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Nonlinear rheological response of colloidal glass

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Fuchs_0-257879.pdf
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2013

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http://nbn-resolving.de/urn:nbn:de:bsz:352-0-257879
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https://doi.org/10.1063/1.4794560
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MICHIO TOKUYAMA ..., , ed.. 4th International Symposium on Slow Dynamics in Complex Systems : Keep Going Tohoku. Melville, NY: AIP, American Inst. of Physics, 2013, pp. 134-142. AIP Conference Proceedings. 1518. ISBN 978-1-62993-682-6. Available under: doi: 10.1063/1.4794560

Zusammenfassung

I review a first principles approach to the non-linear rheology of dense colloidal dispersions. Assuming homogeneous flow and neglecting hydrodynamic interactions, a theoretical description of the stresses, micro-structure, and particle motion close to a colloidal glass transition are developed. Results for large amplitude oscillatory shearing, step-strains, and other time-dependent transient deformation protocols provide a unifying description of the dispersion properties under general strains including non-stationary situations. Shear-thinning, plastic deformation and an-elastic behaviour are observed. Adding Brownian dynamics simulations, the shear-induced particle motion provides information on the microscopic transport mechanisms in the dense dispersions.

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530 Physik

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4th International Symposium on Slow Dynamics in Complex Systems : Keep Going Tohoku, 2. Dez. 2012 - 7. Dez. 2012, Sendai, Japan
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ISO 690FUCHS, Matthias, 2013. Nonlinear rheological response of colloidal glass. 4th International Symposium on Slow Dynamics in Complex Systems : Keep Going Tohoku. Sendai, Japan, 2. Dez. 2012 - 7. Dez. 2012. In: MICHIO TOKUYAMA ..., , ed.. 4th International Symposium on Slow Dynamics in Complex Systems : Keep Going Tohoku. Melville, NY: AIP, American Inst. of Physics, 2013, pp. 134-142. AIP Conference Proceedings. 1518. ISBN 978-1-62993-682-6. Available under: doi: 10.1063/1.4794560
BibTex
@inproceedings{Fuchs2013Nonli-29265,
  year={2013},
  doi={10.1063/1.4794560},
  title={Nonlinear rheological response of colloidal glass},
  number={1518},
  isbn={978-1-62993-682-6},
  publisher={AIP, American Inst. of Physics},
  address={Melville, NY},
  series={AIP Conference Proceedings},
  booktitle={4th International Symposium on Slow Dynamics in Complex Systems : Keep Going Tohoku},
  pages={134--142},
  editor={Michio Tokuyama ...},
  author={Fuchs, Matthias}
}
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