuous dynamic recrystallization (DDRX). At the lamellar LPSO phase interface, continuous dynamic recrystallization (CDRX) occurred predominantly through the continuous migration and merging of subgrains, resulting in the formation of DRX grains. The results of this study could guide future research on the DRX of the VW73B alloys with varied applications. |
| format | Article |
| id | doaj-art-dd77d40e023947c4b4ed62e70522c629 |
| institution | Kabale University |
| issn | 2238-7854 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj-art-dd77d40e023947c4b4ed62e70522c6292025-01-19T06:25:39ZengElsevierJournal of Materials Research and Technology2238-78542025-01-013413621378Hot deformation behavior and dynamic recrystallization kinetic modeling of the Mg–7Gd–3Y–1Zn–0.5Zr alloyChen Zhong0Yongjun Li1Qichi Le2Minglong Ma3Xinggang Li4Guoliang Shi5Jiawei Yuan6Zhaoqian Sun7Kui Zhang8School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, PR China; State Key Laboratory of Nonferrous Metals and Processes, GRINM Co. Ltd., Beijing, 100088, PR China; GRIMAT Engineering Institute Co. Ltd., Beijing, 101407, PR ChinaSchool of Materials Science and Engineering, Northeastern University, Shenyang, 110819, PR China; State Key Laboratory of Nonferrous Metals and Processes, GRINM Co. Ltd., Beijing, 100088, PR China; GRIMAT Engineering Institute Co. Ltd., Beijing, 101407, PR China; General Research Institute for Nonferrous Metals, Beijing, 100088, PR China; Corresponding author. School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, PR China.School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, PR ChinaState Key Laboratory of Nonferrous Metals and Processes, GRINM Co. Ltd., Beijing, 100088, PR China; GRIMAT Engineering Institute Co. Ltd., Beijing, 101407, PR China; General Research Institute for Nonferrous Metals, Beijing, 100088, PR ChinaState Key Laboratory of Nonferrous Metals and Processes, GRINM Co. Ltd., Beijing, 100088, PR China; GRIMAT Engineering Institute Co. Ltd., Beijing, 101407, PR China; General Research Institute for Nonferrous Metals, Beijing, 100088, PR ChinaState Key Laboratory of Nonferrous Metals and Processes, GRINM Co. Ltd., Beijing, 100088, PR China; GRIMAT Engineering Institute Co. Ltd., Beijing, 101407, PR China; General Research Institute for Nonferrous Metals, Beijing, 100088, PR ChinaState Key Laboratory of Nonferrous Metals and Processes, GRINM Co. Ltd., Beijing, 100088, PR China; GRIMAT Engineering Institute Co. Ltd., Beijing, 101407, PR China; General Research Institute for Nonferrous Metals, Beijing, 100088, PR ChinaState Key Laboratory of Nonferrous Metals and Processes, GRINM Co. Ltd., Beijing, 100088, PR China; GRIMAT Engineering Institute Co. Ltd., Beijing, 101407, PR China; General Research Institute for Nonferrous Metals, Beijing, 100088, PR ChinaState Key Laboratory of Nonferrous Metals and Processes, GRINM Co. Ltd., Beijing, 100088, PR China; GRIMAT Engineering Institute Co. Ltd., Beijing, 101407, PR China; General Research Institute for Nonferrous Metals, Beijing, 100088, PR ChinaIn this study, the microstructure evolution on hot deformation was investigated and a dynamic recrystallization (DRX) kinetic model was constructed based on the hot deformation behavior of the homogenized state Mg–7Gd–3Y–1Zn–0.5Zr (VW73B) alloy within 713–773 K and 0.01–0.1 s−1. The DRX critical strain reduced when the deformation temperature (T) increased and increased when the strain rate (ε˙) increased. The variation trend of the DRX volume fraction was inversely proportional to the critical DRX strain. The constructed DRX kinetic model was modified by introducing a compensation factor; the modified model showed a mean absolute deviation of the DRX volume fraction of 1.8%. Combined with the microstructure analysis, it can be found that the Long Period Stacking Ordered (LPSO) phase is able to promote DRX during the hot deformation, but its ability to promote DRX is less pronounced than that of grain boundaries. At the block-shaped LPSO phase interface, the grain boundary arched by strain induction provided a nucleation site for DRX, enabling discontinuous dynamic recrystallization (DDRX). At the lamellar LPSO phase interface, continuous dynamic recrystallization (CDRX) occurred predominantly through the continuous migration and merging of subgrains, resulting in the formation of DRX grains. The results of this study could guide future research on the DRX of the VW73B alloys with varied applications.http://www.sciencedirect.com/science/article/pii/S2238785424029600Mg alloyHot deformationMicrostructureDynamic recrystallization kinetic modelingLPSO phase |
| spellingShingle | Chen Zhong Yongjun Li Qichi Le Minglong Ma Xinggang Li Guoliang Shi Jiawei Yuan Zhaoqian Sun Kui Zhang Hot deformation behavior and dynamic recrystallization kinetic modeling of the Mg–7Gd–3Y–1Zn–0.5Zr alloy Journal of Materials Research and Technology Mg alloy Hot deformation Microstructure Dynamic recrystallization kinetic modeling LPSO phase |
| title | Hot deformation behavior and dynamic recrystallization kinetic modeling of the Mg–7Gd–3Y–1Zn–0.5Zr alloy |
| title_full | Hot deformation behavior and dynamic recrystallization kinetic modeling of the Mg–7Gd–3Y–1Zn–0.5Zr alloy |
| title_fullStr | Hot deformation behavior and dynamic recrystallization kinetic modeling of the Mg–7Gd–3Y–1Zn–0.5Zr alloy |
| title_full_unstemmed | Hot deformation behavior and dynamic recrystallization kinetic modeling of the Mg–7Gd–3Y–1Zn–0.5Zr alloy |
| title_short | Hot deformation behavior and dynamic recrystallization kinetic modeling of the Mg–7Gd–3Y–1Zn–0.5Zr alloy |
| title_sort | hot deformation behavior and dynamic recrystallization kinetic modeling of the mg 7gd 3y 1zn 0 5zr alloy |
| topic | Mg alloy Hot deformation Microstructure Dynamic recrystallization kinetic modeling LPSO phase |
| url | http://www.sciencedirect.com/science/article/pii/S2238785424029600 |
| work_keys_str_mv | AT chenzhong hotdeformationbehavioranddynamicrecrystallizationkineticmodelingofthemg7gd3y1zn05zralloy AT yongjunli hotdeformationbehavioranddynamicrecrystallizationkineticmodelingofthemg7gd3y1zn05zralloy AT qichile hotdeformationbehavioranddynamicrecrystallizationkineticmodelingofthemg7gd3y1zn05zralloy AT minglongma hotdeformationbehavioranddynamicrecrystallizationkineticmodelingofthemg7gd3y1zn05zralloy AT xinggangli hotdeformationbehavioranddynamicrecrystallizationkineticmodelingofthemg7gd3y1zn05zralloy AT guoliangshi hotdeformationbehavioranddynamicrecrystallizationkineticmodelingofthemg7gd3y1zn05zralloy AT jiaweiyuan hotdeformationbehavioranddynamicrecrystallizationkineticmodelingofthemg7gd3y1zn05zralloy AT zhaoqiansun hotdeformationbehavioranddynamicrecrystallizationkineticmodelingofthemg7gd3y1zn05zralloy AT kuizhang hotdeformationbehavioranddynamicrecrystallizationkineticmodelingofthemg7gd3y1zn05zralloy |