Defect-interface interactions

IJ Beyerlein, MJ Demkowicz, A Misra… - Progress in Materials …, 2015 - Elsevier
Nanostructured materials contain an extremely high density of interfaces. The properties of
these materials when exposed to extreme conditions of radiation dose, stress, deformation …

Nanomaterials by design: a review of nanoscale metallic multilayers

A Sáenz-Trevizo, AM Hodge - Nanotechnology, 2020 - iopscience.iop.org
Nanoscale metallic multilayers have been shown to have a wide range of outstanding
properties, which differ to a great extent from those observed in monolithic films. Their …

Strain rate and temperature effects on the selection of primary and secondary slip and twinning systems in HCP Zr

M Knezevic, M Zecevic, IJ Beyerlein, JF Bingert… - Acta Materialia, 2015 - Elsevier
We investigate the temperature and rate dependence of slip, twinning, and secondary
twinning in high-purity hexagonal close packed α-Zr over a wide range of temperatures and …

Micromechanical behavior of multilayered Ti/Nb composites processed by accumulative roll bonding: an in-situ synchrotron X-ray diffraction investigation

S Jiang, RL Peng, Z Hegedűs, T Gnäupel-Herold… - Acta Materialia, 2021 - Elsevier
Heterophase interfaces play a crucial role in deformation microstructures and thus govern
mechanical properties of multilayered composites. Here, we fabricated Ti/Nb multilayers by …

Crystal plasticity modeling of strain-induced martensitic transformations to predict strain rate and temperature sensitive behavior of 304 L steels: Applications to …

Z Feng, R Pokharel, SC Vogel, RA Lebensohn… - International Journal of …, 2022 - Elsevier
This paper advances crystallographically-based Olson-Cohen (direct γ→ α') and
deformation mechanism (indirect γ→ ε→ α') phase transformation models for predicting …

Deformation twinning in rolled WE43-T5 rare earth magnesium alloy: Influence on strain hardening and texture evolution

M Jahedi, BA McWilliams, P Moy, M Knezevic - Acta Materialia, 2017 - Elsevier
Insights from a detailed investigation into the anisotropic strain hardening,
tension/compression yield asymmetry, and evolution of crystallographic texture of rolled …

Three dimensional predictions of grain scale plasticity and grain boundaries using crystal plasticity finite element models

M Knezevic, B Drach, M Ardeljan… - Computer Methods in …, 2014 - Elsevier
In this work, we use crystal plasticity finite element (CPFE) models of 2D and 3D
polycrystalline microstructures to elucidate 3D topological effects on microstructural …

A study of microstructure-driven strain localizations in two-phase polycrystalline HCP/BCC composites using a multi-scale model

M Ardeljan, M Knezevic, T Nizolek, IJ Beyerlein… - International Journal of …, 2015 - Elsevier
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 …

A multiscale investigation on the preferential deformation mechanism of coarse grains in the mixed-grain structure of 316LN steel

Y Li, H Zhang, X Shang, M Liu, S Zhao, Z Cui - International Journal of …, 2022 - Elsevier
Mixed-grain structure with millimeter-grade coarse grains (MCGs) is an intolerable defect
often found in heavy forgings. Eliminating this microstructural defect through …

A dislocation density based crystal plasticity finite element model: Application to a two-phase polycrystalline HCP/BCC composites

M Ardeljan, IJ Beyerlein, M Knezevic - … of the Mechanics and Physics of …, 2014 - Elsevier
We present a multiscale model for anisotropic, elasto-plastic, rate-and temperature-sensitive
deformation of polycrystalline aggregates to large plastic strains. The model accounts for a …