Effects of cryogenic temperature and grain size on fatigue-crack propagation in the medium-entropy CrCoNi alloy

J Rackwitz, Q Yu, Y Yang, G Laplanche, EP George… - Acta Materialia, 2020 - Elsevier
CrCoNi-based high-entropy alloys have demonstrated outstanding mechanical properties,
particularly at cryogenic temperatures. Here we investigate the fatigue-crack propagation …

Temperature and load-ratio dependent fatigue-crack growth in the CrMnFeCoNi high-entropy alloy

KVS Thurston, B Gludovatz, Q Yu, G Laplanche… - Journal of Alloys and …, 2019 - Elsevier
Multiple-principal element alloys known as high-entropy alloys have rapidly been gaining
attention for the vast variety of compositions and potential combinations of properties that …

Effect of temperature on the fatigue-crack growth behavior of the high-entropy alloy CrMnFeCoNi

KVS Thurston, B Gludovatz, A Hohenwarter… - Intermetallics, 2017 - Elsevier
Near-equiatomic multi-component high-entropy alloys (HEAs) have engendered much
attention of late due to the remarkable mechanical properties of some of these new metallic …

Exceptional damage-tolerance of a medium-entropy alloy CrCoNi at cryogenic temperatures

B Gludovatz, A Hohenwarter, KVS Thurston… - Nature …, 2016 - nature.com
High-entropy alloys are an intriguing new class of metallic materials that derive their
properties from being multi-element systems that can crystallize as a single phase, despite …

High cycle fatigue deformation mechanisms of a single phase CrMnFeCoNi high entropy alloy

MZ Ghomsheh, G Khatibi, B Weiss, M Lederer… - Materials Science and …, 2020 - Elsevier
High entropy alloys (HEAs) with exceptional mechanical properties have gained a
considerable attention in the recent years. Some of these alloys, including the equiatomic …

Dynamic shear deformation of a CrCoNi medium-entropy alloy with heterogeneous grain structures

Y Ma, F Yuan, M Yang, P Jiang, E Ma… - Heterostructured …, 2021 - taylorfrancis.com
Single-phase CrCoNi medium-entropy alloys (MEA) are emerging recently as an interesting
class of metallic materials, but the dynamic response of this MEA at high strain rates remains …

Tensile creep properties of a CrMnFeCoNi high-entropy alloy

M Zhang, EP George, JC Gibeling - Scripta Materialia, 2021 - Elsevier
Tensile creep tests were performed on a CrMnFeCoNi high-entropy alloy at temperatures
from 1023 K to 1173 K. A uniform stress exponent 3.7±0.1 was found across all …

Mechanical property comparisons between CrCoNi medium-entropy alloy and 316 stainless steels

X Liu, H Feng, J Wang, X Chen, P Jiang, F Yuan… - Journal of Materials …, 2022 - Elsevier
We systematically compared the mechanical properties of CrCoNi, a recently emerged
prototypical medium-entropy alloy (MEA) with face-centered-cubic (FCC) structure, with …

[HTML][HTML] Reasons for the superior mechanical properties of medium-entropy CrCoNi compared to high-entropy CrMnFeCoNi

G Laplanche, A Kostka, C Reinhart, J Hunfeld… - Acta Materialia, 2017 - Elsevier
The tensile properties of CrCoNi, a medium-entropy alloy, have been shown to be
significantly better than those of CrMnFeCoNi, a high-entropy alloy. To understand the …

Effect of grain size on the low-cycle fatigue behavior of carbon-containing high-entropy alloys

SAA Shams, G Kim, JW Won, JN Kim, HS Kim… - Materials Science and …, 2021 - Elsevier
The effect of grain size on tensile and cyclic deformation behaviors of carbon-containing
CoCrFeMnNi high-entropy alloys (Cantor) were investigated. Heat treatment of warm-rolled …