Grain boundaries can undergo phase-like transitions, called complexion transitions, in
which their structure, composition, and properties change discontinuously as temperature …

A novel dislocation-density-based crystal plasticity model for nanocrystalline face-centered
cubic metals is developed based on the thermally-activated mechanism of dislocations …

The remarkably high strength of nanocrystalline metals is of great interest to researchers
and seems to open up many interesting design applications. However, a particularly vexing …

Equiatomic CrMnFeCoNi high-entropy alloy (HEA) known as Cantor alloy was extensively
studied because of intriguing mechanical properties and fracture toughness. However, the …

Ultrafine austenite-ferrite duplex medium Mn steels often show a discontinuous yielding
phenomenon, which is not commonly observed in other composite-like multiphase …

High-performance refractory alloys with ultrahigh strength and ductility are in demand for a
wide range of critical applications, such as plasma-facing components. However, it remains …

The development of radiation-tolerant structural materials is an essential element for the
success of advanced nuclear energy concepts. A proven strategy to increase radiation …

Nanograined (NG) materials often suffer from low thermal stability owing to the high volume
fraction of grain boundaries (GBs). Herein, we investigate the possibility of utilizing local …

The phase-transformation-like behavior of grain boundaries, where their chemistry, structure
and properties change discontinuously, is emerging as a fundamental interest in the context …

Grain boundary engineering is a versatile tool for strengthening materials by tuning the
composition and bonding structure at the interface of neighboring crystallites, and this …