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Residual Stresses in Glasses

Ballauff, M. and Brader, J. M. and Egelhaaf, S. U. and Fuchs, M. and Horbach, J. and Koumakis, N. and Krüger, M. and Laurati, M. and Mutch, K. and Petekidis, G. and Siebenbürger, M. and Voigtmann, Th. (2013) Residual Stresses in Glasses. Physical Review Letters, 110, p. 215701. American Physical Society. doi: 10.1103/PhysRevLett.110.215701. ISSN 0031-9007.

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The history dependence of glasses formed from flow-melted steady states by a sudden cessation of the shear rate gammdot is studied in colloidal suspensions, by molecular dynamics simulations and by mode-coupling theory. In an ideal glass, stresses relax only partially, leaving behind a finite persistent residual stress. For intermediate times, relaxation curves scale as a function of gammadot*t, even though no flow is present. The macroscopic stress evolution is connected to a length scale of residual liquefaction displayed by microscopic mean-squared displacements. The theory describes this history dependence of glasses sharing the same thermodynamic state variables but differing static properties.

Item URL in elib:https://elib.dlr.de/82508/
Document Type:Article
Additional Information:Covered as editors' suggestion in Physics Focus (Physics vol.6, number 60), and by Inside Science blog, http://www.insidescience.org/content/what-stresses-gorilla-glass-makes-it-stronger/1009
Title:Residual Stresses in Glasses
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Ballauff, M.Helmholtz-Zentrum für Materialien und Energie, Berlin, GermanyUNSPECIFIED
Brader, J. M.University of Fribourg, SwitzerlandUNSPECIFIED
Egelhaaf, S. U.Universität Düsseldorf, GermanyUNSPECIFIED
Fuchs, M.Universität Konstanz, GermanyUNSPECIFIED
Horbach, J.Universität Düsseldorf, GermanyUNSPECIFIED
Laurati, M.Universität Düsseldorf, GermanyUNSPECIFIED
Mutch, K.Universität Düsseldorf, GermanyUNSPECIFIED
Petekidis, G.FORTH Heraklion, GreeceUNSPECIFIED
Siebenbürger, M.Helmholtz-Zentrum für Materialien und Energie, Berlin, GermanyUNSPECIFIED
Voigtmann, Th.thomas.voigtmann (at) dlr.deUNSPECIFIED
Date:24 May 2013
Journal or Publication Title:Physical Review Letters
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1103/PhysRevLett.110.215701
Page Range:p. 215701
Publisher:American Physical Society
Keywords:residual stresses, rheology, glasses
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W FR - Forschung unter Weltraumbedingungen (old)
DLR - Research area:Space
DLR - Program:W FR - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):W - Vorhaben Materialforschung unter Mikro-g (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space
Deposited By: Voigtmann, Dr.rer.nat. Thomas
Deposited On:06 Jun 2013 13:14
Last Modified:30 May 2019 22:06

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