Fast relaxation of a hexagonal Poiseuille shear-induced near-surface phase in a threadlike micellar solution

W. A. Hamilton; P. D. Butler; L. J. Magid; Z. Han; T. M. Slawecki

doi:10.1103/PhysRevE.60.R1146

Fast relaxation of a hexagonal Poiseuille shear-induced near-surface phase in a threadlike micellar solution

W. A. Hamilton, P. D. Butler, L. J. Magid, Z. Han, T. M. Slawecki

Materials Research Institute (MRI)

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

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 [Formula Presented] of the surface “melts” to a metastable two-dimensional liquid of aligned micelles in [Formula Presented] 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.

Original language	English (US)
Pages (from-to)	R1146-R1149
Journal	Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Volume	60
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevE.60.R1146
State	Published - 1999

All Science Journal Classification (ASJC) codes

Statistical and Nonlinear Physics
Statistics and Probability
Condensed Matter Physics

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10.1103/PhysRevE.60.R1146

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abstract = "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 [Formula Presented] of the surface “melts” to a metastable two-dimensional liquid of aligned micelles in [Formula Presented] 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.",

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AU - Han, Z.

AU - Slawecki, T. M.

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Fast relaxation of a hexagonal Poiseuille shear-induced near-surface phase in a threadlike micellar solution

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