Effect of Y and Sm on microstructure and properties of AZ91D magnesium alloy
The effects of solo rare earth Y and combined rare earth Y and Sm elements on the microstructure and mechanical properties of AZ91D magnesium alloy were studied by controlling variable method.The grain refinement mechanism of rare earth elements on AZ91D alloy was analyzed. The results show that the...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | zho |
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Journal of Materials Engineering
2022-07-01
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| Series: | Cailiao gongcheng |
| Subjects: | |
| Online Access: | http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2021.000443 |
| _version_ | 1797964235603443712 |
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| author | YANG Xiangjie ZHENG Bin FU Lianghua YANG Yan |
| author_facet | YANG Xiangjie ZHENG Bin FU Lianghua YANG Yan |
| author_sort | YANG Xiangjie |
| collection | DOAJ |
| description | The effects of solo rare earth Y and combined rare earth Y and Sm elements on the microstructure and mechanical properties of AZ91D magnesium alloy were studied by controlling variable method.The grain refinement mechanism of rare earth elements on AZ91D alloy was analyzed. The results show that the effect of combined addition of rare earth Y and Sm on AZ91D alloy is better than that of solo addition of rare earth Y significantly. More effective heterogeneous nucleation sites for α-Mg are achieved by adding Y and Sm to AZ91D alloy produced bulk phase Al2Y and acicular phase Al2Sm. When the addition content is 0.8% (mass fraction) Y and 1.0%Sm, the α-Mg grain size is the smallest and most uniform. The hardness, tensile strength and elongation of the alloy are 67.42HV, 153.37 MPa and 3.62% respectively, the mechanical properties of as-cast AZ91D alloy at room temperature are improved. However, the mechanical properties of the AZ91D alloy at room temperature decrease after exceeding this optimum addition. |
| first_indexed | 2024-04-11T01:40:54Z |
| format | Article |
| id | doaj.art-1e333eb941624385ae2fc3114187b823 |
| institution | Directory Open Access Journal |
| issn | 1001-4381 |
| language | zho |
| last_indexed | 2024-04-11T01:40:54Z |
| publishDate | 2022-07-01 |
| publisher | Journal of Materials Engineering |
| record_format | Article |
| series | Cailiao gongcheng |
| spelling | doaj.art-1e333eb941624385ae2fc3114187b8232023-01-03T08:21:42ZzhoJournal of Materials EngineeringCailiao gongcheng1001-43812022-07-0150713914810.11868/j.issn.1001-4381.2021.00044320220714Effect of Y and Sm on microstructure and properties of AZ91D magnesium alloyYANG Xiangjie0ZHENG Bin1FU Lianghua2YANG Yan3College of Mechanical and Electrical Engineering, Nanchang University, Nanchang 330031, ChinaCollege of Mechanical and Electrical Engineering, Nanchang University, Nanchang 330031, ChinaCollege of Mechanical and Electrical Engineering, Nanchang University, Nanchang 330031, ChinaCollege of Mechanical and Electrical Engineering, Nanchang University, Nanchang 330031, ChinaThe effects of solo rare earth Y and combined rare earth Y and Sm elements on the microstructure and mechanical properties of AZ91D magnesium alloy were studied by controlling variable method.The grain refinement mechanism of rare earth elements on AZ91D alloy was analyzed. The results show that the effect of combined addition of rare earth Y and Sm on AZ91D alloy is better than that of solo addition of rare earth Y significantly. More effective heterogeneous nucleation sites for α-Mg are achieved by adding Y and Sm to AZ91D alloy produced bulk phase Al2Y and acicular phase Al2Sm. When the addition content is 0.8% (mass fraction) Y and 1.0%Sm, the α-Mg grain size is the smallest and most uniform. The hardness, tensile strength and elongation of the alloy are 67.42HV, 153.37 MPa and 3.62% respectively, the mechanical properties of as-cast AZ91D alloy at room temperature are improved. However, the mechanical properties of the AZ91D alloy at room temperature decrease after exceeding this optimum addition.http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2021.000443mischmetalmagnesium alloygrain refinementmechanical property |
| spellingShingle | YANG Xiangjie ZHENG Bin FU Lianghua YANG Yan Effect of Y and Sm on microstructure and properties of AZ91D magnesium alloy Cailiao gongcheng mischmetal magnesium alloy grain refinement mechanical property |
| title | Effect of Y and Sm on microstructure and properties of AZ91D magnesium alloy |
| title_full | Effect of Y and Sm on microstructure and properties of AZ91D magnesium alloy |
| title_fullStr | Effect of Y and Sm on microstructure and properties of AZ91D magnesium alloy |
| title_full_unstemmed | Effect of Y and Sm on microstructure and properties of AZ91D magnesium alloy |
| title_short | Effect of Y and Sm on microstructure and properties of AZ91D magnesium alloy |
| title_sort | effect of y and sm on microstructure and properties of az91d magnesium alloy |
| topic | mischmetal magnesium alloy grain refinement mechanical property |
| url | http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2021.000443 |
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