%0 Journal Article %T A molecular dynamics-informed probabilistic cross-slip model in discrete dislocation dynamics %+ Technion - Israel Institute of Technology [Haifa] %+ Laboratoire d'étude des microstructures [Châtillon] (LEM - ONERA - CNRS) %A Malka-Markovitz, Alon %A Devincre, Benoit %A Mordehai, Dan %< avec comité de lecture %@ 1359-6462 %J Scripta Materialia %I Elsevier %V 190 %P 7-11 %8 2021-01 %D 2021 %R 10.1016/j.scriptamat.2020.08.008 %Z Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci]Journal articles %X We present here a quantitative study of dislocation cross-slip, an essential thermally activated process in deformation of metals, in discrete dislocation dynamics (DDD) simulations. We implemented a stress-dependent line-tension model in DDD simulations, with minimal information from molecular dynamics (MD) simulations. This model allows reproducing in DDD simulations the probabilistic cross-slip rate calculated in MD simulations for Cu in a large range of stresses and temperatures. This model opens new horizons in modelling cross-slip related mechanisms such as deformation softening, dislocation-precipitate interaction and dislocation patterning in realistic strain rates. Abstract We present here a quantitative study of dislocation cross-slip, an essential thermally %G English %2 https://cnrs.hal.science/hal-02922568/document %2 https://cnrs.hal.science/hal-02922568/file/SSRN-id3603549.pdf %L hal-02922568 %U https://cnrs.hal.science/hal-02922568 %~ ONERA %~ CNRS %~ TEST-HALCNRS %~ LEM_UMR104 %~ GS-PHYSIQUE