Dynamic deformation behavior of single phase VNbTa medium-entropy alloys

G Yang, Z Han, J Yang, Y Tian, A Tian, J Zhang… - Materials …, 2024 - Elsevier
In this study, the deformation behavior of body-centered-cubic (BCC) VNbTa medium-
entropy alloy (MEA) was studied under different strain rates ranging from 10− 3 s− 1 to 5000 …

Superior cryogenic strength and ductility in VNbTa body-centered cubic medium-entropy alloys

Z Han, G Yang, J Yang, Y Tian, J Cui, A Tian… - Materials …, 2023 - Elsevier
In this study, the deformation behavior of an equiatomic VNbTa medium-entropy alloy with a
BCC single phase is studied by tensile tests at cryogenic temperatures. The results show …

Dislocation glide and mechanical twinning in a ductile VNbTi medium entropy alloy

M Wu, S Wang, F Xiao, G Zhu, C Yang, D Shu… - Journal of Materials …, 2022 - Elsevier
An equiatomic VNbTi medium-entropy alloy with outstanding tensile properties and unique
deformation behavior is reported. The screw dislocation glide, deformation twinning, and …

Strain rate dependent deformation behavior of BCC-structured Ti29Zr24Nb23Hf24 high entropy alloy at elevated temperatures

T Cao, W Guo, W Lu, Y Xue, W Lu, J Su… - Journal of Alloys and …, 2022 - Elsevier
The mechanical behavior and deformation mechanisms of a body-centered cubic (BCC) Ti
29 Zr 24 Nb 23 Hf 24 (at%) high entropy alloy (HEA) was investigated in temperatures and …

Mechanical instability and tensile properties of TiZrHfNbTa high entropy alloy at cryogenic temperatures

S Wang, M Wu, D Shu, G Zhu, D Wang, B Sun - Acta Materialia, 2020 - Elsevier
The equiatomic TiZrHfNbTa alloy is one of the few refractory high entropy alloys that exhibit
tensile ductility at room temperature, the deformation of which is only dominated by …

Investigation of the Micromechanical Behavior of a Ti68Nb7Ta3Zr4Mo18 (at.%) High-Entropy Alloy

J Wang, Q Ma, H Cheng, H Yu, S Zhang, H Shang… - Materials, 2023 - mdpi.com
Intense research efforts are focused on the development of advanced high-entropy alloys
intended for premium aerospace components and other applications, where high strength …

Insights into orientation-dependent plasticity deformation of HfNbTaTiZr refractory high entropy alloy: An atomistic investigation

J Wei, REN Lu - International Journal of Plasticity, 2024 - Elsevier
HfNbTaTiZr refractory high entropy alloy has emerged as a prospective structural material
suitable for high-temperature applications owing to its remarkable combination of high …

Formation and toughening of metastable phases in TiZrHfAlNb medium entropy alloys

L Wang, C Fu, Y Wu, Q Wang, X Hui, Y Wang - Materials Science and …, 2019 - Elsevier
In this work, the microstructure, phase transformation, and tensile properties were
investigated for Ti 55-x Zr 20 Hf 15 Al 10 Nb x (x= 1, 2, 3…, 9, at%) medium entropy alloys …

[HTML][HTML] Superior dynamic shear properties and deformation mechanisms in a high entropy alloy with dual heterogeneous structures

S Qin, M Yang, Y Liu, P Jiang, J Fan, F Yuan… - Journal of Materials …, 2022 - Elsevier
Both heterogeneous grain structure and dual nanoprecipitates were designed in a Al 0.5 Cr
0.9 FeNi 2.5 V 0.2 high entropy alloy (HEA), and the dynamic shear responses were …

A ductile Nb40Ti25Al15V10Ta5Hf3W2 refractory high entropy alloy with high specific strength for high-temperature applications

J Pang, H Zhang, L Zhang, Z Zhu, H Fu, H Li… - Materials Science and …, 2022 - Elsevier
Refractory high entropy alloys (RHEAs) with good high-temperature softening resistance
have been revealed as promising candidates for high-temperature structural materials. In …