Effect of grain size on fatigue limit in CrMnFeCoNi high-entropy alloy fabricated by spark plasma sintering under four-point bending

K Fujita, K Nakazawa, H Fujiwara, S Kikuchi - Materials Science and …, 2022 - Elsevier
In order to investigate the effect of grain size on the fatigue limit of single-phase equiatomic
high-entropy alloys (HEAs); CrMnFeCoNi, fabricated by spark plasma sintering, four-point …

Microstructure tailoring to enhance mechanical properties in CoCrFeNiMn high-entropy alloy by Ti addition and thermomechanical treatment

H Shahmir, MS Mehranpour, A Derakhshandeh… - Materials …, 2021 - Elsevier
Abstract CoCrFeNiMnTi x (x= 0.1 and 0.3) high-entropy alloys (HEAs) were processed by
thermomechanical treatment including heavy cold rolling followed by post-deformation …

Endless recrystallization of high-entropy alloys at high temperature

Q Wu, Z Wang, F He, Z Yang, J Li, J Wang - Journal of Materials Science & …, 2022 - Elsevier
In traditional physical metallurgy, once recrystallization occurs, it will proceed to 100% along
with time even at relatively low temperatures, resulting in the limited thermal stability of …

Evolution of residual stress, microstructure and cyclic performance of the equiatomic high-entropy alloy CoCrFeMnNi after deep rolling

T Oevermann, T Wegener, A Liehr, L Hübner… - International Journal of …, 2021 - Elsevier
High-cycle fatigue tests were performed on differently deep rolled conditions of the
equiatomic high-entropy alloy (HEA) CoCrFeMnNi. Twinning in the near-surface layer of …

Effect of C addition on microstructure and mechanical properties of as-cast HEAs (Fe50Mn30Co10Cr10) 100-xCx

X Liu, X Zhao, J Chen, Y Lv, X Wang, B Liu… - Materials Chemistry and …, 2020 - Elsevier
The microstructure and mechanical properties of the as-cast (Fe 50 Mn 30 Co 10 Cr 10) 100-
x C x (x= 0, 0.5, 1, 2, 4, 6 at.%) alloys have been investigated. The results show that at x= 0 …

Enhanced mechanical performance of gradient-structured CoCrFeMnNi high-entropy alloys induced by industrial shot-blasting

MZ Zhang, K Zhang, KK Song, XY Zou, WD Song, KF Li… - Rare Metals, 2023 - Springer
In this study, CoCrFeMnNi high-entropy alloys (HEAs) with a surface gradient nanostructure
were produced using industrial shot blasting, which improved their mechanical properties …

Effect of microstructural features on the high-cycle fatigue behavior of CoCrFeMnNi high-entropy alloys deformed at room and cryogenic temperatures

GT Lee, JW Won, KR Lim, M Kang, HJ Kwon… - Metals and Materials …, 2021 - Springer
In this study, we examined the effect of deformation twins and dislocation cell structures on
the fatigue properties of the CoCrFeMnNi high-entropy alloy using rotational bending fatigue …

The astonishing effect of Si addition on low-cycle fatigue life in a metastable high-entropy alloy

SAA Shams, G Kim, CS Lee, HS Kim… - Materials Science and …, 2023 - Elsevier
The effect of Si content on the tensile and cyclic deformation behavior of Fe 50-x Mn 30 Co
10 Cr 10 Si x (x= 0–6) as a metastable high-entropy alloy (HEA) was investigated in this …

Fatigue dataset of high-entropy alloys

S Chen, X Fan, B Steingrimsson, Q Xiong, W Li… - Scientific Data, 2022 - nature.com
Fatigue failure of metallic structures is of great concern to industrial applications. A material
will not be practically useful if it is prone to fatigue failures. To take the advantage of lately …

Grain size effect on near-threshold fatigue crack propagation in CrMnFeCoNi high-entropy alloy fabricated by spark plasma sintering

K Fujita, H Tsuboi, S Kikuchi - Engineering Fracture Mechanics, 2023 - Elsevier
Abstract High-entropy alloys (HEAs), which comprise five or more elements and have an
equiatomic composition, are known to exhibit superior static strength and ductility. The …