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Mode-Coupling Analysis of Residual Stresses in Colloidal Glasses

Fritschi, S. and Fuchs, M. and Voigtmann, Thomas (2014) Mode-Coupling Analysis of Residual Stresses in Colloidal Glasses. Soft Matter, 10, pp. 4822-4832. Royal Society of Chemistry. DOI: 10.1039/C4SM00247D ISSN 1744-683X

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We present results from computer simulation and mode-coupling theory of the glass transition for the nonequilibrium relaxation of stresses in a colloidal glass former after the cessation of shear flow. In the ideal glass, persistent residual stresses are found that depend on the flow history. The partial decay of stresses from the steady state to this residual stress is governed by the previous shear rate. We rationalize this observation in a schematic model of mode-coupling theory. The results from Brownian-dynamics simulations of a glassy two-dimensional hard-disk system are in qualitative agreement with the predictions of the theory.

Item URL in elib:https://elib.dlr.de/89560/
Document Type:Article
Title:Mode-Coupling Analysis of Residual Stresses in Colloidal Glasses
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Fritschi, S.Universität KonstanzUNSPECIFIED
Fuchs, M.Universität KonstanzUNSPECIFIED
Voigtmann, Thomasthomas.voigtmann (at) dlr.deUNSPECIFIED
Journal or Publication Title:Soft Matter
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1039/C4SM00247D
Page Range:pp. 4822-4832
Publisher:Royal Society of Chemistry
Keywords:rheology, residual stresses, mode-coupling theory
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):R - Vorhaben Materialwissenschaftliche Forschung (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space
Deposited By: Voigtmann, Dr.rer.nat. Thomas
Deposited On:01 Jul 2014 13:11
Last Modified:06 Sep 2019 15:20

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