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Microstructure and mechanical properties of as-cast Mg-4Zn-0.5Zr-0.2Cu-0.2Ce alloy
He, M. L.1,2; Luo, T. J.1,2; Zhou, J. X.3; Yang, Y. S.1,2,3
Corresponding AuthorYang, Y. S.(ysyang@imr.ac.cn)
2018
Source PublicationMATERIALS SCIENCE AND TECHNOLOGY
ISSN0267-0836
Volume34Issue:11Pages:1370-1378
AbstractIn this study, an approach is proposed to improve the microstructure and mechanical properties of Mg-4Zn-0.5Zr alloy by combining trace Cu and rare earth Ce addition. The results showed that Cu and Ce additions led to obvious grain refinement and the formation of Mg-Zn-Cu and Mg-Zn-Ce phases. The Mg-Zn-Ce phase was identified to have an orthorhombic structure. The length of the [0001](alpha) rods in the Cu-containing alloys remarkably decreased. The yield strength increased slightly after Cu and Ce co-addition, which was attributed to grain refinement and precipitation strengthening. The coarse Mg-Zn-Ce phase distributed at the grain boundaries would reduce the ductility by promoting crack propagation during tensile processes.
KeywordMicroalloying Copper Cerium Microstructure tensile properties Magnesium alloy
DOI10.1080/02670836.2018.1457288
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000440970800012
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/129005
Collection中国科学院金属研究所
Corresponding AuthorYang, Y. S.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei, Anhui, Peoples R China
3.Shandong Key Lab High Strength Lightweight Metall, Jinan, Shandong, Peoples R China
Recommended Citation
GB/T 7714
He, M. L.,Luo, T. J.,Zhou, J. X.,et al. Microstructure and mechanical properties of as-cast Mg-4Zn-0.5Zr-0.2Cu-0.2Ce alloy[J]. MATERIALS SCIENCE AND TECHNOLOGY,2018,34(11):1370-1378.
APA He, M. L.,Luo, T. J.,Zhou, J. X.,&Yang, Y. S..(2018).Microstructure and mechanical properties of as-cast Mg-4Zn-0.5Zr-0.2Cu-0.2Ce alloy.MATERIALS SCIENCE AND TECHNOLOGY,34(11),1370-1378.
MLA He, M. L.,et al."Microstructure and mechanical properties of as-cast Mg-4Zn-0.5Zr-0.2Cu-0.2Ce alloy".MATERIALS SCIENCE AND TECHNOLOGY 34.11(2018):1370-1378.
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