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May 6, 2026PhyschemOpen Access

Valorization of Waste Powder from Selective Laser Sintering: An Opportunity for the Circular Economy

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Authors

IPInês PraçaCGCátia GuardaJCJoão Caseiro

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Overview

Evaluation of recycled PA12 processing via injection molding and FDM shows improved ductility and mechanical behavior, indicating valorization potential.

Key Points

  • This research aims to assess the reprocessing feasibility of non-sintered PA12 powder using various techniques.
  • Evaluated thermal properties through thermal analysis
  • Processed recycled PA12 using injection molding and fused deposition modeling (FDM)
  • Measured melt flow index and mechanical properties
  • Injection molding procured consistent mechanical behavior and good ductility
  • FDM exhibited higher variability and reduced ductility due to interlayer bonding issues
  • Thermal analysis indicated retention of processing temperatures similar to virgin PA12

Cite This Study

Praça et al. (2026) studied this question.

synapsesocial.com/papers/69fa979b04f884e66b531871https://doi.org/10.3390/physchem6020026
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