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Effects of Cu and Ce co-addition on the microstructure and mechanical properties of Mg-6Zn-0.5Zr alloy
He, M. L.1,2; Luo, T. J.1,2; Liu, Y. T.3; Lin, T.3; Zhou, J. X.3; Yang, Y. S.1,2,3
Corresponding AuthorYang, Y. S.(ysyang@imr.ac.cn)
2018-10-30
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume767Pages:1216-1224
AbstractIn this work, the microalloying approach was adopted to improve the mechanical properties of Mg-6Zn-0.5Zr alloy by co-addition of trace Cu and Ce elements. The results showed that the grain size of the Mg-6Zn-0.5Zr-0.5Cu-0.5Ce alloy was refined, and MgZnCu and Mg-Zn-Ce phases formed by the microalloying of Cu and Ce. In addition, high-density nano-scale precipitates were found in the matrix after extrusion. The alloy with Cu and Ce addition showed a basal texture with a stronger texture intensity. The yield strength, ultimate tensile strength and elongation of the as-extruded Mg-6Zn-0.5Zr-0.5Cu-0.5Ce alloy were 304 MPa, 345 MPa and 20.0%, respectively. This work demonstrated a close microstructure-strength relationship in which the refined grain size and abundant nano-scale precipitates led to an increase in the tensile yield strength of approximately 59 MPa compared with that of the Cu and Ce free alloy. (C) 2018 Elsevier B.V. All rights reserved.
KeywordMagnesium alloy Microalloying Microstructure Nano-scale precipitates Tensile properties
Funding OrganizationNational Key Research and Development Program of China
DOI10.1016/j.jallcom.2018.07.169
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFB0301105]
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000446316500142
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/129831
Collection中国科学院金属研究所
Corresponding AuthorYang, Y. S.
Affiliation1.Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China
3.Shandong Key Lab High Strength Lightweight Metall, Jinan 250014, Shandong, Peoples R China
Recommended Citation
GB/T 7714
He, M. L.,Luo, T. J.,Liu, Y. T.,et al. Effects of Cu and Ce co-addition on the microstructure and mechanical properties of Mg-6Zn-0.5Zr alloy[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2018,767:1216-1224.
APA He, M. L.,Luo, T. J.,Liu, Y. T.,Lin, T.,Zhou, J. X.,&Yang, Y. S..(2018).Effects of Cu and Ce co-addition on the microstructure and mechanical properties of Mg-6Zn-0.5Zr alloy.JOURNAL OF ALLOYS AND COMPOUNDS,767,1216-1224.
MLA He, M. L.,et al."Effects of Cu and Ce co-addition on the microstructure and mechanical properties of Mg-6Zn-0.5Zr alloy".JOURNAL OF ALLOYS AND COMPOUNDS 767(2018):1216-1224.
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