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J. Korean Ceram. Soc. > Volume 32(4); 1995 > Article
Journal of the Korean Ceramic Society 1995;32(4): 462.
분산계 특성이 질화규소 미분의 과립특성 및 충진거동에 미치는 영향
이해원, 오성록1
한국과학기술연구원 세라믹공정센터
Effect of Suspension Property on Granule Characteristics and Compaction Behavior of Fine Si3Na4 Powder
The characteristics of spray-dried granules are important for dry pressing operation since they have great influences on die-filling, compaction ratio, and resulting green microstructure. An attempt was made to control granule morphology and the packing structure of fine Si3N4 particles in granules by adjusting suspension property. Mercury porosimetry was used to characterize the pore structures of both granules and green compacts. Finally, the effects of particle packing structure in granules and green microstructure on sintering behavior were investigated.
Key words: Floc size, Adsorption, Granule morphology, Tap density, Intergranular pore
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