Tailoring planar slip to achieve pure metal-like ductility in body-centred-cubic multi-principal element alloys

L Wang, J Ding, S Chen, K Jin, Q Zhang, J Cui… - Nature Materials, 2023 - nature.com
Uniform tensile ductility (UTD) is crucial for the forming/machining capabilities of structural
materials. Normally, planar-slip induced narrow deformation bands localize the plastic …

[HTML][HTML] A review on recent progress of refractory high entropy alloys: from fundamental research to engineering applications

L Zhuo, Y Xie, B Chen - Journal of Materials Research and Technology, 2024 - Elsevier
Refractory high-entropy alloys (RHEAs) have emerged as frontier materials for high-
temperature structural applications due to their exceptional mechanical properties and …

Lightweight Ti-Zr-Nb-Al-V refractory high-entropy alloys with superior strength-ductility synergy and corrosion resistance

H Wang, W Chen, Z Fu, C Chu, Z Tian, Z Jiang… - International Journal of …, 2023 - Elsevier
Refractory high-entropy alloys (RHEAs) are regarded as promising candidates of the next
generation superalloys, mainly benefitting from the high strength at high temperatures …

Multistage strain-hardening behavior of ultrastrong and ductile lightweight refractory complex-concentrated alloys

Y Jia, C Ren, S Wu, Y Mu, L Xu, Y Jia, W Yan… - Journal of Materials …, 2023 - Elsevier
Lightweight high-entropy alloys or complex-concentrated alloys have demonstrated great
potential for engineering applications due to their high strength and lightweight. However, a …

Dual precipitate simultaneous enhancement of tensile and fatigue strength in (FeCoNi) 86Al7Ti7 high-entropy alloy fabricated using selective laser melting

L Xu, Y Jia, Z Wang, S Wu, Y Jia, C Geng… - Journal of Materials …, 2023 - Elsevier
Recent studies have indicated that precipitation-strengthened high-entropy alloys (HEAs)
show superior mechanical performance and have been successfully fabricated by additive …

Development and characterization of a low-density TiNbZrAlTa refractory high entropy alloy with enhanced compressive strength and plasticity

MA Khan, M Hamza, J Brechtl, Z Nazir… - Materials …, 2023 - Elsevier
A new refractory high entropy alloy (RHEA) is designed by combining refractory elements
Nb and Ta with Ti, Zr, and Al, resulting in a (TiNbZr) 89 (AlTa) 11 alloy composition with a …

Efficient coarse‐grained superplasticity of a gigapascal lightweight refractory medium entropy alloy

Y Jia, S Wu, Y Mu, L Xu, C Ren, K Sun, J Yi… - Advanced …, 2023 - Wiley Online Library
Superplastic metals that exhibit exceptional ductility (> 300%) are appealing for use in high‐
quality engineering components with complex shapes. However, the wide application of …

Corrosion resistance and passive film stability of laser direct energy deposited TiVZrNbAl lightweight multi-principal element alloy

X Li, J Yuan, K Lu, K Chong, L Liu, Z Zhang, Y Chen… - Corrosion …, 2024 - Elsevier
This work reports the corrosion behaviour of a novel laser direct energy deposited Ti 45 V 30
Zr 12 Nb 12 Al 1 lightweight multi-principal element alloy (MPEA) in a 0.6 M NaCl solution …

Dendrite structure-induced tunable plastic deformation behavior in (Ti-V-Cr) 100-xWx refractory high entropy alloys

C Li, SH Chen, HH Tang, JS Zhang, JQ Liu… - International Journal of …, 2023 - Elsevier
Inducing multiple deformation mechanisms to improve the plasticity of refractory high
entropy alloys (RHEAs) is crucial for their engineering applications. In this work, the dendrite …

Tuning the grain and domain sizes to achieve superior room-temperature tensile ductility in a B2-ordered refractory Al15Nb40Ti40V5 medium-entropy alloy

N Yurchenko, E Panina, A Tojibaev, V Novikov… - Materials Science and …, 2023 - Elsevier
Herein, we showed that the grain size, rather than the domain size, controlled room-
temperature properties of a B2-ordered refractory Al 15 Nb 40 Ti 40 V 5 medium-entropy …