한국분말야금학회:학술대회논문집 (Proceedings of the Korean Powder Metallurgy Institute Conference)

한국분말재료학회 (*구 분말야금학회) (The Korean Powder Metallurgy & Materials Institute)
권호 표지

In Situ Observations of Sintering Process during Pulsed Current Sintering of $Al_2O_3$, ZnO and WC ALLOY

  • Kawakami, Yuji (Industrial Technology Center of Saga) ;
  • Tamai, Fujio (Industrial Technology Center of Saga) ;
  • Enjoji, Takashi (Industrial Technology Center of Saga) ;
  • Shikatani, Noboru (Department of Electrical and Electronic Engineering, Saga University) ;
  • Misawa, Tatsuya (Department of Electrical and Electronic Engineering, Saga University) ;
  • Otsu, Masaaki (Department of Materials Science and Engineering, Kumamoto University) ;
  • Takashima, Kazuki (Department of Materials Science and Engineering, Kumamoto University)
  • 발행 : 2006.09.24
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초록

Pulsed Current Sintering (PCS) process possesses some problems that need to be resolved. We, therefore aims at understanding phenomena of PCS process by presenting some basic data on in situ sintering behavior of PCS. Special graphite mold equipped with thermo couple and electrodes were designed to measure the temperature, electric current and voltage inside the powder during PCS process. We apply three types of raw materials, especially for ZnO as semiconductor, $Al_2O_3$ as non-conductor and WC as good conductor. The electric current and voltage were measured for each powder during PCS process. In addition, their electric resistance properties were calculated.

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