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How long can a ceramic plate be in the microwave? 

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Altering the thickness of the glass–ceramic layer can meet the requirements of different level of microwave absorption.
Finally, the microwave sintering permit to significantly reduce the energy consumption required for the production of sintered ceramic pieces, which is crucial for sustainable development.
Either one side incidence or both sides incidence with suitable distribution of microwave incidence may be preferred for various food materials attached with ceramic plates.
The model can be utilized for assessing the feasibility of microwave heating of powder metals and metal–ceramic composites.
These results can be used as a guide to control the microstructure and properties of microwave ceramics.
For comparative studies or for the development of new microwave ceramic materials, the method is promising.
To our knowledge, this is the first report of microwave dielectric resonance in a perovskite-type BaTiO3-based ceramic.
Current study recommends the efficient microwave heating methodologies for polymer processing attached with ceramic plates by means of optimized pulsing for the first time.
The results suggest that the microwave properties are controlled by frit size for low temperature co-fired ceramic compositions at high-frequency application.
This study will help to provide a useful reference for the improvement of the microstructure characteristics of metal–ceramic materials in microwave sintering.

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