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Effects of icosahedral phase on mechanical anisotropy of as-extruded Mg-14Li (in wt%) based alloys

文献类型：期刊论文

作者Li, Chuanqiang1,2,3; Xu, Daokui2; Wang, Baojie1,4; Sheng, Liyuan1; Wu, Ruizhi5; Han, Enhou2
刊名JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
出版日期2019-11-01
卷号35期号:11页码:2477-2484
关键词Mg-Li alloys Texture I-phase Mechanical anisotropy Fracture
ISSN号1005-0302
DOI10.1016/j.jmst.2019.07.028
通讯作者Xu, Daokui(dkxu@imr.ac.cn) ; Wang, Baojie(bjwang@alum.imr.ac.cn) ; Han, Enhou(ehhan@imr.ac.cn)
英文摘要Through 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.
资助项目Strategic 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研究方向Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000497965900007
出版者JOURNAL MATER SCI TECHNOL
资助机构Strategic 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)
源URL[http://ir.imr.ac.cn/handle/321006/135970]  
专题金属研究所_中国科学院金属研究所
通讯作者Xu, Daokui; Wang, Baojie; Han, Enhou
作者单位1.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
推荐引用方式
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.

入库方式： OAI收割

来源：金属研究所

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