Fast relaxation of a hexagonal Poiseuille shear-induced near-surface phase in a threadlike micellar solution
The dynamics of near-surface conformations in complex fluids under flow should dramatically affect their rheological properties. We have made the first measurements resolving the decay kinetics of a hexagonal phase induced in a threadlike polyionic micellar system under Poiseuille shear near a quart...
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| Veröffentlicht in: | Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 1999-08, Vol.60 (2 Pt A), p.R1146-R1149 |
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| container_end_page | R1149 |
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| container_issue | 2 Pt A |
| container_start_page | R1146 |
| container_title | Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics |
| container_volume | 60 |
| creator | Hamilton, W A Butler, P D Magid, L J Han, Z Slawecki, T M |
| description | The dynamics of near-surface conformations in complex fluids under flow should dramatically affect their rheological properties. We have made the first measurements resolving the decay kinetics of a hexagonal phase induced in a threadlike polyionic micellar system under Poiseuille shear near a quartz surface. Upon cessation of shearing flow, this minimum interference crystalline phase formed within approximately 20 microm of the surface "melts" to a metastable two-dimensional liquid of aligned micelles in approximately 0.7 s. This is some three orders of magnitude shorter than the time required for bulk (Couette) shear-aligned micelles in this system to reach a fully entangled state. |
| doi_str_mv | 10.1103/PhysRevE.60.R1146 |
| format | Article |
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| identifier | ISSN: 1063-651X |
| ispartof | Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 1999-08, Vol.60 (2 Pt A), p.R1146-R1149 |
| issn | 1063-651X 1095-3787 |
| language | eng |
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| source | American Physical Society Journals |
| subjects | AQUEOUS SOLUTIONS COLLOIDS CONFORMATIONAL CHANGES LAMINAR FLOW MICELLAR SYSTEMS PHYSICS RELAXATION RELAXATION TIME RHEOLOGY SHEAR SOLUTIONS SURFACTANTS |
| title | Fast relaxation of a hexagonal Poiseuille shear-induced near-surface phase in a threadlike micellar solution |
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