Latest progress on refractory high entropy alloys: Composition, fabrication, post processing, performance, simulation and prospect

B Chen, L Zhuo - International Journal of Refractory Metals and Hard …, 2023 - Elsevier
Breaking through the design concept of conventional high-temperature alloys, refractory
high entropy alloys (RHEAs) exhibited increasingly alloy systems and excellent …

Effects of Al/Si on the oxidation behavior of a TiZrV0. 5Nb0. 5 refractory high entropy alloy at 1000℃

X Pei, Y Du, H Wang, T Li, M Hu, H Wang, W Liu - Corrosion Science, 2023 - Elsevier
Abstract For the TiZrV 0.5 Nb 0.5 RHEA as a model material, different mechanisms of Al and
Si inhibiting its inherent catastrophic oxidation were systematically elucidated by analyzing …

Enhanced oxidation resistance of ultrafine-grain microstructure AlCoCrFeNi high entropy alloy

M Garg, HS Grewal, RK Sharma, HS Arora - ACS omega, 2022 - ACS Publications
This work investigates the effect of ultrafine-grain microstructure on the oxidation behavior of
AlCoCrFeNi high entropy alloy (HEA). The ultrafine-grain microstructure is obtained using …

High oxidation resistance of AlCoCrFeNi high entropy alloy through severe shear deformation processing

M Garg, HS Grewal, RK Sharma, B Gwalani… - Journal of Alloys and …, 2022 - Elsevier
In the current study, the high temperature oxidation behavior of AlCoCrFeNi high entropy
alloy (HEA) following severe shear deformation was investigated. X-ray diffraction and …

Limiting oxidation of high entropy alloy via high strain-rate deformation: Insights from electrochemical impedance spectroscopy

M Garg, HS Grewal, RK Sharma, B Gwalani… - Materials Chemistry and …, 2023 - Elsevier
Material processing is often performed to form a fine grain structure with uniform distribution
of mechanical properties. In the present study, a one-step solid phase processing technique …

Improving the high temperature oxidation resistance of high entropy alloy by surface modification

M Garg, HS Grewal, RK Sharma, HS Arora - Corrosion Reviews, 2023 - degruyter.com
In the current study, we report an excellent high temperature oxidation resistance of
AlCoCrFeNi high entropy alloy (HEA) following surface modification. The surface properties …

Circumventing strength-ductility paradox in high entropy alloys through deformation processing

M Garg, HS Grewal, RK Sharma, B Gwalani… - Journal of Alloys and …, 2023 - Elsevier
Engineering materials are known to show trade-off between high tensile strength and
ductility. The simultaneous enhancement of strength and ductility can make them more …

High tribo-corrosion resistance of Ni-Cr-5Al2O3 thermal spray coating: a comparison of post processing techniques

M Garg, HS Grewal, HS Arora - Corrosion Reviews, 2024 - degruyter.com
Engineering materials are known to show degradation in terms of tribo-corrosion
characteristics in marine environment. The concurrent increase in erosion and corrosion …

Slurry erosion–corrosion resistance of MoNbTaTiZr high entropy alloy

AK Sharma, G Perumal, HS Arora… - Journal of Bio-and Tribo …, 2021 - Springer
Slurry erosion–corrosion is a severe issue for many engineering components used in
marine, petrochemical, and agricultural sectors. The deleterious effects of the slurry erosion …