Specimen-and grain-size dependence of compression deformation behavior in nanocrystalline copper
NL Okamoto, D Kashioka, T Hirato, H Inui - International Journal of …, 2014 - Elsevier
The compression deformation behavior of electrodeposited nanocrystalline copper pillars
with average grain sizes (d) of 360, 100, and 34 nm has been investigated as a function of …
with average grain sizes (d) of 360, 100, and 34 nm has been investigated as a function of …
Discrete dislocation dynamics simulations of plasticity at small scales
Discrete dislocation dynamics simulations in three dimensions have been used to examine
the role of dislocation multiplication and mobility on the plasticity in small samples under …
the role of dislocation multiplication and mobility on the plasticity in small samples under …
Controlling dislocation nucleation-mediated plasticity in nanostructures via surface modification
A straightforward strategy for reaching the ultimate strength of crystalline metals is to
synthesize materials with a scarcity of defects. Bottom-up synthesis of nanostructures is an …
synthesize materials with a scarcity of defects. Bottom-up synthesis of nanostructures is an …
Measuring surface dislocation nucleation in defect-scarce nanostructures
Linear defects in crystalline materials, known as dislocations, are central to the
understanding of plastic deformation and mechanical strength, as well as control of …
understanding of plastic deformation and mechanical strength, as well as control of …
Discrete dislocation simulations of the plasticity of micro-pillars under uniaxial loading
J Senger, D Weygand, P Gumbsch, O Kraft - Scripta Materialia, 2008 - Elsevier
Recent experiments have shown an unexpected strong size effect in uniaxial compression
tests of metallic micro-pillars, such as the flow stress increases with decreasing pillar …
tests of metallic micro-pillars, such as the flow stress increases with decreasing pillar …
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 …
Differences in deformation behavior of bicrystalline Cu micropillars containing a twin boundary or a large-angle grain boundary
Micrometer-sized compression pillars containing a grain boundary are investigated to better
understand under which conditions grain boundaries have a strengthening effect. The …
understand under which conditions grain boundaries have a strengthening effect. The …
Quantifying the influence of twin boundaries on the deformation of nanocrystalline copper using atomistic simulations
Over the past decade, numerous efforts have sought to understand the influence of twin
boundaries on the behavior of polycrystalline materials. Early results suggested that twin …
boundaries on the behavior of polycrystalline materials. Early results suggested that twin …
Atomistic simulations and continuum modeling of dislocation nucleation and strength in gold nanowires
CR Weinberger, AT Jennings, K Kang… - Journal of the Mechanics …, 2012 - Elsevier
The strength of true metallic nanowires and nanopillars (diameters below 100nm) is known
to be higher than the strength of bulk metals and is most likely controlled by dislocation …
to be higher than the strength of bulk metals and is most likely controlled by dislocation …
Intrinsic and extrinsic size effects on deformation in nanolayered Cu/Zr micropillars: From bulk-like to small-volume materials behavior
By using microcompression methodology, deformation of nanolayered Cu/Zr micropillars
was systematically investigated within wide ranges of intrinsic layer thickness (5–100nm) …
was systematically investigated within wide ranges of intrinsic layer thickness (5–100nm) …