Twinning character and texture origination in the randomly-oriented AZ31B magnesium alloy during cold-rolling
Based on generalized Schmid factor (G-SF) calculation, the twinning character and texture development in the rolling plate of randomly-oriented AZ31B magnesium alloy were investigated in this work. The results showed that when the rolling reduction/nip angle is low, the twin type selection is indepe...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2022-07-01
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| Series: | Journal of Materials Research and Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785422006688 |
| _version_ | 1828432357686771712 |
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| author | Wenhan Jin Baolin Wu Li Zhang Gang Wan Lu Zhang Yan Tang Guosheng Duan |
| author_facet | Wenhan Jin Baolin Wu Li Zhang Gang Wan Lu Zhang Yan Tang Guosheng Duan |
| author_sort | Wenhan Jin |
| collection | DOAJ |
| description | Based on generalized Schmid factor (G-SF) calculation, the twinning character and texture development in the rolling plate of randomly-oriented AZ31B magnesium alloy were investigated in this work. The results showed that when the rolling reduction/nip angle is low, the twin type selection is independent of crystal orientation or G-SF due to the significant difference of critical resolved shear stress (CRSS) between extension twinning and contraction twinning. The twin variant selection does not intimately follow the Schmid criterion. In comparison, the extension twin variant selection departs more from the G-SF prediction than the contraction twin variant selection. The orientations of the matrix grains develop gradually tending to distribute around the normal direction (ND), which promote the activation of contraction twinning. The basal texture results only from the orientation development of the matrix grains, depending on the basal <a> slip and the pyramidal <c+a> slip, which was explained in terms of a crystal rotation by the dislocation interactions. |
| first_indexed | 2024-12-10T18:17:53Z |
| format | Article |
| id | doaj.art-ddd78764b29b4cf89e9665ed3cc807ba |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-12-10T18:17:53Z |
| publishDate | 2022-07-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-ddd78764b29b4cf89e9665ed3cc807ba2022-12-22T01:38:17ZengElsevierJournal of Materials Research and Technology2238-78542022-07-0119151166Twinning character and texture origination in the randomly-oriented AZ31B magnesium alloy during cold-rollingWenhan Jin0Baolin Wu1Li Zhang2Gang Wan3Lu Zhang4Yan Tang5Guosheng Duan6School of Aerospace and Engineering, Shenyang Aerospace University, No.37, South Daoyi Street, 110136, Shenyang, China; School of Materials Science and Engineering, Shenyang Aerospace University, No.37, South Daoyi Street, 110136, Shenyang, ChinaSchool of Aerospace and Engineering, Shenyang Aerospace University, No.37, South Daoyi Street, 110136, Shenyang, China; School of Materials Science and Engineering, Shenyang Aerospace University, No.37, South Daoyi Street, 110136, Shenyang, China; Corresponding author.School of Materials Science and Engineering, Shenyang Aerospace University, No.37, South Daoyi Street, 110136, Shenyang, ChinaSchool of Materials Science and Engineering, Shenyang Aerospace University, No.37, South Daoyi Street, 110136, Shenyang, ChinaSchool of Materials Science and Engineering, Shenyang Aerospace University, No.37, South Daoyi Street, 110136, Shenyang, ChinaSchool of Materials Science and Engineering, Shenyang Aerospace University, No.37, South Daoyi Street, 110136, Shenyang, ChinaSchool of Materials Science and Engineering, Shenyang Aerospace University, No.37, South Daoyi Street, 110136, Shenyang, ChinaBased on generalized Schmid factor (G-SF) calculation, the twinning character and texture development in the rolling plate of randomly-oriented AZ31B magnesium alloy were investigated in this work. The results showed that when the rolling reduction/nip angle is low, the twin type selection is independent of crystal orientation or G-SF due to the significant difference of critical resolved shear stress (CRSS) between extension twinning and contraction twinning. The twin variant selection does not intimately follow the Schmid criterion. In comparison, the extension twin variant selection departs more from the G-SF prediction than the contraction twin variant selection. The orientations of the matrix grains develop gradually tending to distribute around the normal direction (ND), which promote the activation of contraction twinning. The basal texture results only from the orientation development of the matrix grains, depending on the basal <a> slip and the pyramidal <c+a> slip, which was explained in terms of a crystal rotation by the dislocation interactions.http://www.sciencedirect.com/science/article/pii/S2238785422006688Randomly-oriented magnesium alloyGeneralized Schmid factorTwin type selectionTwin variant selectionTexture formation |
| spellingShingle | Wenhan Jin Baolin Wu Li Zhang Gang Wan Lu Zhang Yan Tang Guosheng Duan Twinning character and texture origination in the randomly-oriented AZ31B magnesium alloy during cold-rolling Journal of Materials Research and Technology Randomly-oriented magnesium alloy Generalized Schmid factor Twin type selection Twin variant selection Texture formation |
| title | Twinning character and texture origination in the randomly-oriented AZ31B magnesium alloy during cold-rolling |
| title_full | Twinning character and texture origination in the randomly-oriented AZ31B magnesium alloy during cold-rolling |
| title_fullStr | Twinning character and texture origination in the randomly-oriented AZ31B magnesium alloy during cold-rolling |
| title_full_unstemmed | Twinning character and texture origination in the randomly-oriented AZ31B magnesium alloy during cold-rolling |
| title_short | Twinning character and texture origination in the randomly-oriented AZ31B magnesium alloy during cold-rolling |
| title_sort | twinning character and texture origination in the randomly oriented az31b magnesium alloy during cold rolling |
| topic | Randomly-oriented magnesium alloy Generalized Schmid factor Twin type selection Twin variant selection Texture formation |
| url | http://www.sciencedirect.com/science/article/pii/S2238785422006688 |
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