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Updated: May 12, 2026

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
Published on: June 7, 2018
On the Bauschinger effect in supercooled melts under shear: results from mode coupling theory and molecular dynamics
Fabian Frahsa1, Amit Kumar Bhattacharjee, Jürgen Horbach
1Fachbereich Physik, Universität Konstanz, 78457 Konstanz, Germany.
Abstract:
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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