Glass transitions and shear thickening suspension rheology

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HOLMES, Colin B., Michael E. CATES, Matthias FUCHS, Peter SOLLICH, 2005. Glass transitions and shear thickening suspension rheology. In: Journal of Rheology. 49(1), pp. 237-269

@article{Holmes2005Glass-8850, title={Glass transitions and shear thickening suspension rheology}, year={2005}, doi={10.1122/1.1814114}, number={1}, volume={49}, journal={Journal of Rheology}, pages={237--269}, author={Holmes, Colin B. and Cates, Michael E. and Fuchs, Matthias and Sollich, Peter} }

<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/123456789/8850"> <dc:format>application/pdf</dc:format> <dc:creator>Sollich, Peter</dc:creator> <dcterms:bibliographicCitation>First publ. in: Journal of Rheology 49 (2005), 1, pp. 237 269</dcterms:bibliographicCitation> <dc:contributor>Holmes, Colin B.</dc:contributor> <dcterms:title>Glass transitions and shear thickening suspension rheology</dcterms:title> <dc:language>eng</dc:language> <dc:contributor>Cates, Michael E.</dc:contributor> <dc:rights>deposit-license</dc:rights> <dc:contributor>Fuchs, Matthias</dc:contributor> <dc:creator>Holmes, Colin B.</dc:creator> <dc:creator>Cates, Michael E.</dc:creator> <dcterms:rights rdf:resource="https://creativecommons.org/licenses/by-nc-nd/2.0/legalcode"/> <dc:contributor>Sollich, Peter</dc:contributor> <dcterms:issued>2005</dcterms:issued> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:51:01Z</dc:date> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/8850"/> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:51:01Z</dcterms:available> <dc:creator>Fuchs, Matthias</dc:creator> <dcterms:abstract xml:lang="eng">We introduce a class of simple models for shear thickening and/or "jamming" in colloidal suspensions. These are based on the schematic mode coupling theory (MCT) of the glass transition, having a memory term that depends on a density variable, and on both the shear stress and the shear rate. (Tensorial aspects of the rheology, such as normal stresses, are ignored for simplicity.) We calculate steady-state flow curves and correlation functions. Depending on model parameters, we find a range of rheological behaviors, including "S-shaped" flow curves, indicating discontinuous shear thickening, and stress-induced transitions from a fluid to a nonergodic (jammed) state, showing zero flow rate in an interval of applied stress. The shear thickening and jamming scenarios that we explore appear broadly consistent with experiments on dense colloids close to the glass transition, despite the fact that we ignore hydrodynamic interactions. In particular, the jamming transition we propose is conceptually quite different from various hydrodynamic mechanisms of shear thickening in the literature, although the latter might remain pertinent at lower colloid densities. Our jammed state is a stress-induced glass, but its nonergodicity transitions have an analytical structure distinct from that of the conventional MCT glass transition.</dcterms:abstract> </rdf:Description> </rdf:RDF>

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