Abstract
A series of experiments was conducted at 2.45 GHz to study the physical extent of the effective heating regions of the resonant modes, the perturbation of the cavity by fibre composites, and to check the integrity of the construction of the microwave resonator. Material factors investigated include fibre length, fibre orientation, composite stacking sequence, sample dimensions, sample position, electrical conductivity of the fibres and permittivity of the sample. The effects of fibre properties and sample geometries are reported here, as they related to optimization of materials processing techniques in the cylindrical applicator. The results of the investigation contribute to the optimization of sample and resonant applicator parameters for microwave processing of fibre composite materials.
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