Effect of rare earth element yttrium on migration behavior of twin boundary in magnesium alloys: a molecular dynamics study
The addition of rare earth (RE) elements can effectively improve the mechanical properties of Mg alloys, which is attributed to its ability to regulate the plastic deformation behavior of Mg alloys. Here, the effects of the concentration of RE element Y and temperature on the migration behavior of t...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2023-05-01
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| Series: | Journal of Materials Research and Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785423008979 |
| _version_ | 1797798762403332096 |
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| author | S. Li H.Y. Song L. Han W.L. Su |
| author_facet | S. Li H.Y. Song L. Han W.L. Su |
| author_sort | S. Li |
| collection | DOAJ |
| description | The addition of rare earth (RE) elements can effectively improve the mechanical properties of Mg alloys, which is attributed to its ability to regulate the plastic deformation behavior of Mg alloys. Here, the effects of the concentration of RE element Y and temperature on the migration behavior of twin boundary (TB) in the Mg alloys are investigated by molecular dynamics simulation. The results show that Y element has a softening effect on the migration of TB and promoted TB migration in the Mg alloys. The higher concentration of Y element, the stronger the softening effect on TB migration, and also the faster the migration speed of TB. The results indicate that higher temperature is beneficial to TB migration, and the softening effect of Y element on TB migration in the Mg alloys decreases with the increase of temperature. In addition, the migration mechanism of TB in the Mg alloys is analyzed in detail. This work provides a theoretical basis for the design and preparation of high-performance Mg alloys. |
| first_indexed | 2024-03-13T04:09:45Z |
| format | Article |
| id | doaj.art-c9eabcef31484edf9d3176f7c6ed9bb0 |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-03-13T04:09:45Z |
| publishDate | 2023-05-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-c9eabcef31484edf9d3176f7c6ed9bb02023-06-21T06:57:08ZengElsevierJournal of Materials Research and Technology2238-78542023-05-012459915999Effect of rare earth element yttrium on migration behavior of twin boundary in magnesium alloys: a molecular dynamics studyS. Li0H.Y. Song1L. Han2W.L. Su3College of New Energy, Xi'an Shiyou University, Xi'an 710065, China; College of Material Science and Engineering, Xi'an Shiyou University, Xi'an 710065, ChinaCollege of New Energy, Xi'an Shiyou University, Xi'an 710065, China; Corresponding author.College of New Energy, Xi'an Shiyou University, Xi'an 710065, ChinaCollege of New Energy, Xi'an Shiyou University, Xi'an 710065, ChinaThe addition of rare earth (RE) elements can effectively improve the mechanical properties of Mg alloys, which is attributed to its ability to regulate the plastic deformation behavior of Mg alloys. Here, the effects of the concentration of RE element Y and temperature on the migration behavior of twin boundary (TB) in the Mg alloys are investigated by molecular dynamics simulation. The results show that Y element has a softening effect on the migration of TB and promoted TB migration in the Mg alloys. The higher concentration of Y element, the stronger the softening effect on TB migration, and also the faster the migration speed of TB. The results indicate that higher temperature is beneficial to TB migration, and the softening effect of Y element on TB migration in the Mg alloys decreases with the increase of temperature. In addition, the migration mechanism of TB in the Mg alloys is analyzed in detail. This work provides a theoretical basis for the design and preparation of high-performance Mg alloys.http://www.sciencedirect.com/science/article/pii/S2238785423008979Migration behaviorTwin boundaryMg alloysRare earth elementMolecular dynamics simulation |
| spellingShingle | S. Li H.Y. Song L. Han W.L. Su Effect of rare earth element yttrium on migration behavior of twin boundary in magnesium alloys: a molecular dynamics study Journal of Materials Research and Technology Migration behavior Twin boundary Mg alloys Rare earth element Molecular dynamics simulation |
| title | Effect of rare earth element yttrium on migration behavior of twin boundary in magnesium alloys: a molecular dynamics study |
| title_full | Effect of rare earth element yttrium on migration behavior of twin boundary in magnesium alloys: a molecular dynamics study |
| title_fullStr | Effect of rare earth element yttrium on migration behavior of twin boundary in magnesium alloys: a molecular dynamics study |
| title_full_unstemmed | Effect of rare earth element yttrium on migration behavior of twin boundary in magnesium alloys: a molecular dynamics study |
| title_short | Effect of rare earth element yttrium on migration behavior of twin boundary in magnesium alloys: a molecular dynamics study |
| title_sort | effect of rare earth element yttrium on migration behavior of twin boundary in magnesium alloys a molecular dynamics study |
| topic | Migration behavior Twin boundary Mg alloys Rare earth element Molecular dynamics simulation |
| url | http://www.sciencedirect.com/science/article/pii/S2238785423008979 |
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