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A comparative study between conventional and direct microwave sintering of pure α and γ nanoscale alumina powders has been performed to identify possible microwave effects on densification and microstructure changes. Microwave sintering experiments have been performed in a 2.45 GHz single mode cavity furnace allowing for an accurate control of the thermal cycle and for a continuous measurement of...
This paper describes the development of an instrumented and automated single mode microwave cavity for sintering ceramic powders. This setup includes an optical dilatometer and a motorized plunger to control heating cycles in a wide range of heating rates (from 5°C∙min−1 to 200°C∙min−1) up to 1600°C and to allow reliable comparison with conventional sintering. The cavity and the sintering cells for...
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