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    Recent Progress in Discrete Dislocation Dynamics and Its Applications to Micro Plasticity

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    Type
    Article
    Authors
    Po, Giacomo
    Mohamed, Mamdouh S.
    Crosby, Tamer
    Erel, Can
    El-Azab, Anter
    Ghoniem, Nasr
    KAUST Department
    Physical Science and Engineering (PSE) Division
    Date
    2014-09-27
    Online Publication Date
    2014-09-27
    Print Publication Date
    2014-10
    Permanent link to this record
    http://hdl.handle.net/10754/594292
    
    Metadata
    Show full item record
    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.
    Citation
    Po G, Mohamed MS, Crosby T, Erel C, El-Azab A, et al. (2014) Recent Progress in Discrete Dislocation Dynamics and Its Applications to Micro Plasticity. JOM 66: 2108–2120. Available: http://dx.doi.org/10.1007/s11837-014-1153-2.
    Sponsors
    This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Fusion Energy Sciences, under Award Number DE-FG02-03ER54708, and the US Air Force Office of Scientific Research (AFOSR), under award number FA9550-11-1-0282.
    Publisher
    Springer Nature
    Journal
    JOM
    DOI
    10.1007/s11837-014-1153-2
    ae974a485f413a2113503eed53cd6c53
    10.1007/s11837-014-1153-2
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division

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