Manufacturing Technology 2023, 23(1):110-117 | DOI: 10.21062/mft.2023.003

Evaluation of Selected Technological Parameters for Selective Laser Melting of AlSi10Mg Metal Powder

Jozef ©utka ORCID..., Denisa Medvecká ORCID..., Radoslav Koňar ORCID..., Marek Bruna ORCID..., Marek Matejka ORCID...
Faculty of Mechanical Engineering, University of Zilina, Univerzitna 8215/1, 010 26 ®ilina, Slovakia

Reusing the powder across consecutive route cycles is typical in a Selective Laser Melting (SLM) process since it is more sustainable and cost-effective. The theoretical part of the paper is oriented on the explanation of the SLM method principle, construction, and parameters of the device Renishaw AM250 used for manufacturing samples made of AlSi10Mg aluminium alloy. The experimental part focuses on evaluating powders that had been used in the process for a long time with periodic ‘rejuvenation’. The main aim will be to monitor whether the samples will be affected and if they achieved the required quality of mechanical properties and compare results with virgin powder and manufacturer sheets for virgin powders. The experimental part further describes the procedures and analysis of the microstructure of the samples. AlSi10Mg aluminium alloy was chosen because of an assumption that it will be sensitive to increased oxygen content. A strong affinity for oxygen uptake exists in AlSi10Mg. Therefore, preventing the contamination, careful handling is required.

Keywords: SLM, AlSi10Mg, powder, Additive manufacturing
Grants and funding:

This article was funded by the University of ®ilina project 313011ASY4 „Strategic implementation of additive technologies to strengthen the intervention capacities of emergencies caused by the COVID-19 pandemic“

Received: August 30, 2022; Revised: December 22, 2022; Accepted: January 13, 2023; Prepublished online: April 24, 2023; Published: May 3, 2023  Show citation

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©utka J, Medvecká D, Koňar R, Bruna M, Matejka M. Evaluation of Selected Technological Parameters for Selective Laser Melting of AlSi10Mg Metal Powder. Manufacturing Technology. 2023;23(1):110-117. doi: 10.21062/mft.2023.003.
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