3D crystal plasticity analyses on the role of hard/soft inclusions in the local slip formation

Riccardo Fincato, Seiichiro Tsutsumi, Tatsuo Sakai, Kenjiro Terada

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)


    The present work aims to investigate the phenomenon of local plastic slips formation in the surrounding of inclusions by means of 3D finite element analyses from a mesoscale point of view. Isotropic elastic spherical Al2O3 and MnS inclusions are modelled inside a cylindrical ferritic body subjected to tensile loading conditions with the superimposition of hydrostatic pressure. A crystal plasticity constitutive model within the framework of finite strains is adopted for the description of the matrix together with an anisotropic elasticity tensor. Several crystallographic orientations are considered, in relation to the loading direction, to observe the stress distribution and the formation of the plastic deformation in the surrounding of the inclusion. Two modelling strategies of the matrix-defect interface bond are investigated.

    Original languageEnglish
    Article number105518
    JournalInternational Journal of Fatigue
    Publication statusPublished - 2020 May


    • FEM analysis
    • Interior inclusion
    • Local plastic deformation
    • Stress distribution
    • Very high cycle fatigue

    ASJC Scopus subject areas

    • Modelling and Simulation
    • Materials Science(all)
    • Mechanics of Materials
    • Mechanical Engineering
    • Industrial and Manufacturing Engineering


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