Uniting superior mechanical properties with oxidation resistance in a refractory high-entropy alloy via Cr and Al alloying

D Cui, X Liu, Z Yang, B Guo, Z Wang, J Li, J Wang… - Scripta Materialia, 2024 - Elsevier
Refractory high-entropy alloys (RHEAs) have attracted considerable interest due to their
elevated melting points and remarkable softening resistance. Nevertheless, the ambient …

Refractory high-entropy alloys with ultra-high strength and strain hardening ability induced by heterogeneous deformation and microbands

Y Ma, Y Zhang, L Sun, Z Zhang - Journal of Materials Science & …, 2024 - Elsevier
Refractory high-entropy alloys (RHEAs) are potential materials for high-temperature
structural applications due to their excellent high-temperature performance. However, the …

Achieving excellent strength-ductility synergy via cold rolling-annealing in Al-containing refractory high-entropy alloys

Y Ma, L Sun, Y Zhang, Z Zhang - … Journal of Refractory Metals and Hard …, 2023 - Elsevier
Most refractory high-entropy alloys (RHEAs) with Al possess excellent strength but low
elongation. Low ductility is generally induced by the formation of brittle phases after long …

Significantly ameliorating room-temperature brittleness of refractory high-entropy alloys via in situ heterogeneous structure

D Han, B Yang, W Xu, H Yang, G Han, X Wang… - Journal of Materials …, 2024 - Elsevier
Although refractory high-entropy alloys (RHEAs) possess excellent softening resistance and
thermal stability at high temperatures, their practical application is often limited due to room …

Microstructural evolution, mechanical behavior, and deformation mechanisms of a lightweight Ti-Nb-Cr-V refractory high-entropy alloy at room and elevated …

Z Tian, W Chen, H Wang, C Chu, J Liu, L Hao… - Materials Science and …, 2024 - Elsevier
Refractory high-entropy alloys (RHEAs) have emerged as promising candidates for high-
temperature applications owing to their distinctive mechanical properties. However, their …

Designing TiVNbTaSi refractory high-entropy alloys with ambient tensile ductility

ZQ Xu, ZL Ma, Y Tan, XW Cheng - Scripta Materialia, 2022 - Elsevier
Adding oxidation-resistant elements (eg Al, Cr, Si) to refractory high-entropy alloys (RHEAs)
improves their high-temperature oxidation resistance while commonly degrades the room …

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 …

Enhanced plasticity in refractory high-entropy alloy via multicomponent ceramic nanoparticle

H Li, F Cao, T Li, Y Tan, Y Chen, H Wang… - Journal of Materials …, 2024 - Elsevier
Refractory high-entropy alloys (RHEAs) exhibit remarkable strengths at elevated
temperatures and are hence extremely promising candidates for high-temperature structural …

Design of oxygen-doped TiZrHfNbTa refractory high entropy alloys with enhanced strength and ductility

LK Iroc, OU Tukac, BB Tanrisevdi, O El-Atwani… - Materials & Design, 2022 - Elsevier
Refractory high entropy alloys (RHEAs) are considered promising materials for high-
temperature applications due to their thermal stability and high-temperature mechanical …

Slip-band-driven dynamic recrystallization mediated strain hardening in HfNbTaTiZr refractory high entropy alloy

L Xu, Y Jia, Y Ma, Y Jia, S Wu, C Chen, H Ding… - Journal of Materials …, 2025 - Elsevier
Refractory high-entropy alloys (RHEAs) exhibit outstanding strength at room temperature,
but their high-temperature applications are hindered by severe strain-softening. Here, we …