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Heterogeneous microstructure and voids dependence of tensile deformation in a selective laser melted AlSi10Mg alloy
Ben, D. D.; Ma, Y. R.; Yang, H. J.; Meng, L. X.; Shao, X. H.; Liu, H. Q.; Wang, S. G.; Duan, Q. Q.; Zhang, Z. F.
2020-11-04
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume798
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.
DOI10.1016/j.msea.2020.140109
WOS IDWOS:000587267500004
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82372
Collection中国科学院金属研究所
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.
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.
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).
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