A bottom‐up continuum approach of crystal plasticity for the analysis of fcc microwires under torsion | Zendy

Zoller Kolja | Zendy; Schulz Katrin | Zendy

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A bottom‐up continuum approach of crystal plasticity for the analysis of fcc microwires under torsion

Author(s) -

Zoller Kolja,

Schulz Katrin

Publication year - 2019

Publication title -

pamm

Language(s) - English

Resource type - Journals

ISSN - 1617-7061

DOI - 10.1002/pamm.201900032

Subject(s) - crystal plasticity , torsion (gastropod) , dislocation , plasticity , materials science , condensed matter physics , dislocation creep , classical mechanics , physics , composite material , medicine , surgery

The microstructural evolution of face‐centered cubic microwires is studied using a physical motivated, homogenized continuum model of crystal plasticity. The dislocation configuration in the three‐dimensional space is thereby described via a Continuum Dislocation Dynamics (CDD) theory including a dislocation source term. The resulting spatial distribution of dislocation densities and strain components are shown for a relaxation problem with torsional loading.

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