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Microstructure and mechanical properties of Mg-5Zn-3.5Sn-1Mn-0.5Ca-0.5Cu alloy
Wang, Cong; Luo, Tianjiao; Liu, Yunteng; Lin, Tao; Yang, Yuansheng
2019
Source PublicationMATERIALS CHARACTERIZATION
ISSN1044-5803
Volume147Pages:406-413
AbstractA new Mg-5Zn-3.5Sn-1Mn-0.5Ca-0.5Cu alloy with high strength is developed and the microstructure and mechanical properties of the alloy in the as-cast, extruded and aged states are investigated. The as-cast alloy contains alpha-Mg, MgZn2, Mg2Sn and MgSnCa phase. The extrusion process refines the microstructure and leads to fully dynamic recrystallized grains with a tilted basal texture, which results in moderate mechanical properties of the extruded alloy. Ca acts synergistically with Cu in promoting age hardening and the combined addition of Ca and Cu significantly enhances the peak hardness of the alloy after double aging treatment, the effect is more obvious than the alloys with single addition of Ca or Cu. Fine and densely distributed Mg-Zn and Mg2Sn precipitate after double aging treatment, which contributes to the strengthening of the alloy. The yield strength, ultimate tensile strength and elongation of the alloy after double aging treatment reach 392 MPa, 401 MPa and 7%, respectively.
KeywordMg-Zn-Sn-Mn-Ca-Cu Double aging Precipitate Mechanical properties
Indexed BySCI
Language英语
WOS IDWOS:000457510100044
PublisherELSEVIER SCIENCE INC
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81487
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Wang, Cong,Luo, Tianjiao,Liu, Yunteng,et al. Microstructure and mechanical properties of Mg-5Zn-3.5Sn-1Mn-0.5Ca-0.5Cu alloy[J]. MATERIALS CHARACTERIZATION,2019,147:406-413.
APA Wang, Cong,Luo, Tianjiao,Liu, Yunteng,Lin, Tao,&Yang, Yuansheng.(2019).Microstructure and mechanical properties of Mg-5Zn-3.5Sn-1Mn-0.5Ca-0.5Cu alloy.MATERIALS CHARACTERIZATION,147,406-413.
MLA Wang, Cong,et al."Microstructure and mechanical properties of Mg-5Zn-3.5Sn-1Mn-0.5Ca-0.5Cu alloy".MATERIALS CHARACTERIZATION 147(2019):406-413.
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