Directed energy deposition of AlSi10Mg: Single track nonscalability and bulk properties
Additive manufacturing of Al alloys presents an opportunity to produce complex parts that leverage their high specific strength. This paper aims to study the effect of processing parameters on the fabrication of single tracks and thin walls using AlSi10Mg powder in L-DED. A processing window was ide...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2020-09-01
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| Series: | Materials & Design |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S0264127520303816 |
| _version_ | 1818259622764478464 |
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| author | Parnian Kiani Alexander D. Dupuy Kaka Ma Julie M. Schoenung |
| author_facet | Parnian Kiani Alexander D. Dupuy Kaka Ma Julie M. Schoenung |
| author_sort | Parnian Kiani |
| collection | DOAJ |
| description | Additive manufacturing of Al alloys presents an opportunity to produce complex parts that leverage their high specific strength. This paper aims to study the effect of processing parameters on the fabrication of single tracks and thin walls using AlSi10Mg powder in L-DED. A processing window was identified to enable continuous single track deposition with a regular shape. Deposition of thin walls and single tracks were used as a guideline to deposit blocks. Blocks were deposited using L-DED, and the physical, microstructural, and mechanical properties of the samples were investigated. Results demonstrated that the morphology of the thin walls were a better indicator of the morphology of the block samples than single tracks were, and care must be taken when transitioning from depositing single tracks to bulk (thin walls and blocks) samples. Results from mechanical testing show slight inhomogeneity as a function of height within the build for elongation and ultimate tensile strength. Microhardness and yield strength, however, were mostly uniform throughout the build. Overall, the results of this study demonstrate that L-DED is suitable for depositing AlSi10Mg and obtaining mechanical properties superior to those achieved through casting. |
| first_indexed | 2024-12-12T18:18:22Z |
| format | Article |
| id | doaj.art-5712c72457d047e09ec5832d3d913a2d |
| institution | Directory Open Access Journal |
| issn | 0264-1275 |
| language | English |
| last_indexed | 2024-12-12T18:18:22Z |
| publishDate | 2020-09-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Materials & Design |
| spelling | doaj.art-5712c72457d047e09ec5832d3d913a2d2022-12-22T00:16:13ZengElsevierMaterials & Design0264-12752020-09-01194108847Directed energy deposition of AlSi10Mg: Single track nonscalability and bulk propertiesParnian Kiani0Alexander D. Dupuy1Kaka Ma2Julie M. Schoenung3Department of Materials Science and Engineering, University of California, Irvine, CA 92697, United States of AmericaDepartment of Materials Science and Engineering, University of California, Irvine, CA 92697, United States of AmericaDepartment of Mechanical Engineering and School of Advanced Materials Discovery, Colorado State University, Fort Collins, CO 80523, United States of AmericaDepartment of Materials Science and Engineering, University of California, Irvine, CA 92697, United States of America; Corresponding author.Additive manufacturing of Al alloys presents an opportunity to produce complex parts that leverage their high specific strength. This paper aims to study the effect of processing parameters on the fabrication of single tracks and thin walls using AlSi10Mg powder in L-DED. A processing window was identified to enable continuous single track deposition with a regular shape. Deposition of thin walls and single tracks were used as a guideline to deposit blocks. Blocks were deposited using L-DED, and the physical, microstructural, and mechanical properties of the samples were investigated. Results demonstrated that the morphology of the thin walls were a better indicator of the morphology of the block samples than single tracks were, and care must be taken when transitioning from depositing single tracks to bulk (thin walls and blocks) samples. Results from mechanical testing show slight inhomogeneity as a function of height within the build for elongation and ultimate tensile strength. Microhardness and yield strength, however, were mostly uniform throughout the build. Overall, the results of this study demonstrate that L-DED is suitable for depositing AlSi10Mg and obtaining mechanical properties superior to those achieved through casting.http://www.sciencedirect.com/science/article/pii/S0264127520303816Additive manufacturingDirected energy depositionAlSi10MgScalabilityMechanical properties |
| spellingShingle | Parnian Kiani Alexander D. Dupuy Kaka Ma Julie M. Schoenung Directed energy deposition of AlSi10Mg: Single track nonscalability and bulk properties Materials & Design Additive manufacturing Directed energy deposition AlSi10Mg Scalability Mechanical properties |
| title | Directed energy deposition of AlSi10Mg: Single track nonscalability and bulk properties |
| title_full | Directed energy deposition of AlSi10Mg: Single track nonscalability and bulk properties |
| title_fullStr | Directed energy deposition of AlSi10Mg: Single track nonscalability and bulk properties |
| title_full_unstemmed | Directed energy deposition of AlSi10Mg: Single track nonscalability and bulk properties |
| title_short | Directed energy deposition of AlSi10Mg: Single track nonscalability and bulk properties |
| title_sort | directed energy deposition of alsi10mg single track nonscalability and bulk properties |
| topic | Additive manufacturing Directed energy deposition AlSi10Mg Scalability Mechanical properties |
| url | http://www.sciencedirect.com/science/article/pii/S0264127520303816 |
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