High-entropy alloys: a review of mechanical properties and deformation mechanisms at cryogenic temperatures

X Gao, R Chen, T Liu, H Fang, G Qin, Y Su… - Journal of Materials …, 2022 - Springer
High-entropy alloys (HEAs) are multi-component alloys with a novel designed concept.
These HEAs exhibit unique composition design and structural characteristics leading to …

Hierarchically activated deformation mechanisms to form ultra-fine grain microstructure in carbon containing FeMnCoCr twinning induced plasticity high entropy alloy

MS Rizi, H Minouei, BJ Lee, H Pouraliakbar… - Materials Science and …, 2021 - Elsevier
Nanotructural evolution and grain refinement leading to heterogeneous bimodal structure
were investigated during thermomechanical processing in carbon-containing FeMnCoCr …

Shock-induced deformation and spallation in CoCrFeMnNi high-entropy alloys at high strain-rates

W Li, S Chen, Z Aitken, YW Zhang - International Journal of Plasticity, 2023 - Elsevier
Shock-induced deformation and fracture in single-crystalline and nanocrystalline
CoCrFeMnNi high-entropy alloys (HEAs) under different shock intensities are investigated …

Effect of grain size on the deformation mechanism and fracture behavior of a non-equiatomic CoCrNi alloy with low stacking fault energy

SY Peng, YZ Tian, ZY Ni, S Lu, S Li - International Journal of Plasticity, 2024 - Elsevier
Manipulation of stacking fault energy (SFE) plays a significant role in microstructure control
and in turn mechanical properties of advanced alloys. In this work, we present the influence …

Synergistic effects of grain sizes on the corrosion behavior and mechanical properties in a metastable high-entropy alloy

K Lu, Z Lei, S Deng, J Li, T Feng, Z Luo, X Ma - Corrosion Science, 2023 - Elsevier
Synergistic effects of grain sizes on corrosion behavior and mechanical properties of
metastable high-entropy alloys (HEAs) were studied. The results exhibit that the corrosion …

Hierarchical structured as-cast CrFeNiMn0. 5Cu0. 5 high entropy alloy with excellent tensile strength/ductility properties

SH Shim, H Pouraliakbar, SI Hong - Scripta Materialia, 2022 - Elsevier
Hierarchical structure with microscale granular phase separation and nanoscale
intragranular precipitation developed during casting and cooling in CrFeNiMn 0.5 Cu 0.5 …

Effect of Si on the evolution of plasticity mechanisms, grain refinement and hardness during high-pressure torsion of a non-equiatomic CoCrMnNi multi-principal …

K Kishore, AK Chandan, PT Hung, S Kumar… - International Journal of …, 2023 - Elsevier
The present study unraveled the defining role of small silicon (Si) addition (5 atomic%) in
dramatically altering the plasticity mechanisms, grain refinement and hardening response of …

Temperature-dependent universal dislocation structures and transition of plasticity enhancing mechanisms of the Fe40Mn40Co10Cr10 high entropy alloy

JK Kim, JH Kim, H Park, JS Kim, G Yang, R Kim… - International Journal of …, 2022 - Elsevier
Abstract The FCC Fe 40 Mn 40 Co 10 Cr 10 (at.%) high entropy alloy exhibits deformation
twinning for room temperature deformation and deformation-induced HCP transformation for …

Microstructure and tensile properties of metastable Fe50Mn30Co10Cr10 high-entropy alloy prepared via powder metallurgy

L Chen, Z Li, P Dai, P Fu, Q Tang, J Chen - Journal of Alloys and …, 2023 - Elsevier
With the characterization of microstructure and tensile properties, the feasibility of preparing
Fe 50 Mn 30 Co 10 Cr 10 high-entropy alloys (HEAs) via powder metallurgy was explored …

Crack-resistant σ/FCC interfaces in the Fe40Mn40Co10Cr10 high entropy alloy with the dispersed σ-phase

D You, G Yang, YH Choa, JK Kim - Materials Science and Engineering: A, 2022 - Elsevier
We report the role of morphology and size of the σ-phase on mechanical properties of the Fe
40 Mn 40 Co 10 Cr 10 non-equiatomic high entropy alloy. The dispersed and fine σ …