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- Title
Recent Progress in Discrete Dislocation Dynamics and Its Applications to Micro Plasticity.
- Authors
Po, Giacomo; Mohamed, Mamdouh; Crosby, Tamer; Erel, Can; El-Azab, Anter; Ghoniem, Nasr
- Abstract
We present a self-contained review of the discrete dislocation dynamics (DDD) method for the numerical investigation of plasticity in crystals, focusing on recent development and implementation progress. The review covers the theoretical foundations of DDD within the framework of incompatible elasticity, its numerical implementation via the nodal method, the extension of the method to finite domains and several implementation details. Applications of the method to current topics in micro-plasticity are presented, including the size effects in nano-indentation, the evolution of the dislocation microstructure in persistent slip bands, and the phenomenon of dislocation avalanches in micro-pillar compression.
- Subjects
DISLOCATIONS in metals; MATERIAL plasticity; CRYSTALS; MICROSTRUCTURE; NANOINDENTATION
- Publication
JOM: The Journal of The Minerals, Metals & Materials Society (TMS), 2014, Vol 66, Issue 10, p2108
- ISSN
1047-4838
- Publication type
Article
- DOI
10.1007/s11837-014-1153-2