<abstract xmlns="http://www.w3.org/1999/xhtml"><p>3D metal printing is an increasingly popular production of steel parts. The most widespread and most accurate method is SLM (Selective Laser Melting), which uses metallic powder as the input material. The article is dedicated to researching the supplied powder from Renishaw. The powder is made by gas atomization and 3 phases of powder (virgin, sift and waste) that are present in the SLM process are examined. Powder morphology by SEM electron microscopy is investigated and the porosity of the powder is measured by optical method. Next, the powder grain size fraction is examined. In conclusion, there are recommendations and other directions of possible research. The main quantitative result from research is that, in general, small particles are reduced in the sift powder and the number of larger particles is increased, but the powder is still usable for further use.</p></abstract>

3D metal printing is an increasingly popular production of steel parts. The most widespread and most accurate method is SLM (Selective Laser Melting), which uses metallic powder as the input material. The article is dedicated to researching the supplied powder from Renishaw. The powder is made by gas atomization and 3 phases of powder (virgin, sift and waste) that are present in the SLM process are examined. Powder morphology by SEM electron microscopy is investigated and the porosity of the powder is measured by optical method. Next, the powder grain size fraction is examined. In conclusion, there are recommendations and other directions of possible research. The main quantitative result from research is that, in general, small particles are reduced in the sift powder and the number of larger particles is increased, but the powder is still usable for further use.

Research of 316L Metallic Powder for Use in SLM 3D Printing

Advances in Materials Science

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Research of 316L Metallic Powder for Use in SLM 3D Printing"}

3D metal printing is an increasingly popular production of steel parts. The most widespread and most accurate method is SLM (Selective Laser Melting), which...

Research of 316L Metallic Powder for Use in SLM 3D Printing

Published Online: Apr 13, 2020

Page range: 5 - 15

DOI: https://doi.org/10.2478/adms-2020-0001

Keywords
metallic powder, 3D printing, SLM, morphology, porosity

© 2020 J. Hajnys et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Research of 316L Metallic Powder for Use in SLM 3D Printing

Published Online: Apr 13, 2020

Page range: 5 - 15

DOI: https://doi.org/10.2478/adms-2020-0001

Keywordsmetallic powder, 3D printing, SLM, morphology, porosity

© 2020 J. Hajnys et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
metallic powder, 3D printing, SLM, morphology, porosity