Grain size-dependent crystal plasticity constitutive model for polycrystal materials

Consideration of a core and mantle configuration for individual grains is a prominent method to capture the grain size-dependence in the constitutive models for polycrystal material. The mantle represents a region of the grain volume near the grain boundary where mechanical deformation is influenced...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2017-08, Vol.703, p.521-532
Hauptverfasser:	Ghorbani Moghaddam, Masoud, Achuthan, Ajit, Bednarcyk, Brett A., Arnold, Steven M., Pineda, Evan J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Case hardenability Configurations Constitutive models Core and mantle configuration Crystal plasticity Crystals Deformation Density distribution Dislocation based model Dislocation density Grain boundaries Grain size Grain size-dependent constitutive model Mantle Mathematical models Mechanical properties Metals And Metallic Materials Nuclear electric power generation Nucleation Phenomenological model Plastic properties Polycrystals Shear flow Strain distribution Strain hardening Stress-strain relationships Yield strength Yield stress
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