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Effect of icosahedral phase on the crystallographic texture and mechanical anisotropy of duplex structured Mg-Li alloys
Xu, D. K.; Li, C. Q.; Wang, B. J.; Han, E. H.; dkxu@imr.ac.cn
2015
Source PublicationMATERIALS & DESIGN
ISSN0261-3069
Volume88Pages:88-97
AbstractThrough comparing the microstructure and mechanical properties of Mg-6%Li and Mg-6%Li-6%Zn-1.2%Y alloys, the difference in their mechanical anisotropy have been deeply investigated. Due to the formation of I-phase (Mg3Zn6Y, icosohedral structure), the volume fraction of beta-Li phases formed in Mg-6%Li-6%Zn-1.2%Y alloy was two times higher than that in Mg-6%Li alloy even these two alloys having the same Li content. Texture analysis demonstrated that I-phase particle stimulated nucleation of recrystallization (PSN) and the formation of higher volume fraction of beta-Li phases can remarkably weaken the basal texture of alpha-Mg phases, resulting in a very weak mechanical anisotropy. On the contrary, the basal texture of the alpha-Mg phases in Mg-6%Li alloy was quite strong and obvious mechanical anisotropy between differently oriented samples can be observed. (C) 2015 Elsevier Ltd. All rights reserved.
description.department[xu, d. k. ; li, c. q. ; wang, b. j. ; han, e. h.] chinese acad sci, inst met res, environm corros ctr, shenyang 110016, peoples r china
KeywordI-phase Duplex Structure Texture Mechanical Anisotropy Fracture
Funding OrganizationNational Natural Science Foundation of China [51271183, 51171192, 51301172]; National Basic Research Program of China (973 Program) [2013CB632205]; Innovation Fund of Institute of Metal Research (IMR), Chinese Academy of Sciences (CAS)
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74755
Collection中国科学院金属研究所
Corresponding Authordkxu@imr.ac.cn
Recommended Citation
GB/T 7714
Xu, D. K.,Li, C. Q.,Wang, B. J.,et al. Effect of icosahedral phase on the crystallographic texture and mechanical anisotropy of duplex structured Mg-Li alloys[J]. MATERIALS & DESIGN,2015,88:88-97.
APA Xu, D. K.,Li, C. Q.,Wang, B. J.,Han, E. H.,&dkxu@imr.ac.cn.(2015).Effect of icosahedral phase on the crystallographic texture and mechanical anisotropy of duplex structured Mg-Li alloys.MATERIALS & DESIGN,88,88-97.
MLA Xu, D. K.,et al."Effect of icosahedral phase on the crystallographic texture and mechanical anisotropy of duplex structured Mg-Li alloys".MATERIALS & DESIGN 88(2015):88-97.
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