Effect of rare earth yttrium and the deformation process on the thermal deformation behavior and microstructure of pure titanium for cathode rolls
This study explores the challenges associated with microstructural refinement and homogenization control for large titanium cathode rolls utilized in electrolytic copper foil production. An innovative deformation control strategy was developed by incorporating yttrium microalloying within the β→α du...
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| Language: | English |
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Elsevier
2024-11-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785424023846 |
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| author | Zhenguo Hou Haitao Liu Longlong Lu Weiqiang Li Zihao Zhang Weiwei Lu Qing Feng Bo Jia Kexing Song |
| author_facet | Zhenguo Hou Haitao Liu Longlong Lu Weiqiang Li Zihao Zhang Weiwei Lu Qing Feng Bo Jia Kexing Song |
| author_sort | Zhenguo Hou |
| collection | DOAJ |
| description | This study explores the challenges associated with microstructural refinement and homogenization control for large titanium cathode rolls utilized in electrolytic copper foil production. An innovative deformation control strategy was developed by incorporating yttrium microalloying within the β→α dual-phase region to refine the hot-deformed microstructure of pure titanium. Gleeble thermal simulation tests were performed to assess the impact of rare earth Y, deformation temperatures (700–900 °C), and interpass cooling rates (5 °C/s, 25 °C/s, and 50 °C/s) on the hot deformation behavior and microstructural evolution of pure titanium. The results reveal that Y2O3 particles generated by the addition of rare earth Y enhance dynamic recrystallization through the particle-stimulated nucleation (PSN) mechanism, effectively pinning grain boundaries and impeding recrystallized grain growth. Increased interpass cooling rates lead to finer grains and higher stored energy. The mechanism for grain refinement during dual-phase deformation is described as follows: β-phase nonrecrystallization temperature deformation → rapid cooling control → α-phase recrystallization deformation control, energy storage, strain-induced dynamic phase transformation (SIDT, α→β), and dynamic recrystallization (DRX). Under experimental conditions of β-phase region deformation at 980 °C → inter-pass cooling rate of 50 °C/s → α-phase region deformation at 750 °C, the addition of rare earth yttrium achieved the most effective grain refinement, reducing the average grain size to 2.56 μm. |
| format | Article |
| id | doaj-art-ca48e1a716b14642b0d9d83fc0d04e77 |
| institution | Kabale University |
| issn | 2238-7854 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj-art-ca48e1a716b14642b0d9d83fc0d04e772024-12-26T08:54:39ZengElsevierJournal of Materials Research and Technology2238-78542024-11-013341924205Effect of rare earth yttrium and the deformation process on the thermal deformation behavior and microstructure of pure titanium for cathode rollsZhenguo Hou0Haitao Liu1Longlong Lu2Weiqiang Li3Zihao Zhang4Weiwei Lu5Qing Feng6Bo Jia7Kexing Song8School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, 471023, ChinaSchool of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, 471023, China; Corresponding author. Provincial and Ministerial Co-construction of Collaborative Innovation Center for Non-ferrous Metal New Materials and Advanced Processing Technology, School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, 471023, China.School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, China; Institute of Materials, Henan Academy of Sciences, Zhengzhou, 450046, ChinaSchool of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, 471023, ChinaSchool of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, 471023, ChinaInstitute of Materials, Henan Academy of Sciences, Zhengzhou, 450046, China; School of Chemistry and Chemical Engineering, Henan University of Science and Technology, 263, Kaiyuan Avenue, Luoyang, Henan, 471003, ChinaXi'an Taijin Industrial Electrochemical Technology Co., Ltd., Xi'an, 710200, ChinaXi'an Taijin Industrial Electrochemical Technology Co., Ltd., Xi'an, 710200, ChinaSchool of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, 471023, China; Institute of Materials, Henan Academy of Sciences, Zhengzhou, 450046, China; Corresponding author. School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471023, China, Henan Academy of Sciences, Zhengzhou, 450000, China.This study explores the challenges associated with microstructural refinement and homogenization control for large titanium cathode rolls utilized in electrolytic copper foil production. An innovative deformation control strategy was developed by incorporating yttrium microalloying within the β→α dual-phase region to refine the hot-deformed microstructure of pure titanium. Gleeble thermal simulation tests were performed to assess the impact of rare earth Y, deformation temperatures (700–900 °C), and interpass cooling rates (5 °C/s, 25 °C/s, and 50 °C/s) on the hot deformation behavior and microstructural evolution of pure titanium. The results reveal that Y2O3 particles generated by the addition of rare earth Y enhance dynamic recrystallization through the particle-stimulated nucleation (PSN) mechanism, effectively pinning grain boundaries and impeding recrystallized grain growth. Increased interpass cooling rates lead to finer grains and higher stored energy. The mechanism for grain refinement during dual-phase deformation is described as follows: β-phase nonrecrystallization temperature deformation → rapid cooling control → α-phase recrystallization deformation control, energy storage, strain-induced dynamic phase transformation (SIDT, α→β), and dynamic recrystallization (DRX). Under experimental conditions of β-phase region deformation at 980 °C → inter-pass cooling rate of 50 °C/s → α-phase region deformation at 750 °C, the addition of rare earth yttrium achieved the most effective grain refinement, reducing the average grain size to 2.56 μm.http://www.sciencedirect.com/science/article/pii/S2238785424023846Pure titaniumRare earth yttriumThermal deformationDynamic phase transformationGrain refinement |
| spellingShingle | Zhenguo Hou Haitao Liu Longlong Lu Weiqiang Li Zihao Zhang Weiwei Lu Qing Feng Bo Jia Kexing Song Effect of rare earth yttrium and the deformation process on the thermal deformation behavior and microstructure of pure titanium for cathode rolls Journal of Materials Research and Technology Pure titanium Rare earth yttrium Thermal deformation Dynamic phase transformation Grain refinement |
| title | Effect of rare earth yttrium and the deformation process on the thermal deformation behavior and microstructure of pure titanium for cathode rolls |
| title_full | Effect of rare earth yttrium and the deformation process on the thermal deformation behavior and microstructure of pure titanium for cathode rolls |
| title_fullStr | Effect of rare earth yttrium and the deformation process on the thermal deformation behavior and microstructure of pure titanium for cathode rolls |
| title_full_unstemmed | Effect of rare earth yttrium and the deformation process on the thermal deformation behavior and microstructure of pure titanium for cathode rolls |
| title_short | Effect of rare earth yttrium and the deformation process on the thermal deformation behavior and microstructure of pure titanium for cathode rolls |
| title_sort | effect of rare earth yttrium and the deformation process on the thermal deformation behavior and microstructure of pure titanium for cathode rolls |
| topic | Pure titanium Rare earth yttrium Thermal deformation Dynamic phase transformation Grain refinement |
| url | http://www.sciencedirect.com/science/article/pii/S2238785424023846 |
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