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 …

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 …

[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 …

Tensile and compressive behavior of tungsten, molybdenum, tantalum and niobium at the nanoscale

JY Kim, D Jang, JR Greer - Acta Materialia, 2010 - Elsevier
In situ nanomechanical tests are carried out to investigate the tensile and compressive
behavior of〈 001〉-oriented body-centered cubic (bcc) metals W, Mo, Ta and Nb with …

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) …

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 …

Protocols for the optimal design of multi‐functional cellular structures: from hypersonics to micro‐architected materials

L Valdevit, AJ Jacobsen, JR Greer… - Journal of the American …, 2011 - Wiley Online Library
Cellular materials with periodic architectures have been extensively investigated over the
past decade for their potential to provide multifunctional solutions for a variety of …

[HTML][HTML] Effect of ion irradiation introduced by focused ion-beam milling on the mechanical behaviour of sub-micron-sized samples

J Liu, R Niu, J Gu, M Cabral, M Song, X Liao - Scientific Reports, 2020 - nature.com
The development of xenon plasma focused ion-beam (Xe+ PFIB) milling technique enables
site-specific sample preparation with milling rates several times larger than the conventional …

Localized pulsed electrodeposition process for three-dimensional printing of nanotwinned metallic nanostructures

S Daryadel, A Behroozfar, SR Morsali, S Moreno… - Nano …, 2018 - ACS Publications
Nanotwinned-metals (nt-metals) offer superior mechanical (high ductility and strength) and
electrical (low electromigration) properties compared to their nanocrystalline (nc) …

Dislocations and plastic deformation in MgO crystals: a review

J Amodeo, S Merkel, C Tromas, P Carrez… - Crystals, 2018 - mdpi.com
This review paper focuses on dislocations and plastic deformation in magnesium oxide
crystals. MgO is an archetype ionic ceramic with refractory properties which is of interest in …