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Effect of Zn and Cu Addition on Mechanical Properties of As-Extruded Mg-3Sn-1Ca Alloy

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College of Mechanical Engineering, Shenyang University, Shenyang 110044, China
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Author to whom correspondence should be addressed.
Academic Editor: Andrey Belyakov
Materials 2022, 15(13), 4438; https://doi.org/10.3390/ma15134438
Received: 19 May 2022 / Revised: 20 June 2022 / Accepted: 21 June 2022 / Published: 23 June 2022
(This article belongs to the Section Mechanics of Materials)
The effects of Zn and Cu addition on the microstructure and mechanical properties of the extruded Mg-3Sn-1Ca alloy were systematically studied. The effects of the grain size, texture, type and distribution of the second phase on the mechanical properties of the alloy were analyzed. The mechanical test results show that the addition of Zn and Cu elements can significantly improve the mechanical properties of the alloy. The as-extruded Mg-3Sn-1Ca-1Zn-1Cu alloy has the best comprehensive mechanical properties, and the UTS, YS and EL are 244 MPa, 159 MPa and 13.4%, respectively. Compared with the Mg-3Sn-1Ca alloy, the UTS and EL of the Mg-3Sn-1Ca-1Zn alloy are increased by 50 MPa and 132%, respectively. However, the UTS of the TXC311 alloy is increased by 55 MPa, but the ductility of the Mg-3Sn-1Ca-1Cu alloy is far less than that of the Mg-3Sn-1Ca-1Zn alloy, which is mainly attributed to the presence of a large amount of hard and brittle Mg2Cu phase in the alloy. Interestingly, the addition of Zn to Mg-3Sn-1Ca-1Cu alloy can improve the elongation of the alloy, which is due to the solid solution strengthening caused by the Zn element and the formation of small MgZnCu phase with Zn element and the consumption of Mg2Cu phase. View Full-Text
Keywords: Mg-3Sn-1Ca alloy; extrusion; Mg2Cu phase; texture; mechanical properties Mg-3Sn-1Ca alloy; extrusion; Mg2Cu phase; texture; mechanical properties
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MDPI and ACS Style

Jia, Z.; Yu, B.; Fu, L. Effect of Zn and Cu Addition on Mechanical Properties of As-Extruded Mg-3Sn-1Ca Alloy. Materials 2022, 15, 4438. https://doi.org/10.3390/ma15134438

AMA Style

Jia Z, Yu B, Fu L. Effect of Zn and Cu Addition on Mechanical Properties of As-Extruded Mg-3Sn-1Ca Alloy. Materials. 2022; 15(13):4438. https://doi.org/10.3390/ma15134438

Chicago/Turabian Style

Jia, Zheng, Bing Yu, and Li Fu. 2022. "Effect of Zn and Cu Addition on Mechanical Properties of As-Extruded Mg-3Sn-1Ca Alloy" Materials 15, no. 13: 4438. https://doi.org/10.3390/ma15134438

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