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 …

[HTML][HTML] 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 …

Strong and ductile refractory high-entropy alloys with super formability

C Zhang, H Wang, X Wang, YT Tang, Q Yu, C Zhu… - Acta Materialia, 2023 - Elsevier
Refractory high-entropy alloys (RHEAs) are considered promising candidate materials for
high-temperature structural applications that currently use superalloys. However, for most of …

Natural-mixing guided design of refractory high-entropy alloys with as-cast tensile ductility

S Wei, SJ Kim, J Kang, Y Zhang, Y Zhang, T Furuhara… - Nature Materials, 2020 - nature.com
Metallic alloys containing multiple principal alloying elements have created a growing
interest in exploring the property limits of metals and understanding the underlying physical …

Designing VxNbMoTa refractory high-entropy alloys with improved properties for high-temperature applications

M Wang, ZL Ma, ZQ Xu, XW Cheng - Scripta Materialia, 2021 - Elsevier
Poor high/medium-temperature phase stability and/or low room-temperature ductility are
currently bottlenecks of refractory high-entropy alloys (RHEAs) that restrict their high …

[HTML][HTML] Achieving high strength and ductility in nitrogen-doped refractory high-entropy alloys

R Wang, Y Tang, Z Lei, Y Ai, Z Tong, S Li, Y Ye, S Bai - Materials & Design, 2022 - Elsevier
Refractory high-entropy alloys (HEAs) usually exhibit high strength but limited ductility. Here,
we report high strength (∼ 1334 MPa) and large ductility (∼ 18.8%) in nitrogen-doped …

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 …

Additive manufacturing of ductile refractory high-entropy alloys via phase engineering

S Gou, M Gao, Y Shi, S Li, Y Fang, X Chen, H Chen… - Acta Materialia, 2023 - Elsevier
Refractory high-entropy alloys (RHEAs) are developed for superior elevated-temperature
strength and softening resistance. Additive manufacturing of RHEAs is attracting extensive …

Strengthening and dynamic recrystallization mediated by Si-alloying in a refractory high entropy alloy

Y Guo, J He, Z Li, L Jia, X Wu, C Liu - Materials Science and Engineering: A, 2022 - Elsevier
Refractory high entropy alloys (RHEAs) are increasingly attractive for potential high
temperature applications. To further optimize the mechanical properties, here we introduce …

Alloy design for intrinsically ductile refractory high-entropy alloys

S Sheikh, S Shafeie, Q Hu, J Ahlström… - Journal of applied …, 2016 - pubs.aip.org
Refractory high-entropy alloys (RHEAs), comprising group IV (Ti, Zr, Hf), V (V, Nb, Ta), and
VI (Cr, Mo, W) refractory elements, can be potentially new generation high-temperature …