An atomistic-to-microscale computational analysis of the dislocation pileup-induced local stresses near an interface in plastically deformed two-phase materials
Taking the two-phase material as a model system, here we perform atomistic-to-microscale
computational analysis on how the dislocations pileup is formed at a buried interface …
computational analysis on how the dislocations pileup is formed at a buried interface …
Atomistically-informed hardening and kinetics models of helium bubble in irradiated tungsten
C Ji, J Hu, Z Zhuang, Y Cui - International Journal of Plasticity, 2023 - Elsevier
In fusion reactor environment, helium bubble acts as a crucial inducement to the
performance degradation of plasma facing tungsten, leading to irradiation hardening and …
performance degradation of plasma facing tungsten, leading to irradiation hardening and …
Amorphization induced by 60 shuffle dislocation pileup against different grain boundaries in silicon bicrystal under shear
Molecular dynamics (MD) simulations of the amorphous band nucleation and growth ahead
of the tip of a shuffle 60 o dislocation pileup at different grain boundaries (GBs) in diamond …
of the tip of a shuffle 60 o dislocation pileup at different grain boundaries (GBs) in diamond …
Concurrent atomistic-continuum modeling of crystalline materials
Y Chen, S Shabanov, DL McDowell - Journal of Applied Physics, 2019 - pubs.aip.org
In this work, we present a concurrent atomistic-continuum (CAC) method for modeling and
simulation of crystalline materials. The CAC formulation extends the Irving-Kirkwood …
simulation of crystalline materials. The CAC formulation extends the Irving-Kirkwood …
Ligand-induced incompatible curvatures control ultrathin nanoplatelet polymorphism and chirality
The ability of thin materials to shape-shift is a common occurrence that leads to dynamic
pattern formation and function in natural and man-made structures. However, harnessing …
pattern formation and function in natural and man-made structures. However, harnessing …
Multiscale computational and experimental analysis of slip-GB reactions: in situ high-resolution electron backscattered diffraction and concurrent atomistic-continuum …
In this paper, in situ high-resolution electron backscattered diffraction (EBSD) is combined
with concurrent atomistic-continuum (CAC) simulations to study the interactions between …
with concurrent atomistic-continuum (CAC) simulations to study the interactions between …
A comparison of different continuum approaches in modeling mixed-type dislocations in Al
Mixed-type dislocations are prevalent in metals and play an important role in their plastic
deformation. Key characteristics of mixed-type dislocations cannot simply be extrapolated …
deformation. Key characteristics of mixed-type dislocations cannot simply be extrapolated …
Quantifying the dynamics of dislocation kinks in iron and tungsten through atomistic simulations
When high-Peierls-barrier materials such as iron (Fe) and tungsten (W) are deformed,
dislocation kinks can be easily activated. The subsequent kink dynamics may dictate the …
dislocation kinks can be easily activated. The subsequent kink dynamics may dictate the …
A discrete–continuous model of three-dimensional dislocation elastodynamics
Unraveling the deformation mechanism of materials under extremely high strain rate is
critical from both scientific and engineering viewpoints. The elastodynamic effect of 3D high …
critical from both scientific and engineering viewpoints. The elastodynamic effect of 3D high …
Metallic glass instability induced by the continuous dislocation absorption at an amorphous/crystalline interface
An amorphous/crystalline metallic composite (A/C-MC) integrates metallic glass with
crystalline metals in one system. The amorphous-crystalline interface (ACI) in A/C-MCs …
crystalline metals in one system. The amorphous-crystalline interface (ACI) in A/C-MCs …