Strength statistics of single crystals and metallic glasses under small stressed volumes
It has been well documented that plastic deformation of crystalline and amorphous
metals/alloys shows a general trend of “smaller is stronger”. The majority of the experimental …
metals/alloys shows a general trend of “smaller is stronger”. The majority of the experimental …
Generalized stacking fault energy, ideal strength and twinnability of dilute Mg-based alloys: A first-principles study of shear deformation
In an effort to establish a scientific foundation for the computational development of
advanced Mg-based alloys, a systematic study of the generalized stacking fault (GSF) …
advanced Mg-based alloys, a systematic study of the generalized stacking fault (GSF) …
Pop-in phenomenon as a fundamental plasticity probed by nanoindentation technique
T Ohmura, M Wakeda - Materials, 2021 - mdpi.com
The attractive strain burst phenomenon, so-called “pop-in”, during indentation-induced
deformation at a very small scale is discussed as a fundamental deformation behavior in …
deformation at a very small scale is discussed as a fundamental deformation behavior in …
[HTML][HTML] Understanding imprint formation, plastic instabilities and hardness evolutions in FCC, BCC and HCP metal surfaces
Nanoindentation experiments in metal surfaces are characterized by the onset of plastic
instabilities along with the development of permanent nanoimprints and dense defect …
instabilities along with the development of permanent nanoimprints and dense defect …
Investigation of grain size and geometrically necessary dislocation density dependence of flow stress in Mg-4Al by using nanoindentation
Abstract Models for grain size dependence of flow stress typically ignore contributions from
geometrically necessary dislocations (GNDs) in the grain boundary regions. Ashby had …
geometrically necessary dislocations (GNDs) in the grain boundary regions. Ashby had …
Effects of rare-earth element, Y, additions on the microstructure and mechanical properties of CoCrFeNi high entropy alloy
LJ Zhang, MD Zhang, Z Zhou, JT Fan, P Cui… - Materials Science and …, 2018 - Elsevier
The effects of rare-earth element, Y, additions on the microstructures and mechanical
properties of CoCrFeNi alloy have been investigated. The new series of CoCrFeNiY x (x= 0 …
properties of CoCrFeNi alloy have been investigated. The new series of CoCrFeNiY x (x= 0 …
Effect of Ti on microstructures and mechanical properties of high entropy alloys based on CoFeMnNi system
P Cui, Y Ma, L Zhang, M Zhang, J Fan, W Dong… - Materials Science and …, 2018 - Elsevier
In this study, the microstructures and mechanical properties of CoFeMnNiTi x (where the
molar ratio (x) is 0, 0.25, 0.5, and 0.75) high entropy alloys were examined. Both the …
molar ratio (x) is 0, 0.25, 0.5, and 0.75) high entropy alloys were examined. Both the …
Rate-dependent transition of dislocation mechanisms in a magnesium alloy
The limited slip systems of magnesium (Mg) and its alloys hamper their widespread
applications in key areas. Rational design of such lightweight alloys requires fundamental …
applications in key areas. Rational design of such lightweight alloys requires fundamental …
Nanoindentation behavior of high entropy alloys with transformation-induced plasticity
Nanoindentation of three metastable dual-phase high entropy alloys (HEAs) was performed
to obtain their inherent elastoplastic deformation responses. Excellent combination of …
to obtain their inherent elastoplastic deformation responses. Excellent combination of …
Nanoindentation size effect on stochastic behavior of incipient plasticity in a LiTaO3 single crystal
Y Ma, X Huang, W Hang, M Liu, Y Song, J Yuan… - Engineering Fracture …, 2020 - Elsevier
We investigated the characteristic of first pop-in event under spherical nanoindentation in
the typical orientation (0 1 1¯ 2), ie, Y-42° plane of a LiTaO 3 single crystal. Three spherical …
the typical orientation (0 1 1¯ 2), ie, Y-42° plane of a LiTaO 3 single crystal. Three spherical …