C and N doping in high-entropy alloys: A pathway to achieve desired strength-ductility synergy

MY He, YF Shen, N Jia, PK Liaw - Applied materials today, 2021 - Elsevier
High-entropy alloys (HEAs) have attracted great attention because they provide diversified
possibilities for obtaining many exceptional properties. They are expected to serve as …

A new strategy to overcome the strength-ductility trade off of high entropy alloy

W Fu, H Li, Y Huang, Z Ning, J Sun - Scripta Materialia, 2022 - Elsevier
Here, a new strategy, ie, laser shock peening (LSP) followed by cyclic deep cryogenic
treatment (DCT), is proposed to generate the gradient hierarchical structures and thus …

Enhancement of strength-ductility trade-off in a high-entropy alloy through a heterogeneous structure

SW Wu, G Wang, Q Wang, YD Jia, J Yi, QJ Zhai, JB Liu… - Acta Materialia, 2019 - Elsevier
The improvement in strength is usually accompanied by ductility loss in structural materials,
which is a long-standing conflict referred as the strength-ductility trade-off. Here we present …

[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 …

[HTML][HTML] A review on improving mechanical properties of high entropy alloy: interstitial atom doping

C Zhu, L Xu, M Liu, M Guo, S Wei - Journal of Materials Research and …, 2023 - Elsevier
High entropy alloy breaks through the traditional concept of alloy design and provides a new
way of thinking for alloy composition design. High entropy alloys (HEAs) generally contain …

Introducing local chemical ordering to trigger a planar-slip-initiated strain-hardening mechanism in high entropy alloys

A Sharma, S Dasari, T Ingale, C Jiang, B Gwalani… - Acta Materialia, 2023 - Elsevier
This study demonstrates that we can break the strength-ductility paradox in face-centered
cubic (FCC) high-entropy alloys (HEAs) by introducing local chemical ordering. Employing …

Properties and processing technologies of high-entropy alloys

X Yan, Y Zou, Y Zhang - Materials Futures, 2022 - iopscience.iop.org
High-entropy alloys (HEAs) are emerging materials that are developed based on entropy,
and draw significant attention for the potential to design their chemical disorder to bring out …

Interstitial equiatomic CoCrFeMnNi high-entropy alloys: carbon content, microstructure, and compositional homogeneity effects on deformation behavior

Z Li - Acta Materialia, 2019 - Elsevier
While interstitial alloying has been utilized to improve mechanical properties of multi-
component high-entropy alloys (HEAs), its effectiveness depends on the interstitial content …

[HTML][HTML] Chemical inhomogeneities in high-entropy alloys help mitigate the strength-ductility trade-off

E Ma, C Liu - Progress in Materials Science, 2024 - Elsevier
Metallurgists have long been accustomed to a trade-off between yield strength and tensile
ductility. Extending previously known strain-hardening mechanisms, the emerging multi …

High‐entropy alloys: potential candidates for high‐temperature applications–an overview

S Praveen, HS Kim - Advanced Engineering Materials, 2018 - Wiley Online Library
Multi‐principal elemental alloys, commonly referred to as high‐entropy alloys (HEAs), are a
new class of emerging advanced materials with novel alloy design concept. Unlike the …