Structural evolutions of metallic materials processed by severe plastic deformation
Abstract Bulk nanostructured (ns)/ultrafine-grained (UFG) metallic materials possess very
high strength, making them attractive for high strength, lightweight and energy efficient …
high strength, making them attractive for high strength, lightweight and energy efficient …
Growth twins and deformation twins in metals
This article reviews recent basic research on two classes of twins: growth twins and
deformation twins. We focus primarily on studies that aim to understand, via experiments …
deformation twins. We focus primarily on studies that aim to understand, via experiments …
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 …
Machine learning-based multi-objective optimization for efficient identification of crystal plasticity model parameters
A set of constitutive model parameters along with crystallography governs the activation of
deformation mechanisms in crystal plasticity. The constitutive parameters are typically …
deformation mechanisms in crystal plasticity. The constitutive parameters are typically …
Determining volume fractions of γ, γ′, γ ″, δ, and MC-carbide phases in Inconel 718 as a function of its processing history using an advanced neutron diffraction …
In this work, quantitative crystallographic and microstructural analyses of γ, γ′, γ ″, δ, and
MC carbide phases are performed on wrought samples, samples fabricated via additive …
MC carbide phases are performed on wrought samples, samples fabricated via additive …
Experimental characterization and crystal plasticity modeling for predicting load reversals in AA6016-T4 and AA7021-T79
The detailed contribution of microstructural-level phenomena, such as dislocation structure
development and annihilation, as well as inter-granular and intra-granular backstress fields …
development and annihilation, as well as inter-granular and intra-granular backstress fields …
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 …
Low cycle fatigue behavior of direct metal laser sintered Inconel alloy 718
In this work, we investigate strength and low cycle fatigue (LCF) life of direct metal laser
sintered (DMLS) Inconel 718 superalloy at room temperature. To investigate effects of initial …
sintered (DMLS) Inconel 718 superalloy at room temperature. To investigate effects of initial …
Three dimensional predictions of grain scale plasticity and grain boundaries using crystal plasticity finite element models
In this work, we use crystal plasticity finite element (CPFE) models of 2D and 3D
polycrystalline microstructures to elucidate 3D topological effects on microstructural …
polycrystalline microstructures to elucidate 3D topological effects on microstructural …