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Effects of icosahedral phase on mechanical anisotropy of as-extruded Mg-14Li (in wt%) based alloys
Li, Chuanqiang; Xu, Daokui; Wang, Baojie; Sheng, Liyuan; Wu, Ruizhi; Han, Enhou
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
Indexed BySCI
Language英语
WOS IDWOS:000497965900007
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80648
Collection中国科学院金属研究所
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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