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<p>In this work, thermoplastic polyurethane (TPU)/carbonyl iron powder (CIP) composites with varying CIP content prepared by the melt-mixing process are used for fused deposition modeling (FDM) 3D printing. The electrophysical parameters of the TPU/CIP composites are measured within a&#xa0;frequency range of 50 MHz to 18 GHz. Based on the data on the electrophysical properties, the transmission, reflection, and absorption coefficients of a&#xa0;TPU/CIP layer and the return loss of the TPU/CIP layer on metal are calculated.</p>

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Electrophysical microwave properties of thermoplastic carbonyl-iron based composites for application in FDM 3D printing

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • A. V. Badin,
  • G. E. Kuleshov,
  • I. M. Tomilov,
  • E. A. Trofimov,
  • D. A. Pidotova,
  • D. S. Katelina,
  • D. A. Frolova,
  • K. V. Dorozhkin

摘要

In this work, thermoplastic polyurethane (TPU)/carbonyl iron powder (CIP) composites with varying CIP content prepared by the melt-mixing process are used for fused deposition modeling (FDM) 3D printing. The electrophysical parameters of the TPU/CIP composites are measured within a frequency range of 50 MHz to 18 GHz. Based on the data on the electrophysical properties, the transmission, reflection, and absorption coefficients of a TPU/CIP layer and the return loss of the TPU/CIP layer on metal are calculated.