Apparatus for processing ceramics using microwave oven with resi

Details Apparatus for processing ceramics using microwave oven with resi Apparatus for processing ceramics using microwave oven with resi

1991-02-21

1993-03-02

Jones, W. Gary

Electric heating

Metal heating

Of cylinders

219 1055A, H05B 680

Patent

active

051911833

ABSTRACT:
An apparatus for calcining and/or sintering ceramic materials comprising a kiln having a heating chamber formed from a microwave impermeable material separated from abutting secondary chambers containing conventional heating means by perforated walls, permitting convectional/radiative heat transfer from the secondary chambers into the heating chamber while minimizing leakage of microwave radiation from the heating chamber. A method for processing ceramic materials in the apparatus comprises applying convectional or convectional/radiative heat to elevate the temperature of a material to increase microwave coupling, and then applying microwave radiation to further elevate the temperature of the material and maintain a desired temperature for a desired length of time.

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