An empirical constitutive law for concentrated colloidal suspensions in the approach of the glass transition
An empirical constitutive law for concentrated colloidal suspensions in the approach of the glass transition
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2009
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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
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530 Physics
Keywords
Glass transition,Mode-coupling theory,Colloidal glass,BSW spectrum,Linear viscoelasticity,Near-glass dynamics
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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/s00397-009-0377-5BibTex
@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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