Inert Gas Protection for EBM and SLM Powder Recycling

  • Case Study
  • 1 min read
  • 82 words
powder recyclingEBMSLMinert gasoxygen monitoringadditive manufacturing

Introduction#

Metal additive manufacturing relies on consistent powder quality, yet every time unmelted powder is recovered, it faces air exposure that raises oxygen and nitrogen levels. Electron beam melting (EBM) and selective laser melting (SLM) both generate unused powder, but their recycling challenges differ. EBM operates in vacuum and uses coarser powder, while SLM uses finer powder in argon or nitrogen. In both cases, powder recycling is essential for cost and sustainability, but without inert gas protection, the recycled powder can degrade quickly.

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