A three-dimensional discrete dislocation dynamics (DDD) method was used to investigate the effect of residual stress on the stress-strain response of gradient nano-grained (GNG) …
Gradient nano-grained (GNG) materials have shown synergetic high strength and ductility due to their unique gradient microstructure, where the grain size changes from tens of …
Overcoming the trade-off between strength and ductility in metallic materials is a grand challenge. Recently, materials with a gradient nano-grained (GNG) surface layer adhering to …
Gradient nano-grained (GNG) metals are an emerging class of heterogeneous structured materials with extraordinary mechanistic performances and unnatural plasticity mechanisms …
Gradient grained metals whose microstructure is characterized by a spatially graded grain size distribution show a better strength-ductility combination than their homogeneous …
Z Li, F Yang - Extreme Mechanics Letters, 2017 - Elsevier
Gradient nano-grained (GNG) metals have great application potential due to its outstanding performance in both strength and ductility. In this paper, we investigate the uniaxial …
Gradient nano-grained (GNG) materials, inside which grain size increases gradually from nano-scale in the surface to micro-scale in the substrate, have shown synergetic strength …
WA Siswanto, RM Romero-Parra… - Proceedings of the …, 2023 - journals.sagepub.com
Due to their individual plastic deformation behavior and mechanistic performances, gradient nano-grained (GNG) metals have been identified as promising materials for application in …
CY He, XF Yang, H Chen, Y Zhang, GJ Yuan… - Materials Today …, 2022 - Elsevier
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 …