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July 26, 2026The International Journal of Advanced Manufacturing TechnologyOpen Access

A feasibility study on the utilization of renewable feedstocks for industrial additive manufacturing using binder jetting

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Authors

RARezo AliyevLZL ZhangHZHenning Zeidler

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Overview

Feasibility study shows that walnut shells can be successfully utilized as a feedstock for additive manufacturing, suggesting sustainable production methods.

Key Points

  • This study evaluates the potential of walnut shells as a renewable feedstock for binder jetting additive manufacturing processes.
  • Developed a systematic process chain including comminution, sieving, and powder characterization.
  • Conducted printing trials using different powder compositions (bimodal and trimodal) and mechanical evaluations of specimens.
  • Characterized printed specimens using scanning electron microscopy, flexural, and compression testing.
  • Trimodal powder composition enabled stable printing with better binder absorption compared to bimodal mixtures.
  • Printed specimens showed limited mechanical strength and interfacial adhesion, suitable only for low-load applications.
  • Post-processing with wax infiltration improved handling and surface quality, allowing for practical applications like eyeglass frames.

Cite This Study

Aliyev et al. (2026) studied this question.

synapsesocial.com/papers/6a65a5bad3aea3239cd778f4https://doi.org/10.1007/s00170-026-18798-9
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Circular bio-filled composites for additive manufacturing: reinforcing photopolymer resin with walnut shell particles via digital light processing2026
  2. 2Recovery of residual polyamide (PA12) from polymer powder bed fusion additive manufacturing process through a binder jetting process2024 · 2 citations
  3. 3Innovations in powder materials for binder jetting2025
  4. 4Production and characterization of waste walnut shell powder that can be used as a sustainable eco-friendly reinforcement in biocomposites2024 · 7 citations
  5. 5Binderless bio-based composites obtained by thermo-compression of walnut shells powder2026