Features and classification of solid solution behavior of ternary Mg alloys
The performance of Mg alloys is significantly influenced by the concentrations and solid solution behavior of the alloying elements. In this work, the solid solution behavior of 20 alloying elements in 190 ternary Mg alloy systems at 500 °C are systematically investigated. The solid solution behavio...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co., Ltd.
2025-06-01
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| Series: | Journal of Magnesium and Alloys |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2213956724000069 |
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| author | Tao Chen Yuan Yuan Jun Wang Jiajia Wu Bin Wang Xianhua Chen Nele Moelans Jingfeng Wang Fusheng Pan |
| author_facet | Tao Chen Yuan Yuan Jun Wang Jiajia Wu Bin Wang Xianhua Chen Nele Moelans Jingfeng Wang Fusheng Pan |
| author_sort | Tao Chen |
| collection | DOAJ |
| description | The performance of Mg alloys is significantly influenced by the concentrations and solid solution behavior of the alloying elements. In this work, the solid solution behavior of 20 alloying elements in 190 ternary Mg alloy systems at 500 °C are systematically investigated. The solid solution behavior of a set of two different alloying elements in Mg alloy systems are suggested to be classified into three categories: inclusivity, exclusivity and proportionality. Inclusivity classification indicates that the two alloying elements are inclusive in α-Mg, increasing the joint solubility of both elements. Exclusivity classification suggests that the two alloying elements have a low joint solid solubility in α-Mg, since they prefer to form stable second phases. For the proportionality classification, the solubility curve of the ternary Mg alloy systems is a straight line connecting the solubility points of the two sub-binary systems. The proposed classification theory was validated by key experiments and the calculation of formation energies. The interaction effects between alloying elements and the preference of formation of second phases are the main factors determining the solid solution behavior classifications. Based on the observed solid solution features of multi-component Mg alloys, principles for alloy design of different types of high-performance Mg alloys were proposed in this work. |
| format | Article |
| id | doaj-art-3eb83a73945d48a29e83aaa6d55f6eaa |
| institution | Kabale University |
| issn | 2213-9567 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | Journal of Magnesium and Alloys |
| spelling | doaj-art-3eb83a73945d48a29e83aaa6d55f6eaa2025-08-20T03:50:31ZengKeAi Communications Co., Ltd.Journal of Magnesium and Alloys2213-95672025-06-011362522253910.1016/j.jma.2023.11.011Features and classification of solid solution behavior of ternary Mg alloysTao Chen0Yuan Yuan1Jun Wang2Jiajia Wu3Bin Wang4Xianhua Chen5Nele Moelans6Jingfeng Wang7Fusheng Pan8National Engineering Research Center for Magnesium Alloys, College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, China; Lanxi Magnesium Materials Research Institute, Lanxi, 321100, ChinaNational Engineering Research Center for Magnesium Alloys, College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, China; Corresponding author.National Engineering Research Center for Magnesium Alloys, College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, ChinaNational Engineering Research Center for Magnesium Alloys, College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, ChinaLanxi Magnesium Materials Research Institute, Lanxi, 321100, ChinaNational Engineering Research Center for Magnesium Alloys, College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, China; Lanxi Magnesium Materials Research Institute, Lanxi, 321100, ChinaDepartment of Materials Engineering, KU Leuven, Leuven, 3001, BelgiumNational Engineering Research Center for Magnesium Alloys, College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, ChinaNational Engineering Research Center for Magnesium Alloys, College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, China; Lanxi Magnesium Materials Research Institute, Lanxi, 321100, ChinaThe performance of Mg alloys is significantly influenced by the concentrations and solid solution behavior of the alloying elements. In this work, the solid solution behavior of 20 alloying elements in 190 ternary Mg alloy systems at 500 °C are systematically investigated. The solid solution behavior of a set of two different alloying elements in Mg alloy systems are suggested to be classified into three categories: inclusivity, exclusivity and proportionality. Inclusivity classification indicates that the two alloying elements are inclusive in α-Mg, increasing the joint solubility of both elements. Exclusivity classification suggests that the two alloying elements have a low joint solid solubility in α-Mg, since they prefer to form stable second phases. For the proportionality classification, the solubility curve of the ternary Mg alloy systems is a straight line connecting the solubility points of the two sub-binary systems. The proposed classification theory was validated by key experiments and the calculation of formation energies. The interaction effects between alloying elements and the preference of formation of second phases are the main factors determining the solid solution behavior classifications. Based on the observed solid solution features of multi-component Mg alloys, principles for alloy design of different types of high-performance Mg alloys were proposed in this work.http://www.sciencedirect.com/science/article/pii/S2213956724000069Mg alloysSolution behaviorPhase diagramAlloy design |
| spellingShingle | Tao Chen Yuan Yuan Jun Wang Jiajia Wu Bin Wang Xianhua Chen Nele Moelans Jingfeng Wang Fusheng Pan Features and classification of solid solution behavior of ternary Mg alloys Journal of Magnesium and Alloys Mg alloys Solution behavior Phase diagram Alloy design |
| title | Features and classification of solid solution behavior of ternary Mg alloys |
| title_full | Features and classification of solid solution behavior of ternary Mg alloys |
| title_fullStr | Features and classification of solid solution behavior of ternary Mg alloys |
| title_full_unstemmed | Features and classification of solid solution behavior of ternary Mg alloys |
| title_short | Features and classification of solid solution behavior of ternary Mg alloys |
| title_sort | features and classification of solid solution behavior of ternary mg alloys |
| topic | Mg alloys Solution behavior Phase diagram Alloy design |
| url | http://www.sciencedirect.com/science/article/pii/S2213956724000069 |
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