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Transient dynamics in dense colloidal suspensions under shear : shear rate dependence

Transient dynamics in dense colloidal suspensions under shear : shear rate dependence


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Prüfsumme: MD5:e17554ef7761ee27fe8dc0e9fbc3b198

LAURATI, Marco, K. Jacob MUTCH, Nikos KOUMAKIS, Jochen ZAUSCH, Christian P. AMANN, Andrew B. SCHOFIELD, George PETEKIDIS, John F. BRADY, Jürgen HORBACH, Matthias FUCHS, Stefan Ulrich EGELHAAF, 2012. Transient dynamics in dense colloidal suspensions under shear : shear rate dependence. In: Journal of Physics: Condensed Matter. 24(46), 464104. ISSN 0953-8984. eISSN 1361-648X

@article{Laurati2012-11-21Trans-20942, title={Transient dynamics in dense colloidal suspensions under shear : shear rate dependence}, year={2012}, doi={10.1088/0953-8984/24/46/464104}, number={46}, volume={24}, issn={0953-8984}, journal={Journal of Physics: Condensed Matter}, author={Laurati, Marco and Mutch, K. Jacob and Koumakis, Nikos and Zausch, Jochen and Amann, Christian P. and Schofield, Andrew B. and Petekidis, George and Brady, John F. and Horbach, Jürgen and Fuchs, Matthias and Egelhaaf, Stefan Ulrich}, note={Article Number: 464104} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/20942"> <dc:creator>Brady, John F.</dc:creator> <dc:contributor>Schofield, Andrew B.</dc:contributor> <dc:contributor>Horbach, Jürgen</dc:contributor> <dc:creator>Schofield, Andrew B.</dc:creator> <dcterms:abstract xml:lang="eng">A combination of confocal microscopy and rheology experiments, Brownian dynamics (BD) and molecular dynamics (MD) simulations and mode coupling theory (MCT) have been applied in order to investigate the effect of shear rate on the transient dynamics and stress–strain relations in supercooled and glassy systems under shear. Immediately after shear is switched on, the microscopic dynamics display super-diffusion and the macroscopic rheology a stress overshoot, which become more pronounced with increasing shear rate. MCT relates both to negative sections of the generalized shear modulus, which grow with increasing shear rate. When the inverse shear rate becomes much smaller than the structural relaxation time of the quiescent system, relaxation through Brownian motion becomes less important. In this regime, larger stresses are accumulated before the system yields and the transition from localization to flow occurs earlier and more abruptly.</dcterms:abstract> <dc:rights>deposit-license</dc:rights> <dcterms:bibliographicCitation>Journal of Physics : Condensed Matter ; 24 (2012), 46. - 464104</dcterms:bibliographicCitation> <dc:contributor>Mutch, K. Jacob</dc:contributor> <dcterms:title>Transient dynamics in dense colloidal suspensions under shear : shear rate dependence</dcterms:title> <dc:creator>Mutch, K. Jacob</dc:creator> <dc:language>eng</dc:language> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/20942"/> <dc:contributor>Zausch, Jochen</dc:contributor> <dc:creator>Egelhaaf, Stefan Ulrich</dc:creator> <dc:contributor>Petekidis, George</dc:contributor> <dc:contributor>Amann, Christian P.</dc:contributor> <dcterms:issued>2012-11-21</dcterms:issued> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103605204-4002607-1"/> <dc:creator>Petekidis, George</dc:creator> <dc:contributor>Fuchs, Matthias</dc:contributor> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2012-11-28T10:19:22Z</dcterms:available> <dc:contributor>Egelhaaf, Stefan Ulrich</dc:contributor> <dc:creator>Fuchs, Matthias</dc:creator> <dc:creator>Horbach, Jürgen</dc:creator> <dc:contributor>Laurati, Marco</dc:contributor> <dc:creator>Laurati, Marco</dc:creator> <dc:creator>Zausch, Jochen</dc:creator> <dc:creator>Koumakis, Nikos</dc:creator> <dc:creator>Amann, Christian P.</dc:creator> <dc:contributor>Koumakis, Nikos</dc:contributor> <dc:contributor>Brady, John F.</dc:contributor> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2012-11-28T10:19:22Z</dc:date> </rdf:Description> </rdf:RDF>

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