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Schematic models for dynamic yielding of sheared colloidal glasses

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2003

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Cates, Michael E.

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http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-38534
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https://doi.org/10.1039/b205629a
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Attribution-NonCommercial-NoDerivs 2.0 Generic

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Physik: Publikationen
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Faraday Discussions. 2003, 123, pp. 267-286. Available under: doi: 10.1039/b205629a

Zusammenfassung

The nonlinear rheological properties of dense suspensions are discussed within simplified models, suggested by a recent first principles approach to the model of Brownian particles in a constant-velocity-gradient solvent flow. Shear thinning of colloidal fluids and dynamical yielding of colloidal glasses arise from a competition between a slowing down of structural relaxation, because of particle interactions, and enhanced decorrelation of fluctuations, caused by the shear advection of density fluctuations. A mode coupling approach is developed to explore the shear-induced suppression of particle caging and the resulting speed-up of the structural relaxation.

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530 Physik

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ISO 690FUCHS, Matthias, Michael E. CATES, 2003. Schematic models for dynamic yielding of sheared colloidal glasses. In: Faraday Discussions. 2003, 123, pp. 267-286. Available under: doi: 10.1039/b205629a
BibTex
@article{Fuchs2003Schem-4987,
  year={2003},
  doi={10.1039/b205629a},
  title={Schematic models for dynamic yielding of sheared colloidal glasses},
  volume={123},
  journal={Faraday Discussions},
  pages={267--286},
  author={Fuchs, Matthias and Cates, Michael E.}
}
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