Cooperative deformation in high-entropy alloys at ultralow temperatures

M Naeem, H He, F Zhang, H Huang, S Harjo… - Science …, 2020 - science.org
High-entropy alloys exhibit exceptional mechanical properties at cryogenic temperatures,
due to the activation of twinning in addition to dislocation slip. The coexistence of multiple …

High-entropy alloys: a review of mechanical properties and deformation mechanisms at cryogenic temperatures

X Gao, R Chen, T Liu, H Fang, G Qin, Y Su… - Journal of Materials …, 2022 - Springer
High-entropy alloys (HEAs) are multi-component alloys with a novel designed concept.
These HEAs exhibit unique composition design and structural characteristics leading to …

[HTML][HTML] Twinning in metastable high-entropy alloys

S Huang, H Huang, W Li, D Kim, S Lu, X Li… - Nature …, 2018 - nature.com
Twinning is a fundamental mechanism behind the simultaneous increase of strength and
ductility in medium-and high-entropy alloys, but its operation is not yet well understood …

Abnormal hardening and amorphization in an FCC high entropy alloy under extreme uniaxial tension

K Jiang, Q Zhang, J Li, X Li, F Zhao, B Hou… - International Journal of …, 2022 - Elsevier
Ever more extreme environments in advancing industrial applications motivate efforts to
design new generation of alloys with excellent mechanical properties. High entropy alloys …

Achieving high strength and ductility in high-entropy alloys via spinodal decomposition-induced compositional heterogeneity

Y Chen, Y Fang, R Wang, Y Tang, S Bai… - Journal of Materials …, 2023 - Elsevier
The compositional heterogeneity in high-entropy alloys (HEAs) has been reported to be an
inherent entity, which significantly alters the mechanical properties of materials by tuning the …

Probing deformation mechanisms of a FeCoCrNi high-entropy alloy at 293 and 77 K using in situ neutron diffraction

Y Wang, B Liu, K Yan, M Wang, S Kabra, YL Chiu… - Acta Materialia, 2018 - Elsevier
The deformation responses at 77 and 293 K of a FeCoNiCr high-entropy alloy, produced by
a powder metallurgy route, are investigated using in situ neutron diffraction and correlative …

Multiple deformation mechanisms induced by pre-twinning in CoCrFeNi high entropy alloy

Z Zhang, Z Jiang, Y Xie, SLI Chan, J Liang, J Wang - Scripta Materialia, 2022 - Elsevier
Multiple deformation mechanisms in high entropy alloy have been a notable method to
overcome strength-ductility trade-off dilemma, but they usually occur in some severe …

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 …

Simultaneous twinning and microband formation under dynamic compression in a high entropy alloy with a complex energetic landscape

DL Foley, SH Huang, E Anber, L Shanahan, Y Shen… - Acta Materialia, 2020 - Elsevier
High entropy alloys (HEAs) have been the subject of significant research in recent years due
in part to their excellent mechanical properties and unique microstructure. Chemical …

Regulation of strength and ductility of single-phase twinning-induced plasticity high-entropy alloys

D Wei, W Gong, T Kawasaki, S Harjo, H Kato - Scripta Materialia, 2022 - Elsevier
Near-equiatomic single-phase twining-induced plasticity (TWIP) high-entropy alloys (HEAs)
exhibit a good combination of strength and ductility, but their modest yield strength requires …