Discovery and design of fatigue-resistant high-entropy alloys
Fatigue resistance is a crucial requirement to the novel high-entropy alloys when they come
to engineering applications, as many metal structures used in practice are failed by cyclic …
to engineering applications, as many metal structures used in practice are failed by cyclic …
Fatigue behaviour of a laser beam welded CoCrFeNiMn-type high entropy alloy
N Kashaev, V Ventzke, N Petrov, M Horstmann… - Materials Science and …, 2019 - Elsevier
Laser beam welding was used to produce butt joints from the CoCrFeNiMn-type high
entropy alloy. The alloy in the initial condition had an fcc single-phase coarse-grained …
entropy alloy. The alloy in the initial condition had an fcc single-phase coarse-grained …
Novel Co-free high performance TRIP and TWIP medium-entropy alloys at cryogenic temperatures
R Wei, K Zhang, L Chen, Z Han, T Wang… - Journal of Materials …, 2020 - Elsevier
Recently, high-and medium-entropy alloys (HEAs and MEAs) have been found to exhibit
excellent cryogenic mechanical properties, but most of them contain high-priced Co …
excellent cryogenic mechanical properties, but most of them contain high-priced Co …
Enhanced synergy of strength-ductility and low-cycle fatigue resistance of high-entropy alloy through harmonic structure design
Compared with homogeneous structured materials, heterogeneous structured materials
exhibit unprecedented performances. In the present work, a series of harmonic structured …
exhibit unprecedented performances. In the present work, a series of harmonic structured …
Role of deformation twinning in fatigue of CrCoNi medium-entropy alloy at room temperature
Cylindrical specimens of CrCoNi alloy with electropolished surfaces were subjected to
constant total strain amplitude low cycle fatigue. The alloy exhibited an initial period of cyclic …
constant total strain amplitude low cycle fatigue. The alloy exhibited an initial period of cyclic …
Low-cycle fatigue properties of CoCrFeMnNi high-entropy alloy compared with its conventional counterparts
The behavior of CrCoFeMnNi high-entropy alloy (Cantor) during cyclic deformation at room
temperature was compared with those of a twinning-induced plasticity (TWIP) steel and 304 …
temperature was compared with those of a twinning-induced plasticity (TWIP) steel and 304 …
Microstructures and mechanical properties of oxide dispersion strengthened CoCrFeNi high-entropy alloy produced by mechanical alloying and spark plasma …
M Li, Y Guo, H Wang, J Shan, Y Chang - Intermetallics, 2020 - Elsevier
2 Hf and 1.5 Y 2 O 3 (wt.%) were added into CoCrFeNi (CCFN) high-entropy alloy (HEA) to
fabricate oxide dispersion strengthened CoCrFeNi (ODS-CCFN) composite by mechanical …
fabricate oxide dispersion strengthened CoCrFeNi (ODS-CCFN) composite by mechanical …
High-temperature low cycle fatigue behavior of an equiatomic CoCrFeMnNi high-entropy alloy
In the present work, low cycle fatigue (LCF) behavior of an equiatomic CoCrFeMnNi high
entropy alloy (HEA) is correlated to the microstructural evolution at 550° C. The fully …
entropy alloy (HEA) is correlated to the microstructural evolution at 550° C. The fully …
CoCrFeNiMn high entropy alloy microstructure and mechanical properties after severe cold shape rolling and annealing
MS Mehranpour, H Shahmir… - Materials Science and …, 2020 - Elsevier
A CoCrFeNiMn high entropy alloy (HEA) was processed by Severe Cold Shape Rolling
(SCSR) to equivalent strain of 3.7 at room temperature. The processed alloy shows a single …
(SCSR) to equivalent strain of 3.7 at room temperature. The processed alloy shows a single …
Modulating the prestrain history to optimize strength and ductility in CoCrFeMnNi high-entropy alloy
CoCrFeMnNi high-entropy alloy (HEA) exhibits excellent combination of strength and
ductility, but low yield strength. In order to ameliorate the mechanical properties, prestrain …
ductility, but low yield strength. In order to ameliorate the mechanical properties, prestrain …