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Heterogeneous microstructure and voids dependence of tensile deformation in a selective laser melted AlSi10Mg alloy
Ben, D. D.1,2; Ma, Y. R.1,2; Yang, H. J.1,2; Meng, L. X.1,2; Shao, X. H.2,3; Liu, H. Q.1,2; Wang, S. G.3; Duan, Q. Q.1; Zhang, Z. F.1,2
Corresponding AuthorYang, H. J.(hjyang@imr.ac.cn) ; Zhang, Z. F.(zhfzhang@imr.ac.cn)
2020-11-04
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume798Pages:11
AbstractMicrostructure and voids evolution of a selective laser melted (SLM) AlSi10Mg alloy during tension were sys-tematically investigated. The SLM AlSi10Mg sample is featured with a multi-level heterogeneous microstructure that is composed of melt pools (MPs), columnar Al grains and sub-cells. According to the Si morphologies and thermal history, the MP could be divided into three regions, including the fine structure zone (FSZ), remelted zone (RMZ) and heat-affected zone (HAZ), respectively. The Si segregation phenomenon on sub-cells boundaries is observed and may attributed to the constitutional supercooling. The tensile deformation behaviors of the vertical sample (V-sample) vary from the horizontal sample (H-sample) for that heterogeneous microstructure arises strain localization in V-sample. In addition, the voids have no obvious effect on the uniform plastic deformation, while they may affect the non-uniform deformation during tension. The combined effects of strain localization and void contribute to the earlier break in V-samples than in H-samples.
KeywordAlSi10Mg alloy Selective laser melting Heterogeneous microstructures Strain localization Voids
Funding OrganizationNational Natural Science Foundation of China ; IMR foundation for Young merit scholars ; Youth Innovation Promotion Association CAS ; LiaoNing Natural Science Foundation ; LiaoNing Revitalization Talents Program
DOI10.1016/j.msea.2020.140109
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51975552] ; IMR foundation for Young merit scholars ; Youth Innovation Promotion Association CAS[2017235] ; LiaoNing Natural Science Foundation[2020-MS-007] ; LiaoNing Revitalization Talents Program[XLYC1808027]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000587267500004
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/141230
Collection中国科学院金属研究所
Corresponding AuthorYang, H. J.; Zhang, Z. F.
Affiliation1.Chinese Acad Sci, Lab Fatigue & Fracture Mat, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Dept Mat Sci & Engn, Shenyang 110016, Peoples R China
3.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Ben, D. D.,Ma, Y. R.,Yang, H. J.,et al. Heterogeneous microstructure and voids dependence of tensile deformation in a selective laser melted AlSi10Mg alloy[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2020,798:11.
APA Ben, D. D..,Ma, Y. R..,Yang, H. J..,Meng, L. X..,Shao, X. H..,...&Zhang, Z. F..(2020).Heterogeneous microstructure and voids dependence of tensile deformation in a selective laser melted AlSi10Mg alloy.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,798,11.
MLA Ben, D. D.,et al."Heterogeneous microstructure and voids dependence of tensile deformation in a selective laser melted AlSi10Mg alloy".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 798(2020):11.
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