Deformation-induced martensitic transformations: A strategy for overcoming the strength-ductility trade-off in high-entropy alloys

MS Mehranpour, N Rasooli, HS Kim… - Current Opinion in Solid …, 2024 - Elsevier
High-entropy alloys (HEAs) have become an important topic in modern materials science
due to their exceptional properties. Despite their attractive properties, achieving a superior …

Uncovering the eutectics design by machine learning in the Al–Co–Cr–Fe–Ni high entropy system

Q Wu, Z Wang, X Hu, T Zheng, Z Yang, F He, J Li… - Acta Materialia, 2020 - Elsevier
Eutectics in high entropy alloys (HEAs) have shown excellent properties and promising
applications. With empirical rules, various of eutectic high entropy alloys (EHEAs) have been …

Effects of Al and Ti co-doping on the strength-ductility-corrosion resistance of CoCrFeNi-AlTi high-entropy alloys

W Qi, W Wang, X Yang, G Zhang, W Ye, Y Su… - Journal of Alloys and …, 2022 - Elsevier
In order to design and develop new marine structural materials with a balance of strength-
toughness-corrosion resistance, in this work, the synergistic effects of Al and Ti on the …

Strain partitioning enables excellent tensile ductility in precipitated heterogeneous high-entropy alloys with gigapascal yield strength

F He, Z Yang, S Liu, D Chen, W Lin, T Yang… - International Journal of …, 2021 - Elsevier
High entropy alloys (HEAs) with grain-scale heterogeneous structure and coherent
precipitates have shown gigapascal strength and considerable ductility. However, the …

Extraordinary combination of strength and ductility in an additively manufactured Fe-based medium entropy alloy through in situ formed η-nanoprecipitate and …

F Haftlang, ES Kim, J Kwon, YU Heo, HS Kim - Additive Manufacturing, 2023 - Elsevier
The current study investigated the mechanical properties of Fe 65 Ni 15 Co 8 Mn 8 Ti 3 Si
(at%) medium entropy alloy (MEA), printed by laser-based direct energy deposition (DED) in …

Strengthening in Al-, Mo-or Ti-doped CoCrFeNi high entropy alloys: a parallel comparison

X Li, Z Li, Z Wu, S Zhao, W Zhang, H Bei… - Journal of Materials …, 2021 - Elsevier
In the current work, a parallel comparison of the influence of Al, Mo and Ti, on the
microstructure and strengthening of the CoCrFeNi alloy was conducted. To achieve this …

Effects of tungsten additions on the microstructure and mechanical properties of CoCrNi medium entropy alloys

R Chang, W Fang, X Bai, C Xia, X Zhang, H Yu… - Journal of Alloys and …, 2019 - Elsevier
W element has a much higher atomic radius and Young's modulus than that of Co, Cr and Ni
elements. In this work, the effects of W additions on recrystallized behaviors, mechanical …

Enhanced fatigue resistance of a face-centered-cubic single-phase Al0. 3CoCrFeNi high-entropy alloy through planar deformation characteristic

X Wang, W Bai, Z Zhang, Z Wang, X Ren - Materials Science and …, 2023 - Elsevier
High-entropy alloys (HEAs) represent a new class of materials with excellent mechanical
properties. However, more studies on the fatigue behavior of HEAs are urgently required …

Synergistic effect of Ti and Al on L12-phase design in CoCrFeNi-based high entropy alloys

D Chen, F He, B Han, Q Wu, Y Tong, Y Zhao, Z Wang… - Intermetallics, 2019 - Elsevier
Abstract L1 2-phase-strengthened high entropy alloys (HEAs) have shown promising
mechanical properties for both high-temperature and cryogenic applications. However …

[HTML][HTML] Characterization of hot deformation behavior of Al0. 3CoCrFeNi high-entropy alloy and development of processing map

M Patnamsetty, S Ghosh, MC Somani… - Journal of Alloys and …, 2022 - Elsevier
This study presents the characteristics of hot deformation behavior of a Al 0.3 CoCrFeNi high–
entropy alloy in the temperature and strain rate ranges of 1023–1423 K and 10–3–10 s–1 …