Manipulating disorder within cathodes of alkali-ion batteries
S Kang, S Lee, H Lee, YM Kang - Nature Reviews Chemistry, 2024 - nature.com
The fact that ordered materials are rarely perfectly crystalline is widely acknowledged
among materials scientists, but its impact is often overlooked or underestimated when …
among materials scientists, but its impact is often overlooked or underestimated when …
The microstructural origin of work hardening stages
DA Hughes, N Hansen - Acta Materialia, 2018 - Elsevier
The strain evolution of the flow stress and work hardening rate in stages III and IV is
explored by utilizing a fully described deformation microstructure. Extensive measurements …
explored by utilizing a fully described deformation microstructure. Extensive measurements …
Influence of the stacking fault energy surface on partial dislocations in fcc metals with a three-dimensional phase field dislocations dynamics model
We present simulations of the dissociation of perfect dislocations into extended partial
dislocations in aluminum, palladium, and nickel using a phase field dislocation dynamics …
dislocations in aluminum, palladium, and nickel using a phase field dislocation dynamics …
The core structure of dislocations and their relationship to the material γ-surface
Using a density functional theory-phase field dislocation dynamics model, we reveal a
strong inverse relationship between the dislocation equilibrium core width and the …
strong inverse relationship between the dislocation equilibrium core width and the …
Dependence of equilibrium stacking fault width in fcc metals on the γ-surface
A phase field dislocation dynamics model that can model widely extended dislocations is
presented. Through application of this model, we investigate the dependence of equilibrium …
presented. Through application of this model, we investigate the dependence of equilibrium …
Temperature dependent stacking fault free energy profiles and partial dislocation separation in FCC Cu
The generalized stacking fault energy profile is fundamental to models of metal plasticity and
thus a key parameter for alloy design. However, to account for thermal vibrations, models …
thus a key parameter for alloy design. However, to account for thermal vibrations, models …
Exploring the limit of dislocation based plasticity in nanostructured metals
DA Hughes, N Hansen - Physical review letters, 2014 - APS
A twofold decrease to an unexplored scale of 5 nm was produced in Cu by applying a large
sliding load in liquid nitrogen. Statistical and universal scaling analyses of deformation …
sliding load in liquid nitrogen. Statistical and universal scaling analyses of deformation …
Atomistic simulations of the interactions of hydrogen with dislocations in fcc metals
The interactions of hydrogen with both edge and screw dislocations in face-centered-cubic
(fcc) metals are investigated using molecular statics simulations of nickel-hydrogen as a …
(fcc) metals are investigated using molecular statics simulations of nickel-hydrogen as a …
Comparison of thermal properties predicted by interatomic potential models
We report melting points and other thermal properties of several semiconducting and
metallic elements as they are modeled by different empirical interatomic potential models …
metallic elements as they are modeled by different empirical interatomic potential models …
Modelling dislocations in a free-standing thin film
We present a set of efficient numerical algorithms to accurately compute the forces on
dislocations in free-standing thin films. We first present a spectral method for computing the …
dislocations in free-standing thin films. We first present a spectral method for computing the …