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테이프 케스팅 거동에 미치는 알루미나의 입도분포의 영향
Effects of Particle Size Distribution of Alumina on Behaviors of Tape Casting

윤원균    (경북대학교 무기재료공학과   ); 김정주    (경북대학교 무기재료공학과   ); 조상희    (경북대학교 무기재료공학과  );
  • 초록

    Effects of particle size distribution of alumina ceramics on behaviors of tape casting were investigated with emphases on the rheological characteristic of slurry, green density, green sheet strength, and sintering density. For the control of particle size distribution of alumina, the commercial grade low soda alumina, which had different mean particle size of 3.58 ${\mu}{\textrm}{m}$ and 0.42 ${\mu}{\textrm}{m}$ , were chosen and blended together. As results, the mixing of 80 wt% fine powder and 20 wt% coarse powder(designated to FC20) led to the increase of packing density and strength of green sheet, and made it easy to handle during processing without lowering of sintering density. Besides, the pseudoplastic behavior of slurry decreased with increase of the fraction of coarse alumina powder.


  • 주제어

    Particle size distribution .   Alumina ceramics .   Tape casting .   Pseudoplastic behavior.  

  • 참고문헌 (29)

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  • 윤원균 (1)

    1. 1997 "알루미나-활석계에서 알루미나의 입자 크기가 테이프 케스팅 및 소결 거동에 미치는 영향" 요업학회지 = Journal of the Korean Ceramic Society 34 (12): 1213~1220    
  • 김정주 (47)

  • 조상희 (81)

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