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The effects of Ca and Mn on the microstructure, texture and mechanical properties of Mg-4 Zn alloy
Liu, Chunquan1; Chen, Xianhua1,2,3; Chen, Jiao1; Atrens, Andrej4; Pan, Fusheng1,2
Corresponding AuthorChen, Xianhua(xhchen@cqu.edu.cn)
2021-05-15
Source PublicationJOURNAL OF MAGNESIUM AND ALLOYS
ISSN2213-9567
Volume9Issue:3Pages:1084-1097
AbstractThe microstructural evolution, texture and mechanical properties of nine Mg-4Zn-xCa-yMn alloys (x = 0.3, 0.6, 1.0; y = 0.2, 0.3, 0.7 wt.%) were investigated systematically. Alloying with Ca and Mn refined the grains of the extruded sheets and increased the unDRX fraction. Mn could be the heterogeneous nucleation site of Ca2Mg6Zn3 phase because of a good atom matching at the orientation relationship of (211)(Mn)//(1211)(Ca2Mg6Zn3),< 251 >(Mn)//< 1103 >(Ca2Mg6Zn3). The traditional texture weakening effect of Ca was strongly decreased for the simultaneously addition of Mn. With increasing Ca and Mn concentration, the strength increased and ductility decreased. Mg-4Zn-0.6Ca-0.7Mn exhibited a good combination of ultimate tensile strength (320 MPa), yield strength (286 MPa) and elongation (16%). A model of strengthening indicated that grain boundary strengthening and precipitate strengthening made a large contribution to the strength of Mg-4Zn-0.6Ca-0.7Mn. In addition, the dynamic recrystallization, texture modification and the strengthening effect from different parts also have been analyzed in detail. (C) 2020 Chongqing University. Publishing services provided by Elsevier B.V. on behalf of KeAi Communications Co. Ltd.
KeywordMg-Zn-Ca-Mn alloy Texture Dynamic recrystallization Particle-stimulated nucleation Mechanical properties
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities
DOI10.1016/j.jma.2020.03.012
Indexed BySCI
Languageen
Funding ProjectNational Key R&D Program of China[2016YFB0301100] ; National Natural Science Foundation of China[51571043] ; Fundamental Research Funds for the Central Universities[2020CDJDPT001] ; Fundamental Research Funds for the Central Universities[cqu2018CDHB1A08]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000669426600025
PublisherKEAI PUBLISHING LTD
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/160216
Collection中国科学院金属研究所
Corresponding AuthorChen, Xianhua
Affiliation1.Chongqing Univ, Coll Mat Sci & Engn, Int Joint Lab Light Alloys MOE, Chongqing 400045, Peoples R China
2.Chongqing Univ, Natl Engn Res Ctr Magnesium Alloys, Chongqing 400045, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
4.Univ Queensland, Sch Mech & Min Engn, St Lucia, Qld 4072, Australia
Recommended Citation
GB/T 7714
Liu, Chunquan,Chen, Xianhua,Chen, Jiao,et al. The effects of Ca and Mn on the microstructure, texture and mechanical properties of Mg-4 Zn alloy[J]. JOURNAL OF MAGNESIUM AND ALLOYS,2021,9(3):1084-1097.
APA Liu, Chunquan,Chen, Xianhua,Chen, Jiao,Atrens, Andrej,&Pan, Fusheng.(2021).The effects of Ca and Mn on the microstructure, texture and mechanical properties of Mg-4 Zn alloy.JOURNAL OF MAGNESIUM AND ALLOYS,9(3),1084-1097.
MLA Liu, Chunquan,et al."The effects of Ca and Mn on the microstructure, texture and mechanical properties of Mg-4 Zn alloy".JOURNAL OF MAGNESIUM AND ALLOYS 9.3(2021):1084-1097.
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