Classical molecular dynamics simulations of the deformation of metals under uniaxial monotonic loading: A review
Nanoscale features present in structural and functional materials affect their macroscopic
properties and hence have been extensively studied. As experimental investigations of …
properties and hence have been extensively studied. As experimental investigations of …
Void initiation in fcc metals: Effect of loading orientation and nanocrystalline effects
It is shown, through molecular dynamics simulations, that the emission and outward
expansion of special dislocation loops, nucleated at the surface of nanosized voids, are …
expansion of special dislocation loops, nucleated at the surface of nanosized voids, are …
Do voids nucleate at grain boundaries during ductile rupture?
In the absence of pre-existing failure-critical defects, the fracture or tearing process in
deformable metals loaded in tension begins with the nucleation of internal cavities or voids …
deformable metals loaded in tension begins with the nucleation of internal cavities or voids …
Amorphous intergranular films as toughening structural features
The ability of amorphous intergranular films to mitigate damage formation at grain
boundaries is studied with molecular dynamics simulations. We find that such films can alter …
boundaries is studied with molecular dynamics simulations. We find that such films can alter …
EBSD study of micromechanisms involved in high deformation ability of DP steels
N Saeidi, F Ashrafizadeh, B Niroumand, F Barlat - Materials & Design, 2015 - Elsevier
Notched and un-notched tensile specimens of fine grained commercial DP780 steel were
deformed in uniaxial tension until fracture. Micro-texture analysis was performed by using an …
deformed in uniaxial tension until fracture. Micro-texture analysis was performed by using an …
[HTML][HTML] Dislocation evolution and peak spall strengths in single crystal and nanocrystalline Cu
K Mackenchery, RR Valisetty, RR Namburu… - Journal of Applied …, 2016 - pubs.aip.org
The dynamic evolution and interaction of defects under the conditions of shock loading in
single crystal and nanocrystalline Cu are investigated using a series of large-scale …
single crystal and nanocrystalline Cu are investigated using a series of large-scale …
Inverse Hall–Petch relationship in nanocrystalline tantalum
Tantalum polycrystals (grain sizes varying from 2.5 to 30 nm) generated by Voronoi
tessellation were subjected to tension and compression under uniaxial strain loading at …
tessellation were subjected to tension and compression under uniaxial strain loading at …
[HTML][HTML] Understanding and predicting damage and failure at grain boundaries in BCC Ta
J Chen, EN Hahn, AM Dongare… - Journal of Applied Physics, 2019 - pubs.aip.org
Understanding the effect of grain boundaries (GBs) on the deformation and spall behavior is
critical to designing materials with tailored failure responses under dynamic loading. This …
critical to designing materials with tailored failure responses under dynamic loading. This …
Strain rate sensitivity of nanocrystalline Au films at room temperature
The effect of strain rate on the inelastic properties of nanocrystalline Au films was quantified
with 0.85 and 1.76 μm free-standing microscale tension specimens tested over eight …
with 0.85 and 1.76 μm free-standing microscale tension specimens tested over eight …
Overcoming strength–ductility trade-off of nanocrystalline metals by engineering grain boundary, texture, and gradient microstructure
The strength–ductility trade-off has been a long-standing dilemma for polycrystalline metals.
Though many strategies such as introduction of gradient and twinned microstructure have …
Though many strategies such as introduction of gradient and twinned microstructure have …