Publikation: On the Bauschinger effect in supercooled melts under shear : Results from mode coupling theory and molecular dynamics
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2013
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The Journal of Chemical Physics. 2013, 138(12), 12A513. ISSN 0021-9606. eISSN 1089-7690. Available under: doi: 10.1063/1.4770336
Zusammenfassung
We study the nonlinear rheology of a glass-forming binary mixture under the reversal of shear flow using molecular dynamics simulations and a schematic model of the mode-coupling theory of the glass transition (MCT). Memory effects lead to a history-dependent response, as exemplified by the vanishing of a stress-overshoot phenomenon in the stress–strain curves of the sheared liquid, and a change in the apparent elastic coefficients around states with zero stress. We investigate the various retarded contributions to the stress response at a given time schematically within MCT. The connection of this macroscopic response to single-particle motion is demonstrated using molecular-dynamics simulation.
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530 Physik
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Elasticity, Correlation, functions, Elastic moduli, Glass transitions
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FRAHSA, Fabian, Amit Kumar BHATTACHARJEE, Jürgen HORBACH, Matthias FUCHS, Thomas VOIGTMANN, 2013. On the Bauschinger effect in supercooled melts under shear : Results from mode coupling theory and molecular dynamics. In: The Journal of Chemical Physics. 2013, 138(12), 12A513. ISSN 0021-9606. eISSN 1089-7690. Available under: doi: 10.1063/1.4770336BibTex
@article{Frahsa2013-03-28Bausc-25436,
year={2013},
doi={10.1063/1.4770336},
title={On the Bauschinger effect in supercooled melts under shear : Results from mode coupling theory and molecular dynamics},
number={12},
volume={138},
issn={0021-9606},
journal={The Journal of Chemical Physics},
author={Frahsa, Fabian and Bhattacharjee, Amit Kumar and Horbach, Jürgen and Fuchs, Matthias and Voigtmann, Thomas},
note={Article Number: 12A513}
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