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Suppressing Effect of Heat TreatMent on the Portevin-Le Chatelier Phenomenon of Mg-4%Li-6%Zn-1.2%Y Alloy
Li, C. Q.1,2,3; Xu, D. K.2,3; Wang, B. J.3; Sheng, L. Y.4; Han, E. H.1,2,3
Corresponding AuthorXu, D. K.(dlxu@imr.ac.cn)
2016-12-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume32Issue:12Pages:1232-1238
AbstractMicrostructural evolution and Portevin-Le Chatelier (PLC) phenomenon of the as-extruded Mg-4%Li-6%Zn-1.2%Y alloy before and after heat treatment have been investigated. It has been demonstrated that for the as-extruded and solid solution treated (T4) samples, the PLC phenomenon could be obviously observed on tensile stress-strain curves. Moreover, the PLC phenomenon in T4 samples was more salient than that in the as-extruded condition, suggesting that the occurrence of PLC phenomenon was closely related to the super-saturation degree of solute atoms in the matrix. Since most of solute atoms were consumed for the formation of MgZn precipitates (beta(1)' and a little of beta(2)') during the subsequent ageing treatment (T6), the PLC phenomenon of T6 samples was eliminated. Meanwhile, due to the pinning effect of the formed MgZn precipitates on mobile dislocations, the tensile strength of T6 samples was relatively higher than those of the other two conditions. Copyright (C) 2016, The editorial office of Journal of Materials Science & Technology. Published by Elsevier Limited.
KeywordMg-Li alloy Heat treatment Portevin-Le Chatelier (PLC) effect Precipitates
Funding OrganizationNational Natural Science Foundation of China ; National Basic Research Program of China (973 Program) ; Innovation Fund of Institute of Metal Research (IMR), Chinese Academy of Sciences (CAS)
DOI10.1016/j.jmst.2016.09.018
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51271183] ; National Natural Science Foundation of China[51301172] ; National Basic Research Program of China (973 Program)[2013CB632205] ; Innovation Fund of 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:000392557600003
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/123631
Collection中国科学院金属研究所
Corresponding AuthorXu, D. K.
Affiliation1.Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Environm Corros Ctr, Shenyang 110016, Peoples R China
4.Peking Univ, Shenzhen Inst, Shenzhen Key Lab Human Tissue Regenerate & Repair, Shenzhen 518057, Peoples R China
Recommended Citation
GB/T 7714
Li, C. Q.,Xu, D. K.,Wang, B. J.,et al. Suppressing Effect of Heat TreatMent on the Portevin-Le Chatelier Phenomenon of Mg-4%Li-6%Zn-1.2%Y Alloy[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2016,32(12):1232-1238.
APA Li, C. Q.,Xu, D. K.,Wang, B. J.,Sheng, L. Y.,&Han, E. H..(2016).Suppressing Effect of Heat TreatMent on the Portevin-Le Chatelier Phenomenon of Mg-4%Li-6%Zn-1.2%Y Alloy.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,32(12),1232-1238.
MLA Li, C. Q.,et al."Suppressing Effect of Heat TreatMent on the Portevin-Le Chatelier Phenomenon of Mg-4%Li-6%Zn-1.2%Y Alloy".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 32.12(2016):1232-1238.
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