Residual stresses in glasses

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Ballauff_265403.pdf
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2013
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Ballauff, Matthias
Egelhaaf, Stefan U.
Horbach, Jürgen
Koumakis, Nick
Laurati, Marco
Mutch, Kevin J.
Petekidis, George
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Physical Review Letters. 2013, 110(21). ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.110.215701
Zusammenfassung

The history dependence of glasses formed from flow-melted steady states by a sudden cessation of the shear rate γ˙ 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 γ˙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.

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ISO 690BALLAUFF, Matthias, Joseph M. BRADER, Stefan U. EGELHAAF, Matthias FUCHS, Jürgen HORBACH, Nick KOUMAKIS, Matthias KRÜGER, Marco LAURATI, Kevin J. MUTCH, George PETEKIDIS, Miriam SIEBENBÜRGER, Thomas VOIGTMANN, Jochen ZAUSCH, 2013. Residual stresses in glasses. In: Physical Review Letters. 2013, 110(21). ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.110.215701
BibTex
@article{Ballauff2013Resid-26540,
  year={2013},
  doi={10.1103/PhysRevLett.110.215701},
  title={Residual stresses in glasses},
  number={21},
  volume={110},
  issn={0031-9007},
  journal={Physical Review Letters},
  author={Ballauff, Matthias and Brader, Joseph M. and Egelhaaf, Stefan U. and Fuchs, Matthias and Horbach, Jürgen and Koumakis, Nick and Krüger, Matthias and Laurati, Marco and Mutch, Kevin J. and Petekidis, George and Siebenbürger, Miriam and Voigtmann, Thomas and Zausch, Jochen}
}
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