Influence of Microwave Irradiation Method on the Sintering of Barium Titanate with Liquid Phase

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  • YASUOKA Masaki
    National Institute of Advanced Industrial Science and Technology (AIST)
  • SHIRAI Takashi
    National Institute of Advanced Industrial Science and Technology (AIST)
  • NISHIMURA Yutsuki
    National Institute of Advanced Industrial Science and Technology (AIST)
  • KINEMUCHI Yoshiaki
    National Institute of Advanced Industrial Science and Technology (AIST)
  • WATARI Koji
    National Institute of Advanced Industrial Science and Technology (AIST)

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Other Title
  • マイクロ波の照射方法の違いがチタン酸バリウムの液相焼結に及ぼす影響について

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The ceramic industry uses enormous amounts of energy to make products at high temperatures. Therefore energy-saving measures based on sintering process improvements are being examined. Barium titanate in the presence of a liquid phase was irradiated by two different methods during microwave sintering: an intermittent use of the same high power levels (time-control method) and a continuous use of lower, increasing levels of power (power-control method). As a result, it is concluded that the liquid phase is generated faster in the time-control method provided that the microwave irradiation is carried out at a temperature which is higher than the generation temperature of liquid phase. The liquid phase was generated at a wider temperature in the power-control method. It has been understood that the temperature control becomes difficult, though the time-control method is more efficient for energy efficiency.<br>

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