Angle-dependent reflectivity of twill-weave carbon fibre reinforced polymer for millimetre waves
Gerald Artner, Erich Z\"ochmann, Stefan Pratschner, Martin Lerch,, Markus Rupp, C. F. Mecklenbr\"auker
TL;DR
This study investigates the directional reflectivity of twill-weave carbon fibre reinforced polymer at 60 GHz, revealing anisotropic behavior aligned with the weave pattern and near-isotropic properties in other directions.
Contribution
It provides the first detailed analysis of angle-dependent millimetre wave reflectivity of twill-weave CFRP materials.
Findings
Reflectivity is highest along the diagonal pattern of the weave.
Reflectivity is nearly isotropic in other directions.
The material shows potential for millimetre wave reflector applications.
Abstract
Twill-weave carbon fibre reinforced polymer is measured as reflector material for electromagnetic waves at 60 GHz. The reflectivity at millimetre wavelength shows a predominant direction, which coincides with the diagonal pattern of the twill's top layer. In the remaining directions the investigated 2/2 twill-weave composite's reflectivity is almost isotropic.
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