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Time domain spectral electromagnetic properties of composites (re-cb-mt)

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Document pages: 8 pages

Abstract: The purpose of this paper is to study the microwave domain dielectric behavior of composites made of epoxy resin (RE), carbon black (CB) and magnesium titanate (MT). This composite material is very popular in the application and miniaturization of UHF electronic component circuits (cavity, antenna, substrate, etc.). In this study, we also emphasized the effects of filler properties and their concentrations on the properties of these composites. The results obtained by time domain spectroscopy (TDS) reveal that the complex permittivity of the composites is strongly dependent on the properties and concentration of the conductive environment. Low frequency analysis (500   has been investigated to determineuctivity of composites which is related to the percolation phenomenon. Moreover, the comparison between experimental results and theoretical models shows that the modeling Lichtenecker law is applicable to the ternary mixture in this frequency range and is in accordance with the approach postulated by Bottreau.

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