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Abstract
Silicon carbide (SiC) is one of the most promising structural ceramic materials because of its excellent thermal and electromechanical properties. These properties are beneficial for CMC that enhances the performance of composites, especially those containing integrated nanoadditives. In this research, SiC composites were fabricated from SiC at three concentrations, ZnO and Si. The magnetic properties of the mixtures were tested through vibratory sample monitoring. The green samples were sintered in a sintering furnace at 1600 °C in a nitrogen environment. The obtained composites have been tested and characterised using different techniques, including X-ray diffraction, surface morphology using FESEM and network analyser, and the dielectric properties of the samples were tested. On the basis of the sintering environment, silicon nitride was detected in the composite because of the nitriding process along the composite. Weak magnetic and absorbing properties were calculated for all the SiC composites. The dielectric properties of a composite were considered high when the composite tended to be a reflector at a low frequency range and a transmitter as the frequency increased along the frequency band. Therefore, the composite exerted a potential effect on the applications where shielding properties required in microwave range to prevent wave interference.
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