Plasticity in small-sized metallic systems: Intrinsic versus extrinsic size effect

JR Greer, JTM De Hosson - Progress in Materials Science, 2011 - Elsevier
A material strength depends on its microstructure, which in turn, is controlled by an
engineering process. Strengthening mechanisms like work hardening, precipitate, and grain …

Plasticity of micrometer-scale single crystals in compression

MD Uchic, PA Shade, DM Dimiduk - Annual Review of Materials …, 2009 - annualreviews.org
This review examines the recent literature that has focused on uniaxial compression
experiments of single crystals at the micrometer scale. Collectively, the studies discovered …

[HTML][HTML] Unravelling the physics of size-dependent dislocation-mediated plasticity

JA El-Awady - Nature communications, 2015 - nature.com
Size-affected dislocation-mediated plasticity is important in a wide range of materials and
technologies. Here we develop a generalized size-dependent dislocation-based model that …

Plasticity in confined dimensions

O Kraft, PA Gruber, R Mönig… - Annual review of …, 2010 - annualreviews.org
This review examines the size effects observed in the mechanical strength of thin metal films
and small samples such as single-crystalline pillars, whiskers, and wires. Experimental …

[图书][B] Dislocations, mesoscale simulations and plastic flow

L Kubin - 2013 - books.google.com
In the past twenty years, new experimental approaches, improved models and progress in
simulation techniques have brought new insights into longstanding issues concerning …

Microstructurally based cross-slip mechanisms and their effects on dislocation microstructure evolution in fcc crystals

AM Hussein, SI Rao, MD Uchic, DM Dimiduk… - Acta Materialia, 2015 - Elsevier
Three newly identified cross-slip mechanisms from atomistic simulations of fcc crystals,
namely surface, bulk and intersection cross-slip types, were hierarchically informed into …

Source truncation and exhaustion: insights from quantitative in situ TEM tensile testing

D Kiener, AM Minor - Nano letters, 2011 - ACS Publications
A unique method for quantitative in situ nanotensile testing in a transmission electron
microscope employing focused ion beam fabricated specimens was developed …

Microstructure versus size: mechanical properties of electroplated single crystalline Cu nanopillars

AT Jennings, MJ Burek, JR Greer - Physical review letters, 2010 - APS
We report results of uniaxial compression experiments on single-crystalline Cu nanopillars
with nonzero initial dislocation densities produced without focused ion beam (FIB) …

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

NK Aragon, JD Gravell, I Ryu - 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 …

Mechanical properties and deformation behaviours of submicron-sized Cu–Al single crystals

R Niu, X An, L Li, Z Zhang, YW Mai, X Liao - Acta Materialia, 2022 - Elsevier
Tuning stacking fault energy (SFE) via alloying provides a robust protocol to manipulate
deformation mechanism and consequently the mechanical properties of metallic materials …