Webinars

Improving the Thermal Conductivity of Radio Absorbers with Filler Particle Alignment

Radio absorbers (RAs) are materials which absorb or attenuate radio-wave electromagnetic radiation. They are most used in the aerospace, communication, electromagnetic shielding, military, and automotive industries.

The use of rubberized RAs has gained popularity owing to the benefits in ease of application presented by a flexible RA. However, rubberized RAs typically have poorer performance than rigid ferromagnetic solutions and can cause device overheating due to poor heat transfer properties. The ideal RA should therefore absorb a large amount of radio energy, is easily applied, is thermally resilient and has a high thermal conductivity to prevent device overheating.

This webinar highlights work from researchersat Tomas Bata University in Zlin, Czech Republic using a C-Therm TCi Thermal Conductivity Analyzer to study the effect of filler alignment (anisotropy) on the performance of magnetorheological elastomer (MRE)-based RAs. It will be of interest to researchers and engineers working with radio absorbers where heat dissipation is potential concern.

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