Twin recrystallization mechanisms in a high strain rate compressed Mg-Zn alloy
| Autor: | Xixi Qi, Xiaoqin Zeng, Huan Zhang, Peipeng Jin, Yangxin Li, Yuxuan Liu, Jinhui Wang, Qingchun Zhu |
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| Rok vydání: | 2021 |
| Předmět: |
010302 applied physics
Diffraction Mining engineering. Metallurgy Materials science Mg alloys Alloy TN1-997 Metals and Alloys Twin Recrystallization (metallurgy) Recrystallization 02 engineering and technology engineering.material Strain rate 021001 nanoscience & nanotechnology 01 natural sciences Crystallography Mechanics of Materials 0103 physical sciences engineering High strain rate deformation 0210 nano-technology Magnesium alloy Electron backscatter diffraction |
| Zdroj: | Journal of Magnesium and Alloys, Vol 9, Iss 2, Pp 499-504 (2021) |
| ISSN: | 2213-9567 |
| Popis: | Static recrystallization of a high strain rate compressed Mg-1 Zn (wt.%) alloy was investigated using electron backscattered diffraction (EBSD). A novel 53° 〈 10 1 ¯ 0 〉 structure was observed in the as-deformed alloy, which showed a { 10 1 ¯ 2 } - { 10 1 ¯ 2 } double twin relationship with the matrix. When the as-deformed alloy was annealed at 200 °C, the { 10 1 ¯ 1 } compression twins and { 10 1 ¯ 1 } - { 10 1 ¯ 2 } double twins showed a higher priority to recrystallize. In addition, the coarse { 10 1 ¯ 2 } tension twins and their inner double twins were preferentially to recrystallize, while the lenticular tension twins had little impact on the recrystallization. Therefore, obtaining more compression twins or coarse twins instead of lenticular tension twins can be an effective approach to manipulate recrystallization process in deformed Mg alloys. |
| Databáze: | OpenAIRE |
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