Size effect of the nickel-based single crystal superalloy DD6 is investigated in this study by
performing nanoindentation experiments and finite element (FE) simulations by …

Fatigue is a difficult multi-scale modelling problem nucleating from localised plasticity at the
scale of dislocations and microstructure with significant engineering safety implications …

An analytic model of the evolution of dislocation density in fcc polycrystals is described. The
evolution equations approximately account for most known dislocation storage, dynamic …

A dislocation and gradient-based crystal plasticity finite element study of fatigue has been
carried out for nickel-based superalloy RR1000 in order to investigate detrimental non …

In this study, the effects of grain size and dislocation source properties on the yield stress of
ultrafine-grained (UFG) polycrystals were examined using three-dimensional multiscale …

Non-metallic inclusions and twin boundaries are preferred fatigue crack nucleation locations
in polycrystalline Ni-based superalloys. A Heaviside HR-DIC, EBSD and multi-scale …

The high hardness and polycrystalline structure of polycrystalline magnesium aluminate
spinel (PMAS) present significant challenges in achieving high-precision processing …

Experiments and corresponding crystal plasticity finite element (CPFE) simulations of
spherical nanoindentation were performed to determine yield stress under indentation of …

Slip intermittency and stress oscillations in titanium alloy Ti–7Al–O that were observed using
in-situ far-field high energy X-ray diffraction microscopy (ff-HEDM) are investigated using a …

Two-dimensional discrete dislocation plasticity (DDP) calculations that simulate single
crystal films bonded to a rigid substrate under sliding by a rigid sinusoid-shaped asperity are …