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Effect of Quasicrystal I-Phase on Microstructure and Mechanical Properties of Hot-Rolled Diphasic Mg-8 wt.% Li Alloy
Cai, Xiang1; Wang, Zan1; Wang, Xinyi2; Qiao, Yanxin2; Xu, Daokui3; Zhou, Jian1; Xue, Feng1
Corresponding AuthorCai, Xiang(18362894496@163.com)
2021-11-11
Source PublicationJOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
ISSN1059-9495
Pages11
AbstractThe microstructure and mechanical properties of hot-rolled Mg-8 wt.% Li and Mg-8 wt.% Li-6 wt.% Zn-1.2 wt.% Y alloys were investigated, and it was demonstrated that due to the formation of the I-phase (Mg3Zn6Y, icosahedral structure), the crystallographic texture and strength of the alloys is weakened and increased, respectively. At different hot-rolled ratios, the anisotropy (plasticity) of Mg-8 wt.% Li alloy exhibits obviously stronger than the Mg-8 wt.% Li-6 wt.% Zn-1.2 wt.% Y alloy. Failure analysis indicated that ductile fracture occurs along the rolling direction (RD), while quasi-cleavage fracture occurs along the transverse direction (TD). Cracks in the Mg-8 wt.% Li were found to be mainly initiated at the alpha-Mg phase and the two-phase boundary, which were respectively generated by tensile testing along the RD and TD. The cracks in the Mg-8 wt.% Li-6 wt.% Zn-1.2 wt.% Y alloy were confirmed to be located in the rich I-phase region of the alpha-Mg phase and at the junction site of the matrix phases.
Keywordmechanical anisotropy mechanical properties quasicrystalline rolling texture
Funding OrganizationNational Natural Science Foundation of China
DOI10.1007/s11665-021-06406-8
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51701129] ; National Natural Science Foundation of China[51871211]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000717436800005
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/167191
Collection中国科学院金属研究所
Corresponding AuthorCai, Xiang
Affiliation1.Southeast Univ, Sch Mat Sci & Engn, Nanjing 211189, Peoples R China
2.Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Zhenjiang 212003, Jiangsu, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Cai, Xiang,Wang, Zan,Wang, Xinyi,et al. Effect of Quasicrystal I-Phase on Microstructure and Mechanical Properties of Hot-Rolled Diphasic Mg-8 wt.% Li Alloy[J]. JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE,2021:11.
APA Cai, Xiang.,Wang, Zan.,Wang, Xinyi.,Qiao, Yanxin.,Xu, Daokui.,...&Xue, Feng.(2021).Effect of Quasicrystal I-Phase on Microstructure and Mechanical Properties of Hot-Rolled Diphasic Mg-8 wt.% Li Alloy.JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE,11.
MLA Cai, Xiang,et al."Effect of Quasicrystal I-Phase on Microstructure and Mechanical Properties of Hot-Rolled Diphasic Mg-8 wt.% Li Alloy".JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE (2021):11.
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