Nearly all metals, alloys, ceramics, and their associated composites are polycrystalline in
nature, with grain boundaries that separate well-defined crystalline regions that influence …

Failure processes are often linked to interfaces, their atomistic structure and chemistry.
Therefore, a detailed understanding of failure processes requires knowledge of structural …

Grain boundaries (GBs)'s role in determining the functional and mechanical properties of
polycrystalline materials is inscribed in both their structure and chemistry. Upon solute …

The strength of polycrystalline metals increases with decreasing grain size, following the
classical Hall-Petch relationship. However, this relationship fails when softening occurs at …

Alloying a material and hence segregating solutes to grain boundaries is one way to tailor a
material to the demands of its application. Direct observation of solute segregation is …

Phase transformations and crystallographic defects are two essential tools to drive
innovations in materials. Bulk materials design via tuning chemical compositions is …

To study the role of chemical composition on the resistivities of grains and grain boundaries
(GB) for dilute Fe-alloyed Cu thin films, Cu films with grain sizes varying over three orders of …

Alloying is an economically efficient strategy to improve the thermal and mechanical stability
of materials, which can also be applied to grain boundary (GB) in nanocrystalline materials …

Molecular dynamics simulations are employed to investigate the grain boundary (GB)-
segregation-induced strengthening and determine the maximal yield stress (MYS) in …

Micropillar compression was used to investigate whether Ag segregation to an asymmetric
Σ5 [001] grain boundary will lead to measurable strength differences compared to the pure …