Materials containing heterogeneous nanostructures hold great promise for achieving
superior mechanical properties. However, the strengthening effect due to plastically …

The steady state is expected when applying severe plastic deformation (SPD) techniques to
process metals. In this study, we propose a method to study the steady state regarding the …

Heterogeneous metals and alloys are a new class of materials that emerged recently with
outstanding mechanical performances such as excellent strength-ductility synergy …

Nanostructured (NS) metals typically fail soon after yielding, starting with the formation of
narrow shear bands. Here we report the observation of shear band delocalization in …

Two-dimensional dislocation dynamics and diffusion kinetics simulations are employed to
study the different mechanisms of plastic deformation of ultrafine-grained (UFG) metals at …

Microstructural evolution of Al2024 alloy, consisting of precipitates, subjected to surface
mechanical grinding treatment (SMGT) was investigated to reveal the role of strain and …

Metal matrix composites (MMCs) comprising nano/microcrystalline matrices and
reinforcements exhibit impressive mechanical behaviors derived by exploiting the size …

Low-excess energy twin boundary can effectively stabilize the conventional grain boundary.
It has been reported that deformation-activated nanotwins in nanograined metals produced …

Heterogeneous nanostructured materials, including metals, alloys, and composites, have
attracted significant scientific interest because of their outstanding performance in …

Traditionally, modeling the effect of grain size on the mechanical behavior of crystalline
materials is based on assuming an equivalent homogenous microstructure with strength …