Quantitative evidence of crossover toward partial dislocation mediated plasticity in copper single crystalline nanowires
In situ tensile tests of Cu single crystalline nanowires in a high-resolution transmission
electron microscope reveal a novel effect of sample dimensions on plasticity mechanisms …
electron microscope reveal a novel effect of sample dimensions on plasticity mechanisms …
A new strain-rate-induced deformation mechanism of Cu nanowire: Transition from dislocation nucleation to phase transformation
The plastic deformation mechanism of Cu nanowires is studied using the molecular
dynamics simulation method by applying uniaxial tension along the [1 0 0] direction at a …
dynamics simulation method by applying uniaxial tension along the [1 0 0] direction at a …
Grain boundary effects on plastic deformation and fracture mechanisms in Cu nanowires: Molecular dynamics simulations
A Cao, Y Wei, E Ma - Physical Review B, 2008 - APS
Metallic nanowires have many attractive properties such as ultra-high yield strength and
large tensile elongation. However, recent experiments show that metallic nanowires often …
large tensile elongation. However, recent experiments show that metallic nanowires often …
Size and strain rate effects in tensile deformation of Cu nanowires
W Liang, M Zhou - 44th AIAA/ASME/ASCE/AHS/ASC Structures …, 2003 - arc.aiaa.org
ABSTRACT MD simulations with an embedded atom method (EAM) potential is used to
analyze the size and strain rate effects on the tensile deformation of Cu nanowires. The …
analyze the size and strain rate effects on the tensile deformation of Cu nanowires. The …
Size dependent deformation behaviour and dislocation mechanisms in〈 1 0 0〉 Cu nanowires
Molecular dynamics simulations have been performed to understand the size-dependent
tensile deformation behaviour of〈 1 0 0〉 Cu nanowires at 10 K. The influence of nanowire …
tensile deformation behaviour of〈 1 0 0〉 Cu nanowires at 10 K. The influence of nanowire …
Alternating starvation of dislocations during plastic yielding in metallic nanowires
A Cao, Y Wei, SX Mao - Scripta Materialia, 2008 - Elsevier
Using molecular dynamics simulations, we show that the mechanical deformation behaviors
of single-crystalline nickel nanowires are quite different from their bulk counterparts …
of single-crystalline nickel nanowires are quite different from their bulk counterparts …
Nanostructure and surface effects on yield in Cu nanowires
The yield strengths of nanomaterials are highly sensitive to their internal and surface
structures. However, it is difficult to identify a priori which structural feature will govern plastic …
structures. However, it is difficult to identify a priori which structural feature will govern plastic …
Emergence of strain-rate sensitivity in Cu nanopillars: Transition from dislocation multiplication to dislocation nucleation
We demonstrate strain-rate sensitivity emerging in single-crystalline Cu nanopillars with
diameters ranging from 75 up to 500nm through uniaxial deformation experiments …
diameters ranging from 75 up to 500nm through uniaxial deformation experiments …
Size‐dependent fracture mode transition in copper nanowires
In situ uni‐axial tensile tests of single‐crystalline copper nanowires are performed using a
micromechanical device inside a scanning electron microscope chamber. The single …
micromechanical device inside a scanning electron microscope chamber. The single …
Atomistic simulation of the rate-dependent ductile-to-brittle failure transition in bicrystalline metal nanowires
The mechanical properties and plastic deformation mechanisms of metal nanowires have
been studied intensely for many years. One of the important yet unresolved challenges in …
been studied intensely for many years. One of the important yet unresolved challenges in …