Effect of a solid/liquid interface on bulk solution structures under flow

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

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

It has been known for some time that a shear field can impart enough energy to a liquid system for it to exhibit a phase change. Not as well appreciated is the fact that non-Newtonian solutions can be driven into a quasi-phase separation due to the vastly different shear rates between the bulk and near-surface regions. Using a variety of scattering techniques we have probed the interfacial and near-surface region of a system of wormlike colloidal particles under flow separately from the bulk. We find that the hexagonal phase which forms under flow near the surface, does not persist into the bulk. We also present data showing substantial differences in the kinetics of alignment and relaxation of the two phases.

Original languageEnglish (US)
Pages (from-to)1074-1076
Number of pages3
JournalPhysica B: Condensed Matter
Volume241-243
DOIs
StatePublished - Jan 1 1997

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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