Grain boundaries (GBs) are central defects for describing polycrystalline materials, and
playing major role in a wide-range of physical properties of polycrystals. Control over GB …

Recent experiments on nanostructured materials, such as nanoparticles, nanowires,
nanotubes, nanopillars, thin films, and nanocrystals have revealed a host of “ultra-strength” …

In crystalline materials, plastic deformation occurs by the motion of dislocations, and the
regions between individual crystallites, called grain boundaries, act as obstacles to …

In this review, we focus on the saturation microstructure that evolves during severe plastic
deformation (SPD). These nanocrystalline or ultrafine-grained microstructures consist …

Atomic-level modeling of materials provides fundamental insights into phase stability,
structure and properties of crystalline defects, and to physical mechanisms of many …

Fatigue in metals involves gradual failure through incremental propagation of cracks under
repetitive mechanical load. In structural applications, fatigue accounts for up to 90% of in …

Pushing the internal or external dimensions of metallic alloys down to the nanometer scale
gives rise to strong materials, though most often at the expense of a low ductility and a low …

Shear-coupled grain boundary (GB) migration is of general significance in the deformation
of nanocrystalline and polycrystalline materials, but comprehensive understanding of the …

Grain boundaries in polycrystalline materials migrate to reduce the total excess energy. It
has recently been found that the factors governing migration rates of boundaries in bicrystals …

Al 0.7 CoCrFeNi high entropy alloy (HEA) with a microstructure comprising strain free face-
centered cubic (FCC) grains and strongly deformed sub-structured body centered cubic …