[PDF][PDF] A critical review of the mechanical properties of CoCrNi-based medium-entropy alloys

D Xu, M Wang, T Li, X Wei, Y Lu - Microstructures, 2022 - academia.edu
The CoCrFeMnNi alloy is one of the most notable first-generation high-entropy alloys and is
also known as a Cantor alloy. This alloy was first proposed in 2004 and shows promising …

Direct atomic-scale observation of ultrasmall Ag nanowires that exhibit fcc, bcc, and hcp structures under bending

S Sun, D Li, C Yang, L Fu, D Kong, Y Lu, Y Guo… - Physical Review Letters, 2022 - APS
Metals usually have three crystal structures: face-centered cubic (fcc), body-centered cubic
(bcc), and hexagonal-close packed (hcp) structures. Typically, metals exhibit only one of …

[HTML][HTML] Recent progress in the CoCrNi alloy system

S Bajpai, BE MacDonald, TJ Rupert, H Hahn… - Materialia, 2022 - Elsevier
The exceptional mechanical properties, particularly at cryogenic temperatures, of the
equiatomic CoCrNi alloy are documented in numerous published studies. Similar to the …

[HTML][HTML] Determination of peak ordering in the CrCoNi medium-entropy alloy via nanoindentation

M Zhang, Q Yu, C Frey, F Walsh, MI Payne, P Kumar… - Acta Materialia, 2022 - Elsevier
Local chemical ordering (LCO) in the CrCoNi medium-entropy alloy was investigated by
transmission electron microscopy (TEM) after different annealing treatments and their …

Dynamically reversible shear transformations in a CrMnFeCoNi high-entropy alloy at cryogenic temperature

K Ming, B Li, L Bai, P Jiang, X Wu, S Zheng, J Wang - Acta Materialia, 2022 - Elsevier
Shear transformation, such as twinning and martensitic phase transformation, is generally
unidirectional under monotonic thermal or mechanical loading. Here, we report the …

Super-hard (MoSiTiVZr) Nx high-entropy nitride coatings

J Li, Y Chen, Y Zhao, X Shi, S Zhang - Journal of Alloys and Compounds, 2022 - Elsevier
High-entropy nitride coatings have become a promising alternative to traditional protective
coatings due to their excellent mechanical properties, thermal stability, oxidation, and wear …

Generalized stacking faults energies of face-centered cubic high-entropy alloys: A first-principles study

X Li, S Schönecker, L Vitos, X Li - Intermetallics, 2022 - Elsevier
Developing high-strength and ductile face-centered cubic (fcc) high-entropy alloys (HEAs)
has attracted significant attention. The generalized stacking fault energy (GSFE) is a very …

Strengthening effect of high-entropy alloys endowed by monolayer graphene

H Xie, Z Ma, W Zhang, H Zhao, L Ren - Materials Today Physics, 2022 - Elsevier
The graphene (Gr) can effectively confine the dislocation propagation, allowing for the
pronounced strengthening effect. However, due to the technical limitations of atomic …

Phase volume fraction-dependent strengthening in a nano-laminated dual-phase high-entropy alloy

C Huang, Y Yao, S Chen - ACS omega, 2022 - ACS Publications
A recently synthesized FCC/HCP nano-laminated dual-phase (NLDP) CoCrFeMnNi high
entropy alloy (HEA) exhibits excellent strength–ductility synergy. However, the underlying …

[HTML][HTML] Understanding the microstructure refinement and mechanical strengthening of dual-phase high entropy alloy during ultrasonic shot peening

F Yin, X Zhang, F Chen, S Hu, K Ming, J Zhao, L Xie… - Materials & Design, 2023 - Elsevier
The ultrastrong gradient nanostructured dual-phase high entropy alloy (DP-HEA) Fe 50 Mn
30 Co 10 Cr 10 has been fabricated by an efficient surface nanocrystallization method, eg …