Grain boundaries and interfaces in slip transfer
The effect of slip transfer on heterogeneous deformation of polycrystals has been a topic of
recurring interest, as this process can either lead to the nucleation of damage, or prevent …
recurring interest, as this process can either lead to the nucleation of damage, or prevent …
Exploring new links between crystal plasticity models and high-energy X-ray diffraction microscopy
The advancement and transition of computational materials models requires corresponding
developments in experimental methods to provide new phenomenological insights as well …
developments in experimental methods to provide new phenomenological insights as well …
Direct measurement of critical resolved shear stress of prismatic and basal slip in polycrystalline Ti using high energy X-ray diffraction microscopy
Abstract Knowledge of the critical resolved shear stress (CRSS) values of different slip
modes is important for accurately modeling plastic deformation of hexagonal materials …
modes is important for accurately modeling plastic deformation of hexagonal materials …
Intra-grain orientation distributions in deformed aluminium: Synchrotron X-ray diffraction experiment and crystal-plasticity finite-element simulation
L Renversade, R Quey - Acta Materialia, 2024 - Elsevier
The development of intra-grain orientation distributions is analyzed for 446 individual grains
of an aluminium polycrystal deformed in tension to successive strains of 1, 1.5, 2, 2.5 and …
of an aluminium polycrystal deformed in tension to successive strains of 1, 1.5, 2, 2.5 and …
Incipient dynamic recrystallization and adiabatic shear bands in Ti–7Al studied via in situ X-ray diffraction
The interconnected phenomena of dynamic recrystallization (DRX) and adiabatic shear
bands (ASBs) are critical features of dynamic deformation and fracture in metals. Despite …
bands (ASBs) are critical features of dynamic deformation and fracture in metals. Despite …
Effect of realistic 3D microstructure in crystal plasticity finite element analysis of polycrystalline Ti-5Al-2.5 Sn
The effect of constitutive parameters and microstructure on the kinematic and constitutive
responses within grains in a crystal plasticity finite element (CPFE) simulation of a …
responses within grains in a crystal plasticity finite element (CPFE) simulation of a …
Understanding Micromechanical Material Behavior Using Synchrotron X-rays and In Situ Loading
With the flux of high-energy, deeply penetrating X-rays that a 3rd-generation synchrotron
source can provide and the current generation of large fast area detectors, the development …
source can provide and the current generation of large fast area detectors, the development …
[HTML][HTML] Inferring the probability distribution over strain tensors in polycrystals from diffraction based measurements
Polycrystals illuminated by high-energy X-rays or neutrons produce diffraction patterns in
which the measured diffraction peaks encode the individual single crystal strain states …
which the measured diffraction peaks encode the individual single crystal strain states …
An algorithm for resolving intragranular orientation fields using coupled far-field and near-field high energy X-ray diffraction microscopy
We present a novel algorithm for reconstructing spatial intragranular lattice orientation fields
using both far-field and near-field high energy X-ray diffraction microscopy (HEDM) …
using both far-field and near-field high energy X-ray diffraction microscopy (HEDM) …
X-ray characterization of the micromechanical response ahead of a propagating small fatigue crack in a Ni-based superalloy
The small fatigue crack (SFC) growth regime in polycrystalline alloys is complex due to the
heterogeneity in the local micromechanical fields, which result in high variability in crack …
heterogeneity in the local micromechanical fields, which result in high variability in crack …