[HTML][HTML] Size effect in bi-crystalline micropillars with a penetrable high angle grain boundary
NV Malyar, JS Micha, G Dehm, C Kirchlechner - Acta Materialia, 2017 - Elsevier
The implications of various size effects on the deformation behavior of and near grain
boundaries is not yet fully understood. In this manuscript, slip transfer mechanisms through a …
boundaries is not yet fully understood. In this manuscript, slip transfer mechanisms through a …
Predictive modeling of nanoindentation-induced homogeneous dislocation nucleation in copper
Nanoscale contact of material surfaces provides an opportunity to explore and better
understand the elastic limit and incipient plasticity in crystals. Homogeneous nucleation of a …
understand the elastic limit and incipient plasticity in crystals. Homogeneous nucleation of a …
Mechanical properties and deformation behaviours of submicron-sized Cu–Al single crystals
Tuning stacking fault energy (SFE) via alloying provides a robust protocol to manipulate
deformation mechanism and consequently the mechanical properties of metallic materials …
deformation mechanism and consequently the mechanical properties of metallic materials …
The impact of a variety of point defects on the inception of plastic deformation in dislocation-free metals
I Salehinia, DF Bahr - Scripta Materialia, 2012 - Elsevier
Atomistic simulations of nanoindentation tests were used to quantify the effect of point
defects (a single vacancy, a di-vacancy, a self interstitial atom and a stacking fault …
defects (a single vacancy, a di-vacancy, a self interstitial atom and a stacking fault …
Dislocation–dislocation and dislocation–twin reactions in nanocrystalline Al by molecular dynamics simulation
V Yamakov, D Wolf, SR Phillpot, H Gleiter - Acta materialia, 2003 - Elsevier
We use massively parallel molecular dynamics simulations of polycrystal plasticity to
elucidate the intricate dislocation dynamics that evolves during the process of deformation of …
elucidate the intricate dislocation dynamics that evolves during the process of deformation of …
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 …
Critical shear stress for onset of plasticity in a nanocrystalline Cu determined by using nanoindentation
J Chen, W Wang, LH Qian, K Lu - Scripta Materialia, 2003 - Elsevier
The plastic deformation behavior was investigated by using nanoindentation in a magneto-
sputtered nanocrystalline (nc) Cu film with an average grain size of 14 nm. The determined …
sputtered nanocrystalline (nc) Cu film with an average grain size of 14 nm. The determined …
Onset of plasticity in gold nanopillar compression
E Rabkin, DJ Srolovitz - Nano Letters, 2007 - ACS Publications
On the basis of a series of molecular dynamics simulations of the compressive deformation
of〈 111∟-oriented gold nanopillars, we demonstrate that slip nucleates at surface features …
of〈 111∟-oriented gold nanopillars, we demonstrate that slip nucleates at surface features …
Size effects in strength and plasticity of single-crystalline titanium micropillars with prismatic slip orientation
We present results of uniaxial compression experiments on rectangular prismatic titanium
micropillars loaded along [112¯ 0]. We find that flow stress increases significantly with …
micropillars loaded along [112¯ 0]. We find that flow stress increases significantly with …
[HTML][HTML] Discrete plasticity in sub-10-nm-sized gold crystals
Although deformation processes in submicron-sized metallic crystals are well documented,
the direct observation of deformation mechanisms in crystals with dimensions below the sub …
the direct observation of deformation mechanisms in crystals with dimensions below the sub …