Theoretical study on the element distribution characteristics and the effects of oxygen in TiZrHfNb high entropy alloys

A Chen, Y Pan, J Dai, W Fu, X Song - Materials Today Communications, 2023 - Elsevier
Short range order and oxygen both have great effects on the mechanical properties like
yield strength and ductility of refractory high entropy alloys. In this work, we studied the …

Simultaneous enhancement of strength and ductility of body-centered cubic TiZrNb multi-principal element alloys via boron-doping

J Pang, H Zhang, L Zhang, Z Zhu, H Fu, H Li… - Journal of Materials …, 2021 - Elsevier
Body-centered cubic (BCC) multi-principal element alloys (MPEAs) have intrinsic high
strength but poor ductility, which greatly limits their potential applications. Here we present …

[HTML][HTML] Anisotropy in 3D-printed (FeCoNi) 86Al7Ti7 high entropy alloy

LX Liu, J Pan, PC Zhang, C Zhang, JY Xu… - Journal of Materials …, 2023 - Elsevier
Anisotropic microstructure and mechanical properties are vital considerations in the practical
applications of 3D-printed metallic materials; however, limited attention has been given to …

A Study on Outstanding High‐Temperature Wear Resistance of High‐Entropy Alloys

H Hamdi, HR Abedi, Y Zhang - Advanced Engineering …, 2023 - Wiley Online Library
Wear property is a main reason for failure, especially for those parts which are mechanically
moving and interacting with each other in industrial utilization. High‐entropy alloys (HEAs) …

The shear softening and dislocation glide competition due to the shear-induced short-range order degeneration in CoCrNi medium-entropy alloy

G Huang, X Zhang, R Zhang, WR Jian, X Zou… - Journal of Materials …, 2024 - Elsevier
The short-range order (SRO) in multi-principal element alloys (MPEAs) is an intriguing topic
in advanced alloy research. The crucial question related to this topic lies in the effect of the …

On phase stability of Mo-Nb-Ta-W refractory high entropy alloys

E Zhang, Y Tang, M Wen, A Obaied… - International Journal of …, 2022 - Elsevier
Refractory high entropy alloys (RHEAs) emerge as promising candidate materials for
ultrahigh-temperature applications. Accurate phase stability is the prerequisite for design of …

Unveiling the atomic-scale origins of high damage tolerance of single-crystal high entropy alloys

J Li, H Chen, Q He, Q Fang, B Liu, C Jiang, Y Liu… - Physical Review …, 2020 - APS
High entropy alloys (HEAs) exhibit an unusual combination of high fracture strength and
ductility. However, atomic mechanisms responsible for crack propagation in HEAs are still …

Application of atom probe tomography in understanding high entropy alloys: 3D local chemical compositions in atomic scale analysis

R Hu, S Jin, G Sha - Progress in Materials Science, 2022 - Elsevier
Abstract High-entropy alloys (HEAs), also called multi-principal-elements alloys, possess
extraordinary mechanical properties, including high strength and hardness, thermal stability …

Overcoming strength-ductility trade-off in high-entropy alloys by tuning chemical short-range order and grain size

S Guo, S Sui, M Wang, X Hao, H Chen, C Wang… - Intermetallics, 2022 - Elsevier
The chemical short-range order (CSRO) and grain size affect the strength and ductility of
high-entropy alloys (HEAs). However, their superposition effect has not yet been studied …

[HTML][HTML] Twin-induced transformation strengthening of CoCrNi-based medium-entropy alloy with a gradient nanostructure

Z Ding, J Xie, C Wang, T Wang, A Chen, X Wang… - Journal of Materials …, 2023 - Elsevier
Single-phase face-centered cubic (fcc) medium-entropy alloys (MEAs) generally exhibit
good ductility but insufficient room temperature strength that limits their potential application …