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 …

The role of interstitial constituents in refractory complex concentrated alloys

CH Belcher, BE MacDonald, D Apelian… - Progress in Materials …, 2023 - Elsevier
To meet the growing demand for transportation and energy consumption around the world,
more efficient turbine engines and power generators with higher operating temperatures are …

Substitutional and interstitial atoms co-doping overcomes the strength–ductility trade-off in lightweight refractory medium-entropy alloys

Y Liu, M Wang, T Wang, T Li, Y Lu - Materials Characterization, 2024 - Elsevier
Interstitial or substitutional solid solution strengthening is a common method for enhancing
material mechanical properties, however, it is unclear whether their synergy can lead to …

Cracking suppression in selective electron beam melted WMoTaNbC refractory high-entropy alloy

B Xiao, H Liu, W Jia, J Wang, L Zhou - Journal of Alloys and Compounds, 2023 - Elsevier
WMoTaNb refractory high-entropy alloy (RHEA) with its brilliant thermal resistance at 1600℃
becomes increasingly attractive to researchers. To accelerate the processing stage of …

In-situ (Nb, Ti) C particles reinforced Ni0. 6CoFe1. 4Nb0. 05 medium-entropy alloys

J Wu, X Zhu, H Zhu - International Journal of Refractory Metals and Hard …, 2023 - Elsevier
Abstract In-situ (Nb, Ti) C particles reinforced Ni 0.6 CoFe 1.4 Nb 0.05 medium-entropy alloy
composites (MEACs) are successfully fabricated by vacuum induction melting technology in …

Thermal stabilizing and toughening of a dual-phase Nb alloy by tuning stabilizing element C in Nb-BCC

Y Zhang, X Zhao, S Liu, W Li, K Zhou, L Xiao… - Journal of materials …, 2024 - Elsevier
Niobium alloys have found extensive application in industries, such as aerospace, nuclear
reactor, and emerging electronic technologies, owing to their high melting point, low density …

Structural transformation and superconductivity in carbon-added hexagonal high-entropy alloys

Q Zhu, G Xiao, Y Cui, W Yang, S Song, GH Cao… - Journal of Alloys and …, 2022 - Elsevier
We report the structural, mechanical and physical properties of the (MoReRu)(1− 2x)∕ 3
(PdPt) x and carbon-added (MoReRu)(1− 2x)∕ 3 (PdPt) x C y HEAs over wide ranges of x …

Effect of C additives with 0.5% in weight on structural, optical and superconducting properties of Ta–Nb–Hf–Zr–Ti high entropy alloy films

T Le, Y Lee, DT Tran, WS Choi, WN Kang, J Yun… - Journal of Alloys and …, 2024 - Elsevier
We investigated the superconducting (SC) properties of Ta–Nb–Hf–Zr–Ti high-entropy alloy
(HEA) thin films with 0.5% weight C additives. The C additives stabilize the structural …

High-performance Nb alloy featuring a hierarchical carbides configuration for elevated-temperature applications

Y Zhang, L Xiao, Z Cai, R Xiao, M Yin, X Li, Y Fu… - Journal of Materials …, 2025 - Elsevier
In aerospace, BBC-Nb alloys confront notable challenges in thermal stability and toughness
under cyclic fatigue at varying temperatures. Insufficient thermal stability and expedited …

Centrosymmetric to noncentrosymmetric structural transformation in a superconducting high-entropy alloy due to carbon addition

G Xiao, Q Zhu, W Yang, Y Cui, S Song, GH Cao… - Science China …, 2023 - Springer
The tetragonal σ phase is one of the most frequently occurring phases in transition metal
alloys. However, the effect of carbon addition in σ type high-entropy alloys (HEAs) has not …