Dislocation interactions at the grain boundary in FCC bicrystals: An atomistically-informed dislocation dynamics study

NK Aragon, JD Gravell - Acta Materialia, 2022 - Elsevier
To understand the underlying mechanisms that control the mechanical properties of
nanostructured metals, an insight into the role of the grain boundary in dislocation-driven …

Influence of orientation on the size effect in bcc pillars with different critical temperatures

AS Schneider, CP Frick, BG Clark, PA Gruber… - Materials Science and …, 2011 - Elsevier
The size effect in body-centered cubic metals is comprehensively investigated through
micro/nano-compression tests performed on focused ion beam machined tungsten (W) …

Multiscale simulation of onset plasticity during nanoindentation of Al (0 0 1) surface

J Jin, SA Shevlin, ZX Guo - Acta Materialia, 2008 - Elsevier
The onset of plasticity in crystalline materials is important to the fundamental understanding
of plastic deformation and the development of precision devices. Dislocation nucleation and …

Yield strength in nanocrystalline Cu during high strain rate deformation

NQ Vo, RS Averback, P Bellon, A Caro - Scripta Materialia, 2009 - Elsevier
Molecular dynamics simulations are used to study the yield strength of thermally annealed
nanocrystalline Cu samples. For strain rates of 1× 1010 and 1× 109s− 1, the observed yield …

Atomic scale simulations of ductile failure micromechanisms in nanocrystalline Cu at high strain rates

AM Dongare, AM Rajendran, B LaMattina, MA Zikry… - Physical Review B …, 2009 - APS
The micromechanisms related to ductile failure during dynamic loading of nanocrystalline
Cu are investigated in a series of large-scale molecular-dynamics (MD) simulations. Void …

Nanoscale gold pillars strengthened through dislocation starvation

JR Greer, WD Nix - Physical Review B—Condensed Matter and Materials …, 2006 - APS
It has been known for more than half a century that crystals can be made stronger by
introducing defects into them, ie, by strain-hardening. As the number of defects increases …

[PDF][PDF] Ultrahigh strain hardening in thin palladium films with nanoscale twins

H Idrissi, B Wang, MS Colla, JP Raskin… - Advanced …, 2011 - academia.edu
The small ductility of nanocrystalline metals limits their use in a variety of applications, which
therefore do not benefit from their ultrahigh strength potential.[1, 2] Most thin metallic films …

Length scale-dependent deformation behavior of nanolayered Cu/Zr micropillars

JY Zhang, S Lei, Y Liu, JJ Niu, Y Chen, G Liu, X Zhang… - Acta Materialia, 2012 - Elsevier
The mechanical behavior of incoherent Cu/Zr multilayers was studied in uniaxial
compression experiments using micropillars with individual layer thicknesses (h) ranging …

A universal scaling law for the strength of metal micropillars and nanowires

R Dou, B Derby - Scripta Materialia, 2009 - Elsevier
The yield strength of sub-micron single-crystal metal pillars and wires increases with
decreasing pillar diameter. Here, we show that the yield stress (resolved onto a slip system) …

Deformation behavior of silver submicrometer-pillars prepared by nanoimprinting

S Buzzi, M Dietiker, K Kunze, R Spolenak… - Philosophical …, 2009 - Taylor & Francis
Scaling in material properties is of great importance in microsystems and microelectronics
where the device dimensions continuously shrink. Recently, compression tests of micron …