An empirical constitutive law for concentrated colloidal suspensions in the approach of the glass transition

Winter, Henning; Siebenbürger, Miriam; Hajnal, David; Henrich, Oliver; Fuchs, Matthias; Ballauff, Matthias

An empirical constitutive law for concentrated colloidal suspensions in the approach of the glass transition

Files

empirical_winter.pdf(606.21 KB)

Date

2009

Authors

Winter, Henning

Siebenbürger, Miriam

Hajnal, David

Henrich, Oliver

Fuchs, Matthias

Ballauff, Matthias

Publication type

Journal article

Published in

Rheologica acta ; 48 (2009), 7. - pp. 747-753

Abstract

Concentrated, non-crystallizing colloidal suspensions in their approach of the glass state exhibit distinct dynamics patterns. These patterns suggest a powerlaw rheological constitutive model for nearglass viscoelasticity, as presented here. The rheological parameters used for this model originate in the mode-coupling theory. The proposed constitutive model provides explicit expressions for the steady shear viscosity, the steady normal stress coefficient, the modulus-compliance relation, and the α peak of G''. The relaxation pattern distinctly differs from gelation

Subject (DDC)

530 Physics

Keywords

Glass transition,Mode-coupling theory,Colloidal glass,BSW spectrum,Linear viscoelasticity,Near-glass dynamics

Cite This

ISO 690

WINTER, Henning, Miriam SIEBENBÜRGER, David HAJNAL, Oliver HENRICH, Matthias FUCHS, Matthias BALLAUFF, 2009. An empirical constitutive law for concentrated colloidal suspensions in the approach of the glass transition. In: Rheologica acta. 48(7), pp. 747-753. Available under: doi: 10.1007/s00397-009-0377-5

BibTex

@article{Winter2009empir-5279,
  year={2009},
  doi={10.1007/s00397-009-0377-5},
  title={An empirical constitutive law for concentrated colloidal suspensions in the approach of the glass transition},
  number={7},
  volume={48},
  journal={Rheologica acta},
  pages={747--753},
  author={Winter, Henning and Siebenbürger, Miriam and Hajnal, David and Henrich, Oliver and Fuchs, Matthias and Ballauff, Matthias}
}

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