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Fluidity, Microstructure, and Tensile Properties of Sub-rapidly Solidified Mg-6Al-4Zn-xSn (x=0, 0.6, 1.2, 1.8) Alloy
Cui, Jie1,2; Luo, Tianjiao2,3; Li, Yingju2,3; Feng, Xiaohui2,3; Huang, Qiuyan2,3; Yang, Yuansheng2,3
Corresponding AuthorYang, Yuansheng(ysyang@imr.ac.cn)
2021-05-13
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Pages12
AbstractIn this paper, the influence of the Sn element on the melt viscosity, grain size, shrinkage, and tensile properties of the sub-rapidly solidified Mg-6Al-4Zn alloy was studied. The results showed that the melt viscosity of the Mg-6Al-4Zn alloy was greatly decreased because of the addition of Sn. As the content of Sn increased from 0 to 1.8 wt.%, the grain size of the alloy was refined, and the dendrite microstructure was changed to rose-shaped ones simultaneously. The decreased melt viscosity and refined microstructure were conductive to the feeding of melt, which contributed to the reduction in volume fraction of shrinkage. The volume fraction of shrinkage of the Mg-6Al-4Zn-1.2Sn alloy was reduced by 30.8%, compared with that of the alloy without Sn addition. Tensile properties of the Mg-6Al-4Zn-xSn alloys were increased firstly and then decreased with the augmented Sn content. The yield strength, ultimate tensile strength, and elongation of the alloy containing 1.2 wt.% Sn were 21.4%, 39.5%, and 259.0% higher than those of the alloy without Sn addition, respectively. The addition of Sn was considered to reduce the shrinkage of the sub-rapidly solidified Mg-6Al-4Zn magnesium alloy and thus improved its tensile properties. To identify the mechanism, the effect of Sn on the volume fraction of shrinkage was discussed from three aspects of melt viscosity, grain refinement, and volume fraction of eutectic phases.
KeywordMagnesium alloy Melt viscosity Grain size Shrinkage Tensile properties
Funding OrganizationNational Key Research and Development Program of China ; Key Research and Development Project of Liaoning Province ; Key Research and Development Plan of Shandong Province
DOI10.1007/s40195-021-01247-9
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2018YFE115800] ; Key Research and Development Project of Liaoning Province[2019JH2/10100008] ; Key Research and Development Plan of Shandong Province[2019JZZY020329]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000650107400001
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/161843
Collection中国科学院金属研究所
Corresponding AuthorYang, Yuansheng
Affiliation1.Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
3.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Cui, Jie,Luo, Tianjiao,Li, Yingju,et al. Fluidity, Microstructure, and Tensile Properties of Sub-rapidly Solidified Mg-6Al-4Zn-xSn (x=0, 0.6, 1.2, 1.8) Alloy[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2021:12.
APA Cui, Jie,Luo, Tianjiao,Li, Yingju,Feng, Xiaohui,Huang, Qiuyan,&Yang, Yuansheng.(2021).Fluidity, Microstructure, and Tensile Properties of Sub-rapidly Solidified Mg-6Al-4Zn-xSn (x=0, 0.6, 1.2, 1.8) Alloy.ACTA METALLURGICA SINICA-ENGLISH LETTERS,12.
MLA Cui, Jie,et al."Fluidity, Microstructure, and Tensile Properties of Sub-rapidly Solidified Mg-6Al-4Zn-xSn (x=0, 0.6, 1.2, 1.8) Alloy".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2021):12.
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