“Bulk” nanocrystalline metals: review of the current state of the art and future opportunities for copper and copper alloys
It is a new beginning for innovative fundamental and applied science in nanocrystalline
materials. Many of the processing and consolidation challenges that have haunted …
materials. Many of the processing and consolidation challenges that have haunted …
Probing grain boundary sink strength at the nanoscale: Energetics and length scales of vacancy and interstitial absorption by grain boundaries in -Fe
The energetics and length scales associated with the interaction between point defects
(vacancies and self-interstitial atoms) and grain boundaries in bcc Fe was explored …
(vacancies and self-interstitial atoms) and grain boundaries in bcc Fe was explored …
Symmetric and asymmetric tilt grain boundary structure and energy in Cu and Al (and transferability to other fcc metals)
Symmetric and asymmetric tilt grain boundaries in Cu and Al were generated using
molecular statics energy minimization in a classical molecular dynamics code with in-plane …
molecular statics energy minimization in a classical molecular dynamics code with in-plane …
High resolution mapping of strain localization near twin boundaries in a nickel-based superalloy
JC Stinville, N Vanderesse, F Bridier, P Bocher… - Acta Materialia, 2015 - Elsevier
Damage during cycling loading of polycrystalline metallic alloys involves localized plastic
straining at the scale of individual grains. To better understand damage accumulation …
straining at the scale of individual grains. To better understand damage accumulation …
Atomistic simulations of metallic microstructures
D Farkas - Current Opinion in Solid State and Materials Science, 2013 - Elsevier
This paper reviews recent results in the simulation of the mechanical response of metallic
microstructures at the atomic level. The role of the grain boundary network in deformation …
microstructures at the atomic level. The role of the grain boundary network in deformation …
A combined grain scale elastic–plastic criterion for identification of fatigue crack initiation sites in a twin containing polycrystalline nickel-base superalloy
Damage initiation during cycling loading of polycrystalline metallic alloys involves localized
damage at the scale of individual grains. To better understand damage processes and to …
damage at the scale of individual grains. To better understand damage processes and to …
Direct measurements of slip irreversibility in a nickel-based superalloy using high resolution digital image correlation
Fatigue crack nucleation in crystalline materials typically develops due to highly localized
cyclic slip. During a fatigue cycle, reverse slip differs locally from slip in the forward direction …
cyclic slip. During a fatigue cycle, reverse slip differs locally from slip in the forward direction …
Grain boundary complexions and the strength of nanocrystalline metals: Dislocation emission and propagation
Grain boundary complexions have been observed to affect the mechanical behavior of
nanocrystalline metals, improving both strength and ductility. While an explanation for the …
nanocrystalline metals, improving both strength and ductility. While an explanation for the …
Non-equilibrium grain boundary structure and inelastic deformation using atomistic simulations
GJ Tucker, DL McDowell - International Journal of Plasticity, 2011 - Elsevier
Grain boundary influence on material properties becomes increasingly significant as grain
size is reduced to the nanoscale. Nanostructured materials produced by severe plastic …
size is reduced to the nanoscale. Nanostructured materials produced by severe plastic …
Breakdown of the Schmid law in homogeneous and heterogeneous nucleation events of slip and twinning in magnesium
During the past two decades, twinning and slip in hexagonal close-packed structures have
been extensively studied using molecular dynamics. However, the simulation methods and …
been extensively studied using molecular dynamics. However, the simulation methods and …