Comparative study of dielectric characteristics and radio transparency of composite materials

Yermakhanova A.M. Kenzhegulov A.K. Meiirbekov M.N. Baiserikov B.M.
November 2024 SAGE Publications Ltd

Journal of Elastomers and Plastics
2024 #56 Issue 7 843 - 857 pp.

Polymer composites with low dielectric properties and excellent radio transparency are essential for high signal transmission rates and high device integration. However, creating dielectric polymer composites with high radio transparency is a challenging task. This work presents comparative results of studying the dielectric loss, permittivity and radio transparency of composite materials, such as aramid-epoxy composite (AEC), glass fiber (GF), carbon fiber reinforced plastic (CFRP), and ultra-high molecular weight high-density polyethylene (UHMWPE). Based on the experimental results, the following transmission percentages were established for various materials: CFRP – 2.45%, AEC – 79.43%, UHMWPE – 80.16%, and GF – 78.88%. The dielectric loss tangent angle of carbon fiber is significantly higher compared to other polymer composites, UHMWPE exhibits the lowest tangent angle values, and AEC and GF have stable and low dielectric loss. The obtained polymer composites demonstrated low dielectric permittivity values: AEС 2.9, UHMWPE 2.56, and GF 3.64.

dielectric loss , frequency , Polymer composite material , radio transparency , tangent angle

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National Center for Space Study and Technology JSC, Almaty city, Kazakhstan
Satbayev University, Institute of Metallurgy and Ore Beneficiation, Almaty city, Kazakhstan
Satbayev University, Almaty city, Kazakhstan

National Center for Space Study and Technology JSC
Satbayev University
Satbayev University

10 лет помогаем публиковать статьи Международный издатель

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