Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Measurement of High Temperature Dielectric Property at Microwave Frequency Using Cavity Perturbation Method

Cavity Perturbation Method를 이용한 마이크로파 주파수대의 고온 유전특성 측정 연구

  • Kim, Dong-Eun (Advanced Key Material Lab, Korea Institute of Ceramic Engineering and Technology) ;
  • Jung, Jin-Ho (Advanced Key Material Lab, Korea Institute of Ceramic Engineering and Technology) ;
  • Lee, Sung-Min (Advanced Key Material Lab, Korea Institute of Ceramic Engineering and Technology) ;
  • Kim, Hyung-Tae (Advanced Key Material Lab, Korea Institute of Ceramic Engineering and Technology)
  • Published : 2006.12.28
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Abstract

High temperature dielectric constants of the various ceramic materials have been measured using cavity perturbation method. The measurements were applied to refractory, traditional and fine ceramic powder compacts from room temperature to $1200^{\circ}C$. Calibration constant in the equation suggested by Hutcheon et al., was determined from the dielectric constants of reference specimen (teflon and alumina) at room temperature. From these results, informations on the refectory materials were obtained for the microwave kiln design and understanding of the microwave heating effects of ceramics have been improved.

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