粉粒体の圧縮成型に関する研究(第8報) : 粉粒体圧縮におけるエネルギーに関する理論的考察

概要

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In the absence of theoretical and experimental reports on the energy of compression of powder-like materials, considerations were made on powder-like materials as macroscopic continuous body, and an energy equation (1) was discussed by the powder kinetic technique, applying the law of conservation of energy. Detailed examinations were made on the energy equation, introducing concepts like equations (4), (13), and (17). The energy equation (16) obtained finally was reduced to the dimensionless term to obtain equation (22), and analytically shown that the dimensionless term with respect to energy in the compression of powder-like materials is the pressure number equation (27). Physical significance of the pressure number was considered and its content was indicated as equations (33) and (35). Further, considerations were made on the compression of two kinds of powder-like materials, which had gemetrically similar border surface, and apparent similarity equation (31) with respect to energy in the compression of powder-like materials was analytically obtained. As an example of the apparent similarity law with respect to energy in the compression of powder-like materials, a method for calculating the power required was shown.
公益社団法人日本薬学会の論文
1972-03-25