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 …

Origin and evolution of a crack in silicon induced by a single grain grinding

Z Zhang, X Wang, F Meng, D Liu, S Huang, J Cui… - Journal of Manufacturing …, 2022 - Elsevier
A brittle material fails under fracture due to the initiation and propagation of a crack. A high
performance device will suffer catastrophic failure under brittle fracture. Nevertheless, the …

Effects of indenter angle on micro‐scale fracture toughness measurement by pillar splitting

M Ghidelli, M Sebastiani, KE Johanns… - Journal of the …, 2017 - Wiley Online Library
We present improvements to a recently developed pillar splitting technique that can be used
to characterize the fracture toughness of materials at the micrometer scale. Micro‐pillars with …

[HTML][HTML] Fracture properties of thin film TiN at elevated temperatures

J Buchinger, L Löfler, J Ast, A Wagner, Z Chen… - Materials & …, 2020 - Elsevier
We provide an experimental and theoretical description of the high temperature fracture
behaviour of TiN thin films. For this, we employ molecular dynamics and density functional …

Nanostructured NbMoTaW high entropy alloy thin films: High strength and enhanced fracture toughness

Y **ao, Y Zou, H Ma, AS Sologubenko, X Maeder… - Scripta Materialia, 2019 - Elsevier
Nanocrystalline NbMoTaW high entropy alloys (HEAs) have attracted significant attention
due to their superior mechanical properties at elevated temperatures. However, the fracture …

Fracture of Silicon: Influence of rate, positioning accuracy, FIB machining, and elevated temperatures on toughness measured by pillar indentation splitting

CM Lauener, L Petho, M Chen, Y **ao, J Michler… - Materials & Design, 2018 - Elsevier
The pillar indentation splitting test is a novel technique for assessing the fracture behavior of
materials using micro-scale pillar samples. One typical limitation of this technique is the …

Nanoindentation behavior of high entropy alloys with transformation-induced plasticity

S Sinha, RA Mirshams, T Wang, SS Nene, M Frank… - Scientific Reports, 2019 - nature.com
Nanoindentation of three metastable dual-phase high entropy alloys (HEAs) was performed
to obtain their inherent elastoplastic deformation responses. Excellent combination of …

The brittle-ductile transition of tungsten single crystals at the micro-scale

J Ast, JJ Schwiedrzik, J Wehrs, D Frey, MN Polyakov… - Materials & Design, 2018 - Elsevier
The loading rate effect on the brittle-ductile transition temperatures of tungsten single
crystals at the micro-scale was investigated by microcantilevers with a (100)[001] crack …

Small-scale mechanical testing

V Jayaram - Annual Review of Materials Research, 2022 - annualreviews.org
This article reviews recent developments in small-scale mechanical property testing with
some emphasis on intermediate (meso) length scales in complex microstructures and …