A molecular dynamics study on the orientation, size, and dislocation confinement effects on the plastic deformation of Al nanopillars
S Xu, YF Guo, AHW Ngan - International Journal of Plasticity, 2013 - Elsevier
Molecular dynamics are employed to simulate the compression process of Al nanopillars
with different orientations. The simulations show that the initial dislocations always nucleate …
with different orientations. The simulations show that the initial dislocations always nucleate …
Mechanical response of freestanding Au nanopillars under compression
We employ molecular dynamics simulations of defect-free nanopillars with realistic
cylindrical geometries to obtain an atomic-level picture of their deformation behavior under …
cylindrical geometries to obtain an atomic-level picture of their deformation behavior under …
Continuum modeling of dislocation starvation and subsequent nucleation in nano-pillar compressions
The mechanical behavior of single crystalline aluminum nano-pillars under uniaxial
compression differs from bulk Al in that the former is characterized by a smoother transition …
compression differs from bulk Al in that the former is characterized by a smoother transition …
Molecular dynamics study of plasticity in Al-Cu alloy nanopillar due to compressive loading
S Mojumder - Physica B: Condensed Matter, 2018 - Elsevier
In this paper, compressive loading effects on the plasticity of Al-Cu alloy varying the crystal
orientation of Al and alloying element (Cu) percentage are investigated using molecular …
orientation of Al and alloying element (Cu) percentage are investigated using molecular …
Surface-controlled dislocation multiplication in metal micropillars
CR Weinberger, W Cai - Proceedings of the National …, 2008 - National Acad Sciences
Understanding the plasticity and strength of crystalline materials in terms of the dynamics of
microscopic defects has been a goal of materials research in the last 70 years. The size …
microscopic defects has been a goal of materials research in the last 70 years. The size …
Effect of a high angle grain boundary on deformation behavior of Al nanopillars
The effect of inclusion of a grain boundary in nanopillar was studied using Al bicrystal with [3
4 3]/[13 17‾ 14] orientation. Ex situ compression results showed higher strengths in bicrystal …
4 3]/[13 17‾ 14] orientation. Ex situ compression results showed higher strengths in bicrystal …
Atomistic simulation of the deformation of gold nanopillars
E Rabkin, HS Nam, DJ Srolovitz - Acta materialia, 2007 - Elsevier
We perform a series of molecular dynamics simulations of the uniaxial compression of
cylindrical gold nanopillars. Yield occurs via Shockley partial dislocation nucleation at the …
cylindrical gold nanopillars. Yield occurs via Shockley partial dislocation nucleation at the …
Anisotropic size-dependent plasticity in face-centered cubic micropillars under torsion
Three-dimensional dislocation dynamics (DD) simulations are performed to investigate the
size-dependent plasticity in submicron face-centered cubic (FCC) micropillars under torsion …
size-dependent plasticity in submicron face-centered cubic (FCC) micropillars under torsion …
Stochastic behaviors in plastic deformation of face-centered cubic micropillars governed by surface nucleation and truncated source operation
Three dimensional dislocation dynamics (DD) simulations are performed to investigate the
governing mechanism of size dependent plastic deformation in submicron face-centered …
governing mechanism of size dependent plastic deformation in submicron face-centered …
Influence of surface atomic structure on the mechanical response of aluminum nanospheres under compression
SBH Salah, C Gerard, L Pizzagalli - Computational Materials Science, 2017 - Elsevier
Molecular Dynamic simulations have been performed to study the mechanical behavior of<
1 0 0> oriented aluminum nanospheres under compression, and the influence of size on …
1 0 0> oriented aluminum nanospheres under compression, and the influence of size on …