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J. Korean Ceram. Soc. > Volume 31(9); 1994 > Article
Journal of the Korean Ceramic Society 1994;31(9): 989.
규칙입자의 충전 -치밀된 탄화규소 소결체의 제조(제 1 보)-
문병훈, 남건태, 최상욱
인하대학교 무기재료공학과
A Study on Packing of Regular Particles - Preparation of Dense Sintered Silicon Carbide (1) -
This study aims at finding the closest packings of regular shape particles such as sphere, circle rod and hexagonal rod type. As the ratio of particle size to container lowered to less than 1/10, the wall effect decreased gradually. The tap density of spherical particles with almost orthorhombic arrangement was 59.5%, while those of circle rod and hexagonal rod type particles were 63.5% and 63.0% respectively. And it was decreased with increasing the aspect ratio of regular particles. The tap density of binary mixtures was larger than that corresponding to the monosized particles packing by about 15%. The tap density of ternary mixtures was larger than that of corresponding to the packing of binary mixtures by about 9%. This work employed the binary mixture of 60% coarse particles and 40% fine particles with size ratio of 1.0 to 1/10 and the ternary mixture of 60% coarse particles, 20% medium and 20% fine particles with size ratio of 1:1/10:1/400 respectively.
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