Multiscale modeling of microstructure‐property relationships of polycrystalline metals during thermo‐mechanical deformation
M Knezevic, IJ Beyerlein - Advanced Engineering Materials, 2018 - Wiley Online Library
The plastic deformation of polycrystalline metals is primarily carried by the crystallographic
glide of dislocations and growth of deformation twins. According to the thermodynamic …
glide of dislocations and growth of deformation twins. According to the thermodynamic …
Understanding dislocation mechanics at the mesoscale using phase field dislocation dynamics
IJ Beyerlein, A Hunter - Philosophical Transactions of the …, 2016 - royalsocietypublishing.org
In this paper, we discuss the formulation, recent developments and findings obtained from a
mesoscale mechanics technique called phase field dislocation dynamics (PFDD). We begin …
mesoscale mechanics technique called phase field dislocation dynamics (PFDD). We begin …
Experimental characterization and crystal plasticity modeling of anisotropy, tension-compression asymmetry, and texture evolution of additively manufactured Inconel …
In this work, strength and microstructural evolution of superalloy Inconel 718 (IN718) are
characterized as a function of the initial microstructure created via direct metal laser melting …
characterized as a function of the initial microstructure created via direct metal laser melting …
Strain rate and temperature sensitive multi-level crystal plasticity model for large plastic deformation behavior: Application to AZ31 magnesium alloy
M Ardeljan, IJ Beyerlein, BA McWilliams… - International Journal of …, 2016 - Elsevier
In this work, we develop a multi-level constitutive model for polycrystalline metals that
deform by a combination of elasticity, slip and deformation twinning. It involves a two-level …
deform by a combination of elasticity, slip and deformation twinning. It involves a two-level …
Strain rate and temperature effects on the selection of primary and secondary slip and twinning systems in HCP Zr
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 …
twinning in high-purity hexagonal close packed α-Zr over a wide range of temperatures and …
A crystal plasticity model incorporating the effects of precipitates in superalloys: application to tensile, compressive, and cyclic deformation of Inconel 718
An elasto-plastic polycrystal plasticity model is developed and applied to an Inconel 718
(IN718) superalloy that was produced by additive manufacturing (AM). The model takes into …
(IN718) superalloy that was produced by additive manufacturing (AM). The model takes into …
Microstructure and mechanical behavior of direct metal laser sintered Inconel alloy 718
DH Smith, J Bicknell, L Jorgensen, BM Patterson… - Materials …, 2016 - Elsevier
In this paper, we investigate microstructure and quasi-static mechanical behavior of the
direct metal laser sintered Inconel 718 superalloy as a function of build direction (BD). The …
direct metal laser sintered Inconel 718 superalloy as a function of build direction (BD). The …
Role of grain structure, grain boundaries, crystallographic texture, precipitates, and porosity on fatigue behavior of Inconel 718 at room and elevated temperatures
This paper presents the main results from an investigation into the effect of initial
microstructure on high cycle fatigue behavior of Inconel 718 superalloy. To create a variety …
microstructure on high cycle fatigue behavior of Inconel 718 superalloy. To create a variety …
Unraveling the temperature dependence of the yield strength in single-crystal tungsten using atomistically-informed crystal plasticity calculations
We use a physically-based crystal plasticity model to predict the yield strength of body-
centered cubic (bcc) tungsten single crystals subjected to uniaxial loading. Our model …
centered cubic (bcc) tungsten single crystals subjected to uniaxial loading. Our model …
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 …
(CPFE) model using a thermally activated dislocation-density based constitutive description …