Novel alloy design concepts enabling enhanced mechanical properties of high entropy alloys

J Kumar, S Jha, A Raturi, A Bajpai, R Sonkusare… - Frontiers in …, 2022 - frontiersin.org
The emergence of High Entropy Alloys (HEAs) in the world of materials has shifted the alloy
design strategy based on a single principal element to the multi-principal elements where …

Characterization of the microscale/nanoscale hierarchical microstructure of an as-cast CrMnFeNiCu high-entropy alloy with promising mechanical properties

SH Shim, H Pouraliakbar, H Minouei, MS Rizi… - Journal of Alloys and …, 2023 - Elsevier
In this study, we investigated the evolution of a hierarchical multiphase structure in an as-
cast CrMnFeNiCu high-entropy alloy (HEA). Thermodynamic calculations were performed to …

Effects of carbon and molybdenum on the nanostructural evolution and strength/ductility trade-off in Fe40Mn40Co10Cr10 high-entropy alloys

MS Rizi, H Minouei, BJ Lee, MR Toroghinejad… - Journal of Alloys and …, 2022 - Elsevier
The effects of carbon and molybdenum on the strain-induced nanostructural evolution and
strength-ductility trade-off in Fe 40 Mn 40 Co 10 Cr 10, Fe 39.5 Mn 40 Co 10 Cr 10 C 0.5 …

Strengthening and deformation behavior of as-cast CoCrCu1. 5MnNi high entropy alloy with micro-/nanoscale precipitation

SH Shim, H Pouraliakbar, BJ Lee, YK Kim… - Materials Science and …, 2022 - Elsevier
The microstructure of as-cast CoCrCu 1.5 MnNi high entropy alloy (HEA) exhibited the dual
fcc phase structure with Co–Cr rich dendritic and Cu–Mn rich interdendritic regions. Long …

Dynamic tension and constitutive model in Fe40Mn20Cr20Ni20 high-entropy alloys with a heterogeneous structure

YZ Wang, ZM Jiao, GB Bian, HJ Yang, HW He… - Materials Science and …, 2022 - Elsevier
Abstract Face-centered-cubic (FCC) Fe 40 Mn 20 Cr 20 Ni 20 high-entropy alloys (HEAs)
with a weigh of 50 Kg were fabricated by industrialized vacuum-induction melting. This alloy …

Exploring the impact of heat treatment on the transformation of hierarchical microstructure and mechanical properties in a non-equiatomic CrMnFeNiCu high-entropy …

SH Shim, H Pouraliakbar, YK Kim, BJ Lee… - Journal of Alloys and …, 2023 - Elsevier
The influence of heat treatment cycles on the phase transformation and mechanical
properties of a non-equiatomic cast CrMnFeNiCu high-entropy alloy (HEA) was investigated …

[HTML][HTML] Enhanced strength without sacrificing ductility in FeCrMnVSix high entropy alloys via controlling the ratio of metallic to covalent bonding

Y Liu, Z Yao, P Zhang, S Lin, M He, S Lu, X Wu - Materials & Design, 2023 - Elsevier
It has been the pursuit of materials science to enhance strength without sacrificing the
ductility of a material. By introducing the semi-metallic Si into the FeCrMnV high-entropy …

Development of MoNbVTax refractory high entropy alloy with high strength at elevated temperature

W Zheng, S Lü, S Wu, X Chen, W Guo - Materials Science and Engineering …, 2022 - Elsevier
Due to a monolithic body-centered cubic solid solution structure, refractory high-entropy
alloys (HEA) always exhibit high strength and good softening resistance at both ambient and …

A novel high-entropy alloy with exceptional strength and elongation via bimodal grains and lamellar nano-precipitates

Z Wang, J Li, Y Yang, L Pang, M Liu, H Li, Q Liu… - Materials Science and …, 2023 - Elsevier
This study presents a new effective approach for enhanced mechanical properties of the
high-entropy alloy (HEA) Al 7.3 Co 21.3 Cr 10.7 Ti 4.9 Fe 21.3 Ni 32.0 Cu 2.5 obtained by …

Studies on high-temperature stability and strengthening mechanisms of high/medium-entropy alloys for potential nuclear applications: The case of FeCrV-based alloys

Z Cheng, J Cui, D Chen, X Gao, J Ren, T Wang… - Materials Science and …, 2023 - Elsevier
High-temperature stability and strengthening mechanisms of high/medium-entropy alloys
(HEAs/MEAs) have been studied for Ti-added FeCrV-based MEAs. Experimental results …