Light-weight refractory high-entropy alloys: A comprehensive review

Z Wang, S Chen, S Yang, Q Luo, Y Jin, W Xie… - Journal of Materials …, 2023 - Elsevier
In recent years, high-entropy alloys (HEAs) have become a research hotspot in materials
community, and great progress has been made in exploring various high-performance …

Friction stir based welding, processing, extrusion and additive manufacturing

FC Liu, AH Feng, X Pei, Y Hovanski, RS Mishra… - Progress in Materials …, 2024 - Elsevier
Friction stir welding and processing enabled the creation of stronger joints, novel ultrafine-
grained metals, new metal matrix composites, and multifunctional surfaces at user-defined …

Oxygen-assisted spinodal structure achieves 1.5 GPa yield strength in a ductile refractory high-entropy alloy

D Cui, Y Zhang, L Liu, Y Li, L Wang, Z Wang, J Li… - Journal of Materials …, 2023 - Elsevier
Refractory high-entropy alloys (RHEAs) with room-temperature ductility are drawing growing
attention for potential high-temperature applications. However, the most widely used …

Massive interstitial solid solution alloys achieve near-theoretical strength

C Liu, W Lu, W Xia, C Du, Z Rao, JP Best… - Nature …, 2022 - nature.com
Abstract Interstitials, eg, C, N, and O, are attractive alloying elements as small atoms on
interstitial sites create strong lattice distortions and hence substantially strengthen metals …

Vanadium is an optimal element for strengthening in both fcc and bcc high-entropy alloys

B Yin, F Maresca, WA Curtin - Acta Materialia, 2020 - Elsevier
The element Vanadium (V) appears unique among alloying elements for providing high
strengthening in both the fcc Co-Cr-Fe-Mn-Ni-V and bcc Cr-Mo-Nb-Ta-VW-Hf-Ti-Zr high …

Phase inversion in a two-phase, BCC+ B2, refractory high entropy alloy

V Soni, B Gwalani, T Alam, S Dasari, Y Zheng… - Acta Materialia, 2020 - Elsevier
A phenomenon of “phase inversion”, presumably the first ever experimental evidence in
metallic alloys, is shown in a refractory high entropy alloy (RHEA), Al 0.5 NbTa 0.8 Ti 1.5 V …

Unusual activated processes controlling dislocation motion in body-centered-cubic high-entropy alloys

B Chen, S Li, H Zong, X Ding… - Proceedings of the …, 2020 - National Acad Sciences
Atomistic simulations of dislocation mobility reveal that body-centered cubic (BCC) high-
entropy alloys (HEAs) are distinctly different from traditional BCC metals. HEAs are …

Laser metal deposition of compositionally graded TiZrNbTa refractory high-entropy alloys using elemental powder blends

H Dobbelstein, EL Gurevich, EP George… - Additive …, 2019 - Elsevier
In the present study, laser metal deposition (LMD) was used to produce compositionally
graded refractory high-entropy alloys (HEAs) for screening purposes by in-situ alloying of …

Data-augmented modeling for yield strength of refractory high entropy alloys: A bayesian approach

B Vela, D Khatamsaz, C Acemi, I Karaman, R Arróyave - Acta Materialia, 2023 - Elsevier
Refractory high entropy alloys (RHEAs) have gained significant attention in recent years as
potential replacements for Ni-based superalloys in gas turbine applications. Improving their …

A review of refractory high-entropy alloys

Y Tian, W Zhou, Q Tan, M Wu, Q Shen, G Zhu… - … of Nonferrous Metals …, 2022 - Elsevier
This work reviews recent progress in the alloy design, microstructure, and mechanical
properties of refractory high-entropy alloys (RHEAs). What's more, the underlying …