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A structural analysis of concentrated, aggregated colloids under flow
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Silbert, S. L., Melrose, J. R. and Ball, Robin (1999) A structural analysis of concentrated, aggregated colloids under flow. Molecular Physics, Vol.96 (No.11). pp. 1667-1675. ISSN 0026-8976.
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Abstract
Using both instantaneous snapshots and simulation generated scattering data, the steady-state flow behaviour of a concentrated aggregated colloidal suspension is analysed in terms of its structure factor S(k). We find that in the shear thinning regime, unlike model hard sphere results, S(k) exhibits pre-peaks at small k, which we interpret as indicative of intermediate range order in the shear induced melt. The pre-peak disappears upon the onset of an ordered state of flow at high shear rates, which, like hard sphere results, exhibit Bragg-like peaks in S(k). These ordered states are associated with the so-called string phases.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics T Technology > TA Engineering (General). Civil engineering (General) |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Colloids, Rheology, Fluid dynamics, Structural analysis (Engineering) | ||||
| Journal or Publication Title: | Molecular Physics | ||||
| Publisher: | Taylor & Francis Ltd. | ||||
| ISSN: | 0026-8976 | ||||
| Official Date: | 10 June 1999 | ||||
| Dates: |
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| Volume: | Vol.96 | ||||
| Number: | No.11 | ||||
| Number of Pages: | 9 | ||||
| Page Range: | pp. 1667-1675 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published |
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