Overview on micro-and nanomechanical testing: New insights in interface plasticity and fracture at small length scales

G Dehm, BN Jaya, R Raghavan, C Kirchlechner - Acta Materialia, 2018 - Elsevier
Micro-and nanomechanical testing has seen a rapid development over the last decade with
miniaturized test rigs and MEMS-based devices providing access to the mechanical …

[HTML][HTML] A review of experimental approaches to fracture toughness evaluation at the micro-scale

J Ast, M Ghidelli, K Durst, M Göken, M Sebastiani… - Materials & Design, 2019 - Elsevier
The discipline of fracture mechanics was born almost a century ago through the pioneering
work of AA Griffith, and saw particularly rapid growth in the second half of 20th century when …

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 …

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 …

Size effect on strength and strain hardening of small-scale [1 1 1] nickel compression pillars

CP Frick, BG Clark, S Orso, AS Schneider… - Materials Science and …, 2008 - Elsevier
This study investigates uniaxial compression behavior of focused ion beam (FIB)
manufactured [111] nickel (Ni) small-scale pillars, ranging in diameter from approximately …

Dislocation structures and their relationship to strength in deformed nickel microcrystals

DM Norfleet, DM Dimiduk, SJ Polasik, MD Uchic… - Acta Materialia, 2008 - Elsevier
The present work uses focused ion beam methods to prepare samples for transmission
electron microscopy in order to quantitatively characterize changes in the dislocation …

Emergence of strain-rate sensitivity in Cu nanopillars: Transition from dislocation multiplication to dislocation nucleation

AT Jennings, J Li, JR Greer - Acta Materialia, 2011 - Elsevier
We demonstrate strain-rate sensitivity emerging in single-crystalline Cu nanopillars with
diameters ranging from 75 up to 500nm through uniaxial deformation experiments …

Effects of focused ion beam milling on the compressive behavior of directionally solidified micropillars and the nanoindentation response of an electropolished surface

S Shim, H Bei, MK Miller, GM Pharr, EP George - Acta Materialia, 2009 - Elsevier
Focused ion beam (FIB) milling is the typical method used to fabricate micropillars to study
small-scale plasticity and size effects in uniaxial compression. However, FIB milling can …

Discrete dislocation dynamics simulations of plasticity at small scales

C Zhou, SB Biner, R LeSar - Acta Materialia, 2010 - Elsevier
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 …

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) …