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 …

Computational modeling of grain boundary segregation: A review

C Hu, R Dingreville, BL Boyce - Computational Materials Science, 2024 - Elsevier
Nearly all metals, alloys, ceramics, and their associated composites are polycrystalline in
nature, with grain boundaries that separate well-defined crystalline regions that influence …

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 …

Implication of grain-boundary structure and chemistry on plasticity and failure

G Dehm, J Cairney - MRS Bulletin, 2022 - Springer
Failure processes are often linked to interfaces, their atomistic structure and chemistry.
Therefore, a detailed understanding of failure processes requires knowledge of structural …

[HTML][HTML] Grain boundary self-and Mn impurity diffusion in equiatomic CoCrFeNi multi-principal element alloy

S Sen, M Glienke, B Yadav, M Vaidya, K Gururaj… - Acta Materialia, 2024 - Elsevier
Grain boundary self-diffusion of Co, Cr and Fe and impurity diffusion of Mn are measured in
a coarse-grained equiatomic CoCrFeNi multi-principal alloy. The tracer diffusivities are …

An atomic insight into the stoichiometry effect on the tribological behaviors of CrCoNi medium-entropy alloy

J Zhang, W Li, R Qin, P Chen, Y Liu, X Liu… - Applied Surface Science, 2022 - Elsevier
Face-centered cubic CrCoNi medium-entropy alloy (MEA) as one of the derivatives of
CoCrFeMnNi high-entropy alloy has drawn much attention due to its remarkable mechanical …

A comparative study on the corrosion behavior of CoCrNi medium-entropy alloy and 316L stainless steel in simulated marine environment

M Zhu, F He, Y Yuan, S Guo, G Wei - Intermetallics, 2021 - Elsevier
This paper investigates the difference in the corrosion resistance and passive property of
CoCrNi medium-entropy alloy and 316 L stainless steel in a simulated marine environment …

Enhancing properties of high-entropy alloys via manipulation of local chemical ordering

Y Wang, M Jiao, Y Wu, X Liu, H Wang, S Jiang… - Journal of Materials …, 2024 - Elsevier
It is gradually accepted that the presence of local chemical orderings (LCOs) is a common
structural feature of high-entropy alloys (HEAs) due to their large chemical complexity and …

Chemical inhomogeneity inhibits grain boundary fracture: A comparative study in CrCoNi medium entropy alloy

F Cao, Y Chen, HY Wang, LH Dai - Journal of Materials Science & …, 2023 - Elsevier
Grain boundary (GB) fracture is arguably one of the most important reasons for the
catastrophic failure of ductile polycrystalline materials. It is of interest to explore the role of …