Dielectric Constant and Dielectric Loss of Woody Ceramic. Suitability of Tableware for a Microwave Oven.

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  • ウッディセラミックスの誘電率及び誘電損失
  • Suitability of Tableware for a Microwave Oven

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Abstract

Woody ceramic, which is light in weight and thermally insulating, has been newly developed by baking Tobe kaolin mixed with vacant microcapsules. Woody ceramic is convenient for handling because of the weight reduction of about 30% compared with traditional Tobe ceramic. The dielectric constant ε′ and dielectric loss ε″ were measured in order to show that woody ceramic is an excellent tableware material to be used in a microwave oven. ε″ of woody ceramic at 2.45 GHz is smaller by about 20-30% than that of traditional Tobe ceramic. Woody ceramic is found to have ε″ appropriate for use as a tableware material to be used in a microwave oven.

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