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입상체 압축이론식의 응용
Application of the Theoretical Compression Equation in the Flocculated Granules
HWAHAK KONGHAK, April 1992, 30(2), 156-164(9), NONE
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Abstract
고분자 결합제를 사용하여 분체상 물질을 피복-응집된 입상체를 압축하는 경우, 실질적인 압축의 시작점을 granule volume으로 간주하여 유도한 입상체 압축이론식의 응용에 관한 연구를 수행하였다. 압축이론식과 실제의 실험결과는 결합제의 종류, 입상체 크기, 입도분포, 시편직경에 대한 초기 입상체층의 높이비, 압축속도 등의 변화에 관계없이 서로 잘 일치하였고, 압축이론식의 상수 Cm과 granule porosity는 같은 값으로 나타났다.
In situations where granules flocculated with polymeric binders were compressed, the applica-bility of the theoretical compression equation, which was previously derived considering the granule volume as the real starting point of the bed compression, was tested. The experimental results and the theoretical compression equation showed good agreement over the whole range of experimental conditions;,variation of the type of binder, granule size, size distribution, Lo/D ratio and compression rate and the compression constant Cm was shown to be the same value as granule porosity.
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Kim HS, Kim SH, Park BS, "Development of the Real-time Data Acquisition System for Molding Powder Compressibility Evaluation," AWHD-519-88061, ADD (1988)
STSC: "Statgraphics: Statistical Graphics System," A Plus Ware Product (1985)
Park BS, Kang HB, Lee JW, "Pressing Studies of DXD-51," AWHD-519-87057, ADD (1987)
Heckel RW, Trans. Metal Soc. AIME, 221, 671 (1961)
Heckel RW, Trans. Metal. Soc. AIME, 221, 1001 (1961)
Ludde KH, Kawakita K, Pharmazie, 7, 393 (1966)
Kawakita K, Tsutsumi Y, Jpn. J. Appl. Phys., 35, 260 (1966)
Kim HS, Park BS, Lee JW, Lee SM, HWAHAK KONGHAK, 27(3), 268 (1989)
Kim HS, Park BS, Lee JW, HWAHAK KONGHAK, 30(1), 70 (1992)
Kim HS, Lee KJ, Kim HS, "Study on the Improving Process of Molding Powder, DXD-51 and DXD-52, AWHD-519-89039C, ADD (1989)
Reams CS, "Potential Composition A-3 Explosive Replacement," NWS (1981)
Goodrich BFW, "Estane Product Data," TSR 64-18, TF-116 (1985)
Johnson HD, "An Investigation of the Effect of Granule Size on the Mechanical Properties of LX-14," MHSMP (1979)
MacDougall CS, "Compositional Analysis of Viton Used in Explosive," MHSMP (1975)
MIL-STD-650: "Explosive: Sampling, Inspection and Testing," Method no. 201.2 (1962)
Fukumori Y, Carsten JT, Int. J. Pharm. Tech. Prod. Mfr., 4, 1 (1983)
Kim HS, Kim SH, Park BS, "Development of the Real-time Data Acquisition System for Molding Powder Compressibility Evaluation," AWHD-519-88061, ADD (1988)
STSC: "Statgraphics: Statistical Graphics System," A Plus Ware Product (1985)
Park BS, Kang HB, Lee JW, "Pressing Studies of DXD-51," AWHD-519-87057, ADD (1987)
