Gradient nano-grained (GNG) materials, in which grain size changes from nano-scale in the
surface to micro-scale in the core, have shown superior fatigue property, good strength and …

Gradient nano-grained (GNG) structures exhibit an excellent combination of high strength
and toughness. In this paper, molecular dynamics (MD) simulations have been utilized to …

Conventional polycrystalline metals become stronger with decreasing grain size, yet
softening starts to take over at the nanometer regime, giving rise to the strongest size at …

Gradient structured (GS) materials are ubiquitous in biological systems and now
increasingly adopted in engineering systems to achieve desirable combinations of …

Gradient nano-grained (GNG) metals are a unique class of materials with spatial gradients
in grain size, typically from the surface to the bulk. Here the gradient mechanical behavior in …

Substantial research has shown the remarkable mechanical properties such as high stress
and excellent strain hardening of nanocrystalline (NC) materials with a grain size gradient …

Experiments have shown that a gradient design, in which grain size spans over four orders
of magnitude, can make strong nanomaterials ductile. This chapter presents a developed …

Large-scale molecular dynamics (MD) simulations have been performed to investigate the
tensile properties and the related atomistic deformation mechanisms of the gradient nano …

Many studies have shown that the outstanding mechanical properties of surface nano-
crystallized (SNC) materials were primarily attributed to the grain size gradient (GSG) region …

Gradient structured (GS) metals can simultaneously achieve high strength and high ductility,
which is the pursuit of structural materials. Abundant studies have pointed out that significant …