A study of microstructure-driven strain localizations in two-phase polycrystalline HCP/BCC composites using a multi-scale model
In this work, we present a 3D microstructure-based, full-field crystal plasticity finite element
(CPFE) model using a thermally activated dislocation-density based constitutive description
and apply it to study the deformation of a two-phase hexagonal close packed (HCP)-body
center cubic (BCC) Zr/Nb composite. The microstructure models were created using a
synthetic grain structure builder (DREAM. 3D) and a meshing toolset for the 3D network of
grains, grain boundaries, and bimetal interfaces. The crystal orientations, grain shapes, and …
(CPFE) model using a thermally activated dislocation-density based constitutive description
and apply it to study the deformation of a two-phase hexagonal close packed (HCP)-body
center cubic (BCC) Zr/Nb composite. The microstructure models were created using a
synthetic grain structure builder (DREAM. 3D) and a meshing toolset for the 3D network of
grains, grain boundaries, and bimetal interfaces. The crystal orientations, grain shapes, and …
[PDF][PDF] A study of microstructure-driven strain localizations in two-phase polycrystalline HCP/BCC composites using a multi-scale model
NA Mara, TM Pollock - International Journal of Plasticity, 2015 - researchgate.net
abstract In this work, we present a 3D microstructure-based, full-field crystal plasticity finite
element (CPFE) model using a thermally activated dislocation-density based constitutive
description and apply it to study the deformation of a two-phase hexagonal close packed
(HCP)-body center cubic (BCC) Zr/Nb composite. The microstructure models were created
using a synthetic grain structure builder (DREAM. 3D) and a meshing toolset for the 3D
network of grains, grain boundaries, and bimetal interfaces. The crystal orientations, grain …
element (CPFE) model using a thermally activated dislocation-density based constitutive
description and apply it to study the deformation of a two-phase hexagonal close packed
(HCP)-body center cubic (BCC) Zr/Nb composite. The microstructure models were created
using a synthetic grain structure builder (DREAM. 3D) and a meshing toolset for the 3D
network of grains, grain boundaries, and bimetal interfaces. The crystal orientations, grain …
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