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Effects of icosahedral phase on mechanical anisotropy of as-extruded Mg-14Li (in wt%) based alloys
Li, Chuanqiang1,2,3; Xu, Daokui2; Wang, Baojie1,4; Sheng, Liyuan1; Wu, Ruizhi5; Han, Enhou2
Corresponding AuthorXu, Daokui(dkxu@imr.ac.cn) ; Wang, Baojie(bjwang@alum.imr.ac.cn) ; Han, Enhou(ehhan@imr.ac.cn)
2019-11-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume35Issue:11Pages:2477-2484
AbstractThrough investigating and comparing microstructure and crystallographic texture of as-extruded Mg-14Li and Mg-14U-6Zn-1Y (in wt%) alloys, the differences in their mechanical anisotropy were investigated. It revealed that the formation of I-phase (Mg3Zn6Y, icosahedral structure) can effectively refine grain size. Moreover, compared with Mg-14Li alloy, the texture type of Mg-14Li-6Zn-1Y alloy changed slightly, but its texture intensity decreased remarkably. As a result, the stronger texture contributed to the "normal" mechanical anisotropy of Mg-14Li alloy with higher tensile strength and a lower elongation ratio along transverse direction (TD) than those along extrusion direction (ED). However, for Mg-14Li-6Zn-1Y alloy, the zonal distribution of I-phase particles along ED caused "abnormal" mechanical anisotropy, i.e. higher tensile strength and better plasticity along ED. (C) 2019 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordMg-Li alloys Texture I-phase Mechanical anisotropy Fracture
Funding OrganizationStrategic New Industry Development Special Foundation of Shenzhen ; National Natural Science Foundation of China ; Natural Science Foundation of Guangdong Province ; International Joint Laboratory for Light Alloys ; National Key Research and Development Program of China ; Liaoning BaiQianWan Talents Program ; Institute of Metal Research (IMR),Chinese Academy of Sciences (CAS)
DOI10.1016/j.jmst.2019.07.028
Indexed BySCI
Language英语
Funding ProjectStrategic New Industry Development Special Foundation of Shenzhen[JCYJ20170306141749970] ; National Natural Science Foundation of China[51871211] ; National Natural Science Foundation of China[51701129] ; Natural Science Foundation of Guangdong Province[2018A030313950] ; International Joint Laboratory for Light Alloys ; National Key Research and Development Program of China[2017YFB0702001] ; National Key Research and Development Program of China[2016YFB0301105] ; Liaoning BaiQianWan Talents Program ; Institute of Metal Research (IMR),Chinese Academy of Sciences (CAS)
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000497965900007
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/135971
Collection中国科学院金属研究所
Corresponding AuthorXu, Daokui; Wang, Baojie; Han, Enhou
Affiliation1.Peking Univ, Shenzhen Inst, Shenzhen Key Lab Human Tissue Regenerate & Repair, Shenzhen 518057, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Liaoning, Peoples R China
3.Guangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Guangdong, Peoples R China
4.Shenyang Ligong Univ, Sch Environm & Chem Engn, Shenyang 110159, Liaoning, Peoples R China
5.Harbin Engn Univ, Minist Educ, Key Lab Superlight Mat & Surface Technol, Harbin 150001, Heilongjiang, Peoples R China
Recommended Citation
GB/T 7714
Li, Chuanqiang,Xu, Daokui,Wang, Baojie,et al. Effects of icosahedral phase on mechanical anisotropy of as-extruded Mg-14Li (in wt%) based alloys[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2019,35(11):2477-2484.
APA Li, Chuanqiang,Xu, Daokui,Wang, Baojie,Sheng, Liyuan,Wu, Ruizhi,&Han, Enhou.(2019).Effects of icosahedral phase on mechanical anisotropy of as-extruded Mg-14Li (in wt%) based alloys.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,35(11),2477-2484.
MLA Li, Chuanqiang,et al."Effects of icosahedral phase on mechanical anisotropy of as-extruded Mg-14Li (in wt%) based alloys".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 35.11(2019):2477-2484.
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