Simulation of the Effects of Nano-filler Interactions in Polymer Matrix Dielectric Nanocomposites
The finite element method was used for simulating the dielectric response of polymer matrix dielectric composites with randomly and evenly distributed fillers. The dielectric simulation of the composite materials was conducted using a time harmonic-electric current solver in the AC/DC Module of the COMSOL Multiphysics® software. The calculations were performed for a wide range of filler contents and filler permittivities, in order to investigate the influence of these important parameters on the effective permittivity of the dielectric composites. The interaction between the fillers was evaluated using an interaction field that resulted in calculated values that agreed with previous experimental measurements on a series of PVDF/BT composites with and without MWNT additives.
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