Beating hydrogen with its own weapon: Nano-twin gradients enhance embrittlement resistance of a high-entropy alloy

H Luo, W Lu, X Fang, D Ponge, Z Li, D Raabe - Materials Today, 2018 - Elsevier
High-entropy alloys have shown exceptional damage tolerance at cryogenic temperatures.
Here we report that this essential property can be maintained even when exposing the …

Combinatorial metallurgical synthesis and processing of high-entropy alloys

Z Li, A Ludwig, A Savan, H Springer… - Journal of Materials …, 2018 - cambridge.org
High-entropy alloys (HEAs) with multiple principal elements open up a practically infinite
space for designing novel materials. Probing this huge material universe requires the use of …

Physical metallurgy of high-entropy alloys

JW Yeh - Jom, 2015 - Springer
Two definitions of high-entropy alloys (HEAs), based on composition and entropy, are
reviewed. Four core effects, ie, high entropy, sluggish diffusion, severe lattice distortion, and …

Heterogenous columnar-grained high-entropy alloys produce exceptional resistance to intermediate-temperature intergranular embrittlement

BX Cao, HJ Kong, L Fan, JH Luan, ZB Jiao, JJ Kai… - Scripta Materialia, 2021 - Elsevier
High-entropy alloys (HEAs) strengthened by coherent nanoparticles show great potentials
for elevated-temperature structural applications, which however, generally suffer from a …

More than entropy in high-entropy alloys: Forming solid solutions or amorphous phase

S Guo, Q Hu, C Ng, CT Liu - Intermetallics, 2013 - Elsevier
Metastable solid solutions can form preferably over intermetallic compounds, in cast high-
entropy alloys or multi-component alloys with equi-or nearly equi-atomic compositions, due …

[HTML][HTML] Enhancement of vacancy diffusion by C and N interstitials in the equiatomic FeMnNiCoCr high entropy alloy

E Lu, J Zhao, I Makkonen, K Mizohata, Z Li, M Hua… - Acta Materialia, 2021 - Elsevier
We present evidence of homogenization of atomic diffusion properties caused by C and N
interstitials in an equiatomic single-phase high entropy alloy (FeMnNiCoCr). This …

Maximum strength and dislocation patterning in multi–principal element alloys

P Cao - Science advances, 2022 - science.org
Multi–principal element alloys (MPEAs) containing three or more components in high
concentrations render a tunable chemical short-range order (SRO). Leveraging large-scale …

Fluctuations in local shear-fault energy produce unique and dominating strengthening in metastable complex concentrated alloys

W Li, S Lyu, Y Chen, AHW Ngan - Proceedings of the …, 2023 - National Acad Sciences
Local chemical short-range ordering (SRO) and spatial fluctuations of planar fault energy
are important features of multi-element and metastable complex concentrated alloys (CCAs) …

Severe local lattice distortion in Zr-and/or Hf-containing refractory multi-principal element alloys

Y Tong, S Zhao, H Bei, T Egami, Y Zhang, F Zhang - Acta Materialia, 2020 - Elsevier
Whereas exceptional mechanical and radiation performances have been found in the
emergent body-centered cubic (BCC) refractory multi-principal element alloys (RMPEAs) …

Mechanism of radiation damage reduction in equiatomic multicomponent single phase alloys

F Granberg, K Nordlund, MW Ullah, K Jin, C Lu, H Bei… - Physical review …, 2016 - APS
Recently a new class of metal alloys, of single-phase multicomponent composition at
roughly equal atomic concentrations (“equiatomic”), have been shown to exhibit promising …