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Materials Science in Additive Manufacturing Powder alteration caused by L-PBF process
each cell size. We observed that the smaller the cell size, Availability of data
the lower the percentage of small particles. The particles
diameters D-values increased as the lattice cell size became Raw data are available from the corresponding author on
reasonable request.
smaller. The morphology of the particles stuck inside
the lattice cylinders was impacted, accompanied by the References
formation of aggregates, elongated, broken, “clip-clap” and
shattered particles. 1. Diegel O, Nordin A, Motte D, 2019, A Practical Guide to
Design for Additive Manufacturing. Berlin: Springer.
Both experiments 2 and 3 confirmed that when the 2. Singh S, Prakash C, Singh R, 2020, 3D Printing in Biomedical
space between printed parts is reduced, the powder bed Engineering. Berlin: Springer.
particles become coarser and the proportion of fines
particles reduces. 3. Dawes J, Bowerman R, Trepleton R, 2015, Introduction
to the additive manufacturing powder metallurgy supply
From these results, we confirm the printing process chain. Johnson Matthey Technol Rev, 59: 243–256.
generating spatters and particle agglomerations causes https://doi.org/10.1595/205651315x688686
the degradation and alteration of the powder bed PSD
and morphology. After significant courses of recycling, 4. Pasebani S, Ghayoor M, Badwe S, et al., 2018, Effects
of atomizing media and post processing on mechanical
the PSD of the powder showed more coarse particles properties of 17-4 PH stainless steel manufactured via
and less fine particles, as well as a relevant increase in the selective laser melting. Addit Manuf, 22: 127–137.
proportion of large particles and significant presence of
aggregates, deformed and elongated particles within the https://doi.org/10.1016/j.addma.2018.05.011
recycled powder. 5. Tan JH, Wong WLE, Dalgarno KW, 2017, An overview of
powder granulometry on feedstock and part performance in
Acknowledgments the selective laser melting process. Addit Manuf, 18: 228–255.
The authors would like to express their appreciation for https://doi.org/10.1016/j.addma.2017.10.011
the support provided by Jonathan Coudé, Karel J. Uhlir, 6. Herzog D, Seyda V, Wycisk E, et al., 2016, Additive
Loubert Suzie, Charles-André Fraser, Dany Morin, and manufacturing of metals. Acta Mater, 117: 371–392.
Richard Lafrance for their assistance in this project. https://doi.org/10.1016/j.actamat.2016.07.019
Funding 7. Kelkar RM, 2019, High Quality Spherical Powders for
Additive Manufacturing Processes Along with Methods of
This research was funded by NSERC, grant CDEPJ/507533. their Formation. Google Patents.
Conflict of interest 8. Li R, Shi Y, Wang Z, et al., 2010, Densification behavior of
gas and water atomized 316L stainless steel powder during
The authors declare no conflicts of interest. selective laser melting. Appl Surf Sci, 256: 4350–4356.
Author contributions https://doi.org/10.1016/j.apsusc.2010.02.030
9. Brika SE, Letenneur M, Dion CA, et al., 2020, Influence of
Conceptualization: Othmane Rayan, Jean Brousseau particle morphology and size distribution on the powder
Formal analysis: Othmane Rayan, Jean Brousseau, Claude flowability and laser powder bed fusion manufacturability
Belzile of Ti-6Al-4V alloy. Addit Manuf, 31: 100929.
Investigation: Othmane Rayan, Jean Brousseau, Claude https://doi.org/10.1016/j.addma.2019.100929
Belzile
Methodology: Othmane Rayan, Jean Brousseau 10. Sutton AT, Kriewall CS, Karnati S, et al., 2020, Evolution of AISI
Writing – original draft: Othmane Rayan 304L stainless steel part properties due to powder recycling in
Writing – review and editing: Othmane Rayan, Jean laser powder-bed fusion. Addit Manuf, 36: 101439.
Brousseau, Claude Belzile, Abderazak El Ouafi. https://doi.org/10.1016/j.addma.2020.101439
11. Soundarapandiyan G, Johnston C, Khan RHU, et al., 2021,
Ethics approval and consent to participate The effects of powder reuse on the mechanical response
Not applicable. of electron beam additively manufactured Ti6Al4V parts.
Addit Manuf, 46: 102101.
Consent for publication https://doi.org/10.1016/j.addma.2021.102101
Not applicable. 12. Nagesha BK, Dhinakaran V, Varsha Shree M, et al., 2020,
Volume 2 Issue 3 (2023) 12 https://doi.org/10.36922/msam.1781

