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Radial filtration during constant-force squeeze flow of soft solids
Various soft solid suspensions were squeezed at constant force between polished and roughened circular glass plates and the time-dependence of the interplate separation was measured. The filterability of suspensions was quantified by their desorptivity S obtained from measurements of capillary suction time. The squeeze flow (SF) of suspensions for which S<2 micrometer s-1/2 was largely consistent with rheological theory, which neglected radial filtration: the relative motion between the liquid and solid phases of the suspension in the radial pressure gradient. Suspensions having S>2 micrometer s-1/2 showed SF behavior that was consistent with the presence of radial filtration.
Radial filtration during constant-force squeeze flow of soft solids
Various soft solid suspensions were squeezed at constant force between polished and roughened circular glass plates and the time-dependence of the interplate separation was measured. The filterability of suspensions was quantified by their desorptivity S obtained from measurements of capillary suction time. The squeeze flow (SF) of suspensions for which S<2 micrometer s-1/2 was largely consistent with rheological theory, which neglected radial filtration: the relative motion between the liquid and solid phases of the suspension in the radial pressure gradient. Suspensions having S>2 micrometer s-1/2 showed SF behavior that was consistent with the presence of radial filtration.
Radial filtration during constant-force squeeze flow of soft solids
Meeten, Gerald Henry (author)
Rheologica Acta ; 46 ; 803-813
2007
11 Seiten, 21 Bilder, 2 Tabellen, 32 Quellen
Article (Journal)
English
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