Lightweight broadband microwave absorbing metamaterial with CB-ABS composites fabricated by 3D printing

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Abstract

The self-similarity, high geometric symmetry and spatial utilization properties of fractal structures provide new methods for the development of absorbing metamaterials. In this paper, the microwave absorption properties of the gradient dendritic fractal metamaterial structure (GDFMs) based on carbon black and acrylonitrile-butadiene-styrene composites were investigated. The optimal metamaterial structure has an effective absorption in the frequency range of 4.5-40 GHz. The rotational-symmetry GDFMs leads to the polarization independence, and the GDFMs exhibits a wide-angle absorption performance for both TE and TM waves. It is expected that the proposed GDFMs has good application prospects in electromagnetic wave absorption.

Original languageEnglish
Article number048103
JournalChinese Physics B
Volume32
Issue number4
DOIs
StatePublished - 1 Apr 2023

Keywords

  • additive manufacturing
  • broadband absorbing
  • gradient dendritic fractal structure
  • polarization and angle independence

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