Modelling irradiation-induced softening in BCC iron by crystal plasticity approach

Xiazi Xiao, Dmitry Terentyev, Long Yu, D. Song, Alexander Bakaev, Huiling Duan

    Research outputpeer-review


    Crystal plasticity model (CPM) for BCC iron to account for radiation-induced strain softening is proposed. CPM is based on the plastically-driven and thermally-activated removal of dislocation loops. Atomistic simulations are applied to parameterize dislocation-defect interactions. Combining experimental microstructures, defect-hardening/absorption rules from atomistic simulations, and CPM fitted to properties of non-irradiated iron, the model achieves a good agreement with experimental data regarding radiation-induced strain softening and flow stress increase under neutron irradiation. © 2015 Elsevier B.V. All rights reserved.
    Original languageEnglish
    Pages (from-to)312-315
    JournalJournal of Nuclear Materials
    StatePublished - 23 Aug 2015

    Cite this