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Dielectric properties of materials for 3D printing at high frequencies

Author

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  • Tomáš Pícha
  • Stanislava Papežová

Abstract

3D printing is widely used method. In the term of developing of components for electronic devices, it is important to provide the good physical properties of the used dielectric. The main parameters are optional and stable value of the relative permittivity and the minimum dielectric losses of the material. The paper is focused on testing of loss factor and relative permittivity of following materials: polylactic acid (PLA, in two dye modifications), polyethylene terephthalateglycol (PET- G) and acrylonitrile butadiene styrene (ABS) in the frequency range of 1-100 MHz. It was proven, that the values of permittivity of the tested materials were 2.9-4.2 and loss factor 0.8-4%. Concerning relative permittivity, the tendency to mild linear drop of relation was observed by increasing frequency, especially expressed in PLA materials. In loss factor, PLA materials displayed increasing values with increasing frequency, whereas the declining curve was observed in PET-G. Absolute value of ABS loss factor varied between 0.9-1.5%. The reasonable influence of added dyes was found out.

Suggested Citation

  • Tomáš Pícha & Stanislava Papežová, 2023. "Dielectric properties of materials for 3D printing at high frequencies," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 69(1), pages 28-35.
    • Handle: RePEc:caa:jnlrae:v:69:y:2023:i:1:id:10-2022-rae
    DOI: 10.17221/10/2022-RAE
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