[HTML][HTML] Chemical short-range orders in high-/medium-entropy alloys

X Wu - Journal of Materials Science & Technology, 2023 - Elsevier
High (or medium)-entropy alloys (H/MEAs) are complex concentrated solid solutions prone
to develop the chemical short-range orders (CSROs), as an indispensable structural …

Revealing the deformation mechanisms of< 110> symmetric tilt grain boundaries in CoCrNi medium-entropy alloy

D Hua, Q Zhou, Y Shi, S Li, K Hua, H Wang, S Li… - International Journal of …, 2023 - Elsevier
The synergy of multiple deformation mechanisms responsible for the excellent mechanical
properties attracts an increasing interest in CoCrNi medium entropy alloy (MEA). In this …

Deformation and failure of the CrCoNi medium-entropy alloy subjected to extreme shock loading

S Zhao, S Yin, X Liang, F Cao, Q Yu, R Zhang, L Dai… - Science …, 2023 - science.org
The extraordinary work hardening ability and fracture toughness of the face-centered cubic
(fcc) high-entropy alloys render them ideal candidates for many structural applications. Here …

On the deformation behavior of CoCrNi medium entropy alloys: Unraveling mechanistic competition

A Gupta, WR Jian, S Xu, IJ Beyerlein… - International Journal of …, 2022 - Elsevier
Recently, CoCrNi medium entropy alloys (MEA) have been the subject of numerous
investigations due to their unique mechanical properties such as an exceptionally high …

Phase transition in medium entropy alloy CoCrNi under quasi-isentropic compression

Z Xie, WR Jian, S Xu, IJ Beyerlein, X Zhang… - International Journal of …, 2022 - Elsevier
Under high strain-rate loading, prominent increases in pressure usually triggers phase
transition (PT), but the concomitant temperature rise may also cause melting. Quasi …

Formation mechanism of hierarchical twins in the CoCrNi medium entropy alloy

D Hua, X Liu, W Wang, Q Zhou, Q Xia, S Li, J Shi… - Journal of Materials …, 2023 - Elsevier
The three-dimensional hierarchical twin network has been proved to be the source of the
excellent strength-ductility combination in the CoCrNi medium entropy alloy. Revealing the …

Grain size and scratching depth dependent tribological characteristics of CrCoNi medium-entropy alloy coatings: a molecular dynamics simulation study

J Zhang, G Deng, W Li, S Li, Y Yan, X Liu, T Ma… - Surface and Coatings …, 2023 - Elsevier
In this work, we have investigated the impact of grain size and scratching depth on the
tribological behavior of nanocrystalline CrCoNi medium-entropy alloy (MEA) coatings during …

Shock-induced dynamic response in single and nanocrystalline high-entropy alloy FeNiCrCoCu

S Liu, G Feng, L Xiao, Y Guan, W Song - International Journal of …, 2023 - Elsevier
The high-entropy alloys (HEAs) exhibit some unique atomic-scale plastic deformation
mechanisms under extreme loading conditions (eg, shock). Here, four samples are …

Shock compression and spallation damage of high-entropy alloy Al0. 1CoCrFeNi

NB Zhang, J Xu, ZD Feng, YF Sun, JY Huang… - Journal of Materials …, 2022 - Elsevier
Shock compression and spallation damage of a face-center cubic phase high-entropy alloy
(HEA) Al 0.1 CoCrFeNi were investigated via plate impact experiments along with free …

Dynamic mechanical properties, deformation and damage mechanisms of eutectic high-entropy alloy AlCoCrFeNi2. 1 under plate impact

SP Zhao, ZD Feng, LX Li, XJ Zhao, L Lu, S Chen… - Journal of Materials …, 2023 - Elsevier
Shock compression and spallation of a eutectic high-entropy alloy (HEA) AlCoCrFeNi 2. 1
with lamellar structure are investigated via plate impact loading with free-surface velocity …