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Research on Microstructure and Properties of AlSi10Mg Fabricated by Selective Laser Melting
In order to obtain high-performance aluminum alloy parts fabricated by selective laser melting, this paper investigates the relationship between the process parameters and microstructure properties of AlSi10Mg. The appropriate process parameters are obtained: the layer thickness is 0.03 mm, the lase...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8999733/ https://www.ncbi.nlm.nih.gov/pubmed/35407863 http://dx.doi.org/10.3390/ma15072528 |
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author | Pan, Wei Ye, Zhanggen Zhang, Yongzhong Liu, Yantao Liang, Bo Zhai, Ziyu |
author_facet | Pan, Wei Ye, Zhanggen Zhang, Yongzhong Liu, Yantao Liang, Bo Zhai, Ziyu |
author_sort | Pan, Wei |
collection | PubMed |
description | In order to obtain high-performance aluminum alloy parts fabricated by selective laser melting, this paper investigates the relationship between the process parameters and microstructure properties of AlSi10Mg. The appropriate process parameters are obtained: the layer thickness is 0.03 mm, the laser power is 370 W, the scanning speed is 1454 mm/s, and the hatch spacing is 0.16 mm. With these process parameters, the ultimate tensile strength of the as-printed status is 500.7 ± 0.8 MPa, the yield strength is 311.5 ± 5.9 MPa, the elongation is 7.7 ± 0.5%, and the relative density is 99.94%. After annealing treatment at 275 °C for 2 h, the ultimate tensile strength is 310.8 ± 1.3 MPa, the yield strength is 198.0 ± 2.0 MPa, and the elongation is 13.7 ± 0.6%. The mechanical properties are mainly due to the high relative density, supersaturate solid solution, and fine dispersed Si. The supersaturate solid solution and nano-sized Si formed by the high cooling rate of SLM. After annealing treatment, the Si have been granulated and grown significantly. The ultimate tensile strength and yield strength are reduced, and the elongation is significantly improved. |
format | Online Article Text |
id | pubmed-8999733 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-89997332022-04-12 Research on Microstructure and Properties of AlSi10Mg Fabricated by Selective Laser Melting Pan, Wei Ye, Zhanggen Zhang, Yongzhong Liu, Yantao Liang, Bo Zhai, Ziyu Materials (Basel) Article In order to obtain high-performance aluminum alloy parts fabricated by selective laser melting, this paper investigates the relationship between the process parameters and microstructure properties of AlSi10Mg. The appropriate process parameters are obtained: the layer thickness is 0.03 mm, the laser power is 370 W, the scanning speed is 1454 mm/s, and the hatch spacing is 0.16 mm. With these process parameters, the ultimate tensile strength of the as-printed status is 500.7 ± 0.8 MPa, the yield strength is 311.5 ± 5.9 MPa, the elongation is 7.7 ± 0.5%, and the relative density is 99.94%. After annealing treatment at 275 °C for 2 h, the ultimate tensile strength is 310.8 ± 1.3 MPa, the yield strength is 198.0 ± 2.0 MPa, and the elongation is 13.7 ± 0.6%. The mechanical properties are mainly due to the high relative density, supersaturate solid solution, and fine dispersed Si. The supersaturate solid solution and nano-sized Si formed by the high cooling rate of SLM. After annealing treatment, the Si have been granulated and grown significantly. The ultimate tensile strength and yield strength are reduced, and the elongation is significantly improved. MDPI 2022-03-30 /pmc/articles/PMC8999733/ /pubmed/35407863 http://dx.doi.org/10.3390/ma15072528 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Pan, Wei Ye, Zhanggen Zhang, Yongzhong Liu, Yantao Liang, Bo Zhai, Ziyu Research on Microstructure and Properties of AlSi10Mg Fabricated by Selective Laser Melting |
title | Research on Microstructure and Properties of AlSi10Mg Fabricated by Selective Laser Melting |
title_full | Research on Microstructure and Properties of AlSi10Mg Fabricated by Selective Laser Melting |
title_fullStr | Research on Microstructure and Properties of AlSi10Mg Fabricated by Selective Laser Melting |
title_full_unstemmed | Research on Microstructure and Properties of AlSi10Mg Fabricated by Selective Laser Melting |
title_short | Research on Microstructure and Properties of AlSi10Mg Fabricated by Selective Laser Melting |
title_sort | research on microstructure and properties of alsi10mg fabricated by selective laser melting |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8999733/ https://www.ncbi.nlm.nih.gov/pubmed/35407863 http://dx.doi.org/10.3390/ma15072528 |
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