Porosity Control in Laser Powder Bed Fusion of Nickel Superalloys: Process Window and Defect Origin

Authors

  • Dominika-M Antal Centre for Additive Manufacturing, Horehronie Institute of Advanced Technology, Brezno, Slovakia Author
  • Berta Jandacek Department of Metallurgy, Broumovsko Institute of Advanced Technology, Broumov, Czech Republic Author
  • Herminio Calatayud Department of Metrology, Sierra Nevada Laboratory for Applied Photonics, Guadix, Spain Author

DOI:

https://doi.org/10.5281/zenodo.22672744

Keywords:

Porosity Control in Laser Powder Bed Fusion of Nickel Superalloys; Next-generation R&D; Evidence synthesis; Reproducibility; Research methodology

Abstract

Porosity Control in Laser Powder Bed Fusion of Nickel Superalloys has moved quickly from a niche engineering question to
something a wider community can now investigate with reasonably reliable tools, but the evidence behind it has not always kept
pace. We pull together the current evidence for porosity control in laser powder bed fusion of nickel superalloys, covering the
methodological, practical, regulatory and cost angles, with an eye on where practice has genuinely settled and where engineers
and reviewers are still largely working it out for themselves. Selective, context-specific adoption looks better supported by the
evidence gathered here than either broad rollout or blanket avoidance.

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2022-01-01

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Vol. 1 No. 1 (2022): vol 1 issue 1 2022

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