Theory of a Parallel-Plate Plastometer for Bingham Body
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概要
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It is shown how to determine the yield value f and the plastic viscosity η of a Bingham body by means of a parallel-plate plastometer. Calculation have been made starting from the general equations of motion for Bingham body, and the relationship between the thickness h of the specimen and the time t has been obtained when a constant force is applied perpendicularly to the plates. Calculations have been made for the two cases: a) The plates are larger than the specimen; thus the volume of the specimen between the plates is constant. b) The specimen is larger than the plates; thus the area under compression is constant. The formulae are reduced to the well-known equations derived by Stefan and Healey for Newtonian liquid in the limit f⇾0.
- 社団法人応用物理学会の論文
- 1964-06-15
著者
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Oka Syoten
Department Of Physics Faculty Of Science Tokyo Metropolitan University
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Ogawa Sekiko
Department Of Physics Tokyo Metropolitan University
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Ogawa Sekiko
Department Of Physics Faculty Of Science Tokyo Metropolitan University
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