Boron microalloying for high-temperature eutectic high-entropy alloys

Y Jia, Z Wang, Q Wu, Y Wei, X Bai, L Liu, J Wang, X Liu… - Acta Materialia, 2024 - Elsevier
The eutectic high-entropy alloys have shown promising mechanical behaviors while their
softening at elevated temperatures is still a challenge. Generally, the boundaries are the …

Enhanced strength-ductility synergy in a brittle CoCrNi2(V3B2Si)0.2 eutectic high-entropy alloy by spheroidized M3B2 and recrystallized FCC

L Zhang, A Amar, M Zhang, J Liu, H Yan, Y Zhang… - Science China …, 2023 - Springer
Eutectic high-entropy alloys (EHEAs) are receiving extensive attention due to their unique
physical/chemical properties. However, apart from the face-centered-cubic (FCC)+ B2 EHEA …

Influence of ordered L12 precipitation on strain-rate dependent mechanical behavior in a eutectic high entropy alloy

B Gwalani, S Gangireddy, Y Zheng, V Soni… - Scientific reports, 2019 - nature.com
Recent studies indicate that eutectic high-entropy alloys can simultaneously possess high
strength and high ductility, which have potential industrial applications. The present study …

Enhancement of strength-ductility balance of heavy Ti and Al alloyed FeCoNiCr high-entropy alloys via boron doping

Y Qi, T Cao, H Zong, Y Wu, L He, X Ding, F Jiang… - Journal of Materials …, 2021 - Elsevier
As one of the most effective mechanisms, precipitation-hardening is widely used to
strengthen high-entropy alloys. Yet, heavy precipitation-hardened high-entropy alloys …

Investigating the strengthening and deformation behavior of B2-strengthened high entropy alloys with high Co and Al contents

XS Liu, PF Yu, R Li, AX Li, SB Yu, MH Jiang… - Materials Science and …, 2023 - Elsevier
A never-ending challenge for materials scientists is to design alloys with excellent strength-
ductility combinations. Here, a systematic study on B2 precipitation and mechanical …

Improving mechanical properties of an FCC high-entropy alloy by γ′ and B2 precipitates strengthening

Z Li, L Fu, J Peng, H Zheng, X Ji, Y Sun, S Ma… - Materials …, 2020 - Elsevier
The FCC-structured high entropy alloys (HEAs) possess exceptional ductility and fracture
toughness, but they generally exhibit insufficient strength for engineering applications. In this …

A hypoeutectic high-entropy alloy with hierarchical microstructure for high-temperature application

L Liu, Z Wang, Q Wu, Y Jia, Q Xu, F He, J Li, J Wang - Scripta Materialia, 2023 - Elsevier
Dual-phase high entropy alloys have great potential for high-temperature applications. In
this work, a hypoeutectic Ni 41.8 Co 19 Cr 10 Fe 10 Al 15 Ti 2 Mo 2 Hf 0.1 B 0.1 high-entropy …

Boron doped ultrastrong and ductile high-entropy alloys

JB Seol, JW Bae, Z Li, JC Han, JG Kim, D Raabe… - Acta Materialia, 2018 - Elsevier
A new class of materials called high-entropy alloys (HEAs) constitutes multiple principal
elements in similar compositional fractions. The equiatomic Fe 20 Mn 20 Cr 20 Co 20 Ni 20 …

Enhanced strength and ductility of Al0. 9CoCrNi2. 1 eutectic high entropy alloy by thermomechanical processing

X Jin, Y Liang, J Bi, B Li - Materialia, 2020 - Elsevier
Eutectic high entropy alloys (EHEAs) composed of soft face centered cubic (FCC) phase and
hard body centered cubic (BCC) phases usually exhibit perfect combination of good tensile …

Small-scale mechanical behavior of a eutectic high entropy alloy

S Muskeri, V Hasannaeimi, R Salloom… - Scientific reports, 2020 - nature.com
Eutectic high entropy alloys, with lamellar arrangement of solid solution phases, represent a
new paradigm for simultaneously achieving high strength and ductility, thereby …