Models of dislocation glide and strengthening mechanisms in bcc complex concentrated alloys
The mechanical response of complex concentrated alloys (CCAs) deviates from that of their
pure and dilute counterparts due to the introduction of a combinatorially sized chemical …
pure and dilute counterparts due to the introduction of a combinatorially sized chemical …
A phenomenological dislocation mobility law for bcc metals
Dislocation motion in body centered cubic (bcc) metals displays a number of specific
features that result in a strong temperature dependence of the flow stress, and in shear …
features that result in a strong temperature dependence of the flow stress, and in shear …
Unraveling the temperature dependence of the yield strength in single-crystal tungsten using atomistically-informed crystal plasticity calculations
We use a physically-based crystal plasticity model to predict the yield strength of body-
centered cubic (bcc) tungsten single crystals subjected to uniaxial loading. Our model …
centered cubic (bcc) tungsten single crystals subjected to uniaxial loading. Our model …
Complex dislocation loop networks as natural extensions of the sink efficiency of saturated grain boundaries in irradiated metals
The development of radiation-tolerant structural materials is an essential element for the
success of advanced nuclear energy concepts. A proven strategy to increase radiation …
success of advanced nuclear energy concepts. A proven strategy to increase radiation …
[HTML][HTML] Cross-kinks control screw dislocation strength in equiatomic bcc refractory alloys
Refractory multi-element alloys (RMEA) with body-centered cubic (bcc) structure have been
the object of much research over the last decade due to their high potential as candidate …
the object of much research over the last decade due to their high potential as candidate …
[HTML][HTML] Discrete dislocation plasticity HELPs understand hydrogen effects in bcc materials
In an attempt to bridge the gap between atomistic and continuum plasticity simulations of
hydrogen in iron, we present three dimensional discrete dislocation plasticity simulations …
hydrogen in iron, we present three dimensional discrete dislocation plasticity simulations …
A coupled dislocation dynamics-continuum barrier field model with application to irradiated materials
A new computational methodology for 3-dimensional (3D) Discrete Dislocation Dynamics
(DDD) in barrier-strengthened materials is developed. We couple the discrete 3D DDD …
(DDD) in barrier-strengthened materials is developed. We couple the discrete 3D DDD …
Path dependency of plastic deformation in crystals: work hardening, crystallographic rotation and dislocation structure evolution
ZW Zhang, Z Li, Y Liu, JT Wang - Crystals, 2022 - mdpi.com
This paper reviewed the research progress of studies on the crystal rotation of single crystals
that were deformed by tension and shear and the influences of crystal rotation and …
that were deformed by tension and shear and the influences of crystal rotation and …
Investigation of slip system activity in iron at room temperature by SEM and AFM in-situ tensile and compression tests of iron single crystals
P Franciosi, LT Le, G Monnet, C Kahloun… - International Journal of …, 2015 - Elsevier
Iron single crystals of wide range of orientations are tested in-situ at room temperature in
tension and compression using a Scanning Electron Microscope (SEM) and in tension using …
tension and compression using a Scanning Electron Microscope (SEM) and in tension using …
Thermally-activated non-Schmid glide of screw dislocations in W using atomistically-informed kinetic Monte Carlo simulations
Abstract Thermally-activated 1/2< 111> screw dislocation motion is the controlling plastic
mechanism at low temperatures in body-centered cubic (bcc) crystals. Dislocation motion …
mechanism at low temperatures in body-centered cubic (bcc) crystals. Dislocation motion …