Avalanches and plastic flow in crystal plasticity: an overview
Crystal plasticity is mediated through dislocations, which form knotted configurations in a
complex energy landscape. Once they disentangle and move, they may also be impeded by …
complex energy landscape. Once they disentangle and move, they may also be impeded by …
Stretchable, transparent electrodes as wearable heaters using nanotrough networks of metallic glasses with superior mechanical properties and thermal stability
Mechanical robustness, electrical and chemical reliabilities of devices against large
deformations such as bending and stretching have become the key metrics for rapidly …
deformations such as bending and stretching have become the key metrics for rapidly …
A micropillar compression investigation into the plastic flow properties of additively manufactured alloys
Solidification cells and a high density of dislocations are two common features of additively
manufactured (AM) alloys that are processed using techniques such as laser powder bed …
manufactured (AM) alloys that are processed using techniques such as laser powder bed …
Size effects on elasticity, yielding, and fracture of silver nanowires: In situ experiments
This paper reports the quantitative measurement of a full spectrum of mechanical properties
of fivefold twinned silver (Ag) nanowires (NWs), including Young's modulus, yield strength …
of fivefold twinned silver (Ag) nanowires (NWs), including Young's modulus, yield strength …
In situ nanocompression testing of irradiated copper
Increasing demand for energy and reduction of carbon dioxide emissions has revived
interest in nuclear energy. Designing materials for radiation environments necessitates a …
interest in nuclear energy. Designing materials for radiation environments necessitates a …
Size effects on the mechanical properties of nanocrystalline NbMoTaW refractory high entropy alloy thin films
The newly-surged high-entropy alloys (HEAs), in particular the refractory HEAs, manifest
excellent properties for practice applications. In this work, we systematically investigated the …
excellent properties for practice applications. In this work, we systematically investigated the …
Source truncation and exhaustion: insights from quantitative in situ TEM tensile testing
A unique method for quantitative in situ nanotensile testing in a transmission electron
microscope employing focused ion beam fabricated specimens was developed …
microscope employing focused ion beam fabricated specimens was developed …
Dislocation-dominated void nucleation in shock-spalled single crystal copper: mechanism and anisotropy
C Li, K Yang, YH Gao, L Wang - International Journal of Plasticity, 2022 - Elsevier
Large-scale molecular dynamics simulations are conducted on single crystal copper along
eight representative orientations to investigate dislocation-dominated void nucleation during …
eight representative orientations to investigate dislocation-dominated void nucleation during …
Emergence of strain-rate sensitivity in Cu nanopillars: Transition from dislocation multiplication to dislocation nucleation
We demonstrate strain-rate sensitivity emerging in single-crystalline Cu nanopillars with
diameters ranging from 75 up to 500nm through uniaxial deformation experiments …
diameters ranging from 75 up to 500nm through uniaxial deformation experiments …