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Hall-Petch relationship, twinning responses and their dependences on grain size in the rolled Mg-Zn and Mg-Y alloys
Shi, B. Q.1; Cheng, Y. Q.1; Shang, X. L.2; Yan, H.3; Chen, R. S.3; Ke, W.3
Corresponding AuthorCheng, Y. Q.(y.q.cheng@163.com) ; Chen, R. S.(rschen@imr.ac.cn)
2019-01-16
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume743Pages:558-566
AbstractThe rolled Mg-1.02Zn alloys with strong basal-textures and Mg-0.76Y alloys with weakened basal-textures were subjected to annealing in order to obtain different grain structures meanwhile keeping the textures nearly unchanged. Then tension testing and microstructure examination were applied to the Mg-1.02Zn and Mg-0.76Y alloys with different grain structures, aiming to validate the Hall-Petch relationship and related inner deformation modes. The tensile testing results show that the Mg-1.02Zn specimens exhibit two slope (k) of Hall-Petch relationships, that is, the coarse-grained ( > 49 mu m) specimens reveal an abnormally enhanced tendency of k (similar to 472 MPa mu m(1/2)) with increased strains while fine-grained (<= 49 mu m) specimens exhibit a slightly decreased tendency of k with increased strains. Contrastively, the Mg-0.76Y specimens follow a single slope of Hall-Petch relationship well in the grain regime with slightly declined k with increased strains. That could be attributed to the distinguished twinning responses and/or twinning-slipping interactions dependence of grain size in the studied alloys with different initial textures.
KeywordHall-Petch relationship Twinning Texture Grain size Magnesium alloys
Funding OrganizationNational Natural Science Foundation of China ; China Postdoctoral Science Foundation ; National Key Research and Development Program of China ; National Basic Research Program of China (973 Program) ; Guangdong Special Fund for Public Welfare Research and Capacity Building ; Guangdong Applied Science and Technology Research and Development Special Fund Project ; State Key Program of National Natural Science of China
DOI10.1016/j.msea.2018.04.063
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51205065] ; National Natural Science Foundation of China[51601193] ; China Postdoctoral Science Foundation[2018M630922] ; National Key Research and Development Program of China[2016YFB0301104] ; National Basic Research Program of China (973 Program)[2013CB632202] ; Guangdong Special Fund for Public Welfare Research and Capacity Building[2016A010103032] ; Guangdong Applied Science and Technology Research and Development Special Fund Project[2015B090926006] ; State Key Program of National Natural Science of China[51531002]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000456891500063
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/131864
Collection中国科学院金属研究所
Corresponding AuthorCheng, Y. Q.; Chen, R. S.
Affiliation1.Guangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Guangdong, Peoples R China
2.GD Midea Air Conditioning Equipment Co Ltd, Foshan 528311, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Grp Magnesium Alloys & Their Applicat, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Shi, B. Q.,Cheng, Y. Q.,Shang, X. L.,et al. Hall-Petch relationship, twinning responses and their dependences on grain size in the rolled Mg-Zn and Mg-Y alloys[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2019,743:558-566.
APA Shi, B. Q.,Cheng, Y. Q.,Shang, X. L.,Yan, H.,Chen, R. S.,&Ke, W..(2019).Hall-Petch relationship, twinning responses and their dependences on grain size in the rolled Mg-Zn and Mg-Y alloys.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,743,558-566.
MLA Shi, B. Q.,et al."Hall-Petch relationship, twinning responses and their dependences on grain size in the rolled Mg-Zn and Mg-Y alloys".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 743(2019):558-566.
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