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 …

Experimental characterization and crystal plasticity modeling of anisotropy, tension-compression asymmetry, and texture evolution of additively manufactured Inconel …

S Ghorbanpour, ME Alam, NC Ferreri, A Kumar… - International Journal of …, 2020 - Elsevier
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 …

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 …

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 …

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 …

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 …

3D printable biomaterials for orthopedic implants: Solution for sustainable and circular economy

D Yadav, RK Garg, A Ahlawat, D Chhabra - Resources Policy, 2020 - Elsevier
In the last few years, 3d printable biomaterials has been tremendously utilized in the
fabrication of orthopaedic implants because of its light weight, minimum material wastage …

Low cycle fatigue behavior of direct metal laser sintered Inconel alloy 718

S Gribbin, J Bicknell, L Jorgensen, I Tsukrov… - International Journal of …, 2016 - Elsevier
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 …

Role of grain structure, grain boundaries, crystallographic texture, precipitates, and porosity on fatigue behavior of Inconel 718 at room and elevated temperatures

S Gribbin, S Ghorbanpour, NC Ferreri, J Bicknell… - Materials …, 2019 - Elsevier
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 …

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 …