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Thermo-mechanical simulations of selective laser melting for AlSi10Mg alloy to predict the part-scale deformations

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Abstract

Selective laser melting (SLM) is one of the most frequently employed metal additive manufacturing methods. Various industries such as aerospace, automotive, biomedical, and tooling utilize SLM parts. Although it has a wide scope of applications, it demands a thorough understanding to supply reliable parts. Thus, process simulations are key methods to optimize the process and to shorten the product development time. SLM allows manufacturing of steel, nickel, cobalt, chromium, titanium, and aluminum alloy parts. Aluminum alloys are one of the most common materials processed in the manufacturing industry, and AlSi10Mg is one of the SLM-compatible alloys which requires further understanding. This study focuses on AlSi10Mg alloy SLM simulations to predict the part deformations accurately. The proposed material properties of cast AlSi10Mg alloy simulations closely agreed with the experimental results, and this specific model is expected to aid design engineers to fabricate their parts with better consistency.

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Acknowledgements

The authors would like to thank Evren Arin and Sualp Ozel from Autodesk® who made the use of Autodesk Netfabb Local Simulation 2018.2 possible for the authors. The authors also sincerely thank Michael Gouge and Sualp Ozel for their guidance on the Netfabb Simulation practices. In addition, the authors would like to thank Mark Pellowe and Ian McNaught for their helpful feedback on the paper. The authors gratefully acknowledge The Scientific and Technological Research Council of Turkey (TÜBİTAK) through Project No: 216M033.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Istanbul Technical University, Gumussuyu, Beyoglu, Istanbul, 34437, Turkey

    Emrecan Soylemez

  2. Faculty of Engineering, Fatih Sultan Mehmet University, Istanbul, 34080, Turkey

    Ebubekir Koç

  3. Fatih Sultan Mehmet University, Istanbul, 34080, Turkey

    Mert Coşkun

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  1. Emrecan Soylemez
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Soylemez, E., Koç, E. & Coşkun, M. Thermo-mechanical simulations of selective laser melting for AlSi10Mg alloy to predict the part-scale deformations. Prog Addit Manuf 4, 465–478 (2019). https://doi.org/10.1007/s40964-019-00096-4

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