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Title: Shear thickening in polymer stabilized colloidal dispersions
Authors: Krishnamurthy, LN ×
Wagner, NJ
Mewis, Joannes #
Issue Date: Nov-2005
Publisher: Journal of rheology amer inst physics
Series Title: Journal of rheology vol:49 issue:6 pages:1347-1360
Abstract: A micromechanical model for the onset of shear thickening in polymer stabilized colloidal dispersions is derived. The model incorporates both the stabilizing forces of the polymer brush or " coat" and the associated modification of the hydrodynamic interactions. Comparison is made to simulations and experiments on well -characterized dispersions. The model is shown to provide, a quantitative prediction for the onset of shear thickening in polymer coated colloidal dispersions as compared to simulations. For comparison with experiments, where independent characterization of some parameters is not available, the onset of shear thickening can be predicted with realistic assumptions for the model parameters. The model quantifies the sensitivity of the shear thickening transition to both the interaction potential and the hydrodynamic permeability of the polymer coat. (c) 2005 The Society of Rheology.
URI: 
ISSN: 0148-6055
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Chemical Engineering - miscellaneous
× corresponding author
# (joint) last author

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