Effect of residual stress in gradient-grained metals: Dislocation dynamics simulations
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) …
the effect of residual stress on the stress-strain response of gradient nano-grained (GNG) …
Multiscale discrete dislocation dynamics study of gradient nano-grained materials
Gradient nano-grained (GNG) metals have shown a better strength-ductility combination
compared to their homogeneous counterparts. In this paper, the mechanical properties and …
compared to their homogeneous counterparts. In this paper, the mechanical properties and …
Dispersed strain bands promote the ductility of gradient nano-grained material: a strain gradient constitutive modeling considering damage effect
Gradient nano-grained (GNG) metals have achieved superior strength-ductility synergy than
their homogeneous counterparts. The high strength is usually attributed to the grain size …
their homogeneous counterparts. The high strength is usually attributed to the grain size …
Geometrically necessary dislocations and related kinematic hardening in gradient grained materials: A nonlocal crystal plasticity study
Gradient grained metals whose microstructure is characterized by a spatially graded grain
size distribution show a better strength-ductility combination than their homogeneous …
size distribution show a better strength-ductility combination than their homogeneous …
Strain hardening behaviors and strain rate sensitivity of gradient-grained Fe under compression over a wide range of strain rates
In the present work, gradient-grained Fe was synthesized by means of surface mechanical
grinding treatment, and then the compression behaviors of the coarse-grained Fe and the …
grinding treatment, and then the compression behaviors of the coarse-grained Fe and the …
Multiple mechanism based constitutive modeling of gradient nanograined material
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 …
nano-scale in the surface to micro-scale in the substrate, have shown synergetic strength …
Grain rotations during uniaxial deformation of gradient nano-grained metals using crystal plasticity finite element simulations
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 …
performance in both strength and ductility. In this paper, we investigate the uniaxial …
Deformation mechanisms based constitutive modelling and strength-ductility mapping of gradient nano-grained materials
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 …
due to their unique gradient microstructure, where the grain size changes from tens of …
[HTML][HTML] Revealing the inhibition mechanism of grain size gradient on crack growth in gradient nano-grained materials
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 …
surface to micro-scale in the core, have shown superior fatigue property, good strength and …
The tension-compression behavior of gradient structured materials: A deformation-mechanism-based strain gradient plasticity model
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 …
which is the pursuit of structural materials. Abundant studies have pointed out that significant …