High-entropy alloys: a review of mechanical properties and deformation mechanisms at cryogenic temperatures

X Gao, R Chen, T Liu, H Fang, G Qin, Y Su… - Journal of Materials …, 2022‏ - Springer
High-entropy alloys (HEAs) are multi-component alloys with a novel designed concept.
These HEAs exhibit unique composition design and structural characteristics leading to …

On the work hardening capacity of high entropy alloys during low-temperature deformation: A review

H Hamdi, J Charkhchian, HR Abedi - Materials Science and Engineering: A, 2024‏ - Elsevier
This comprehensive review provides detailed information on the work-hardening capability
and unique deformation mechanisms of high-entropy alloys (HEAs) at low temperatures …

The B2 phase-driven microstructural heterogeneities and twinning enable ultrahigh cryogenic strength and large ductility in NiCoCr-based medium-entropy alloy

DD Zhang, JY Zhang, J Kuang, G Liu, J Sun - Acta Materialia, 2022‏ - Elsevier
In this work, we designed heterogeneous (NiCoCr) 88 Al 10 Ta 2 (at.%) duplex medium-
entropy alloy (MEA) comprising the face-centered-cubic (FCC) matrix and the B2 phase …

Si-addition contributes to overcoming the strength-ductility trade-off in high-entropy alloys

D Wei, W Gong, T Tsuru, I Lobzenko, X Li… - International Journal of …, 2022‏ - Elsevier
Face-centered cubic single-phase high-entropy alloys (HEAs) containing multi-principal
transition metals have attracted significant attention, exhibiting an unprecedented …

Competitive strengthening between dislocation slip and twinning in cast-wrought and additively manufactured CrCoNi medium entropy alloys

W Woo, YS Kim, HB Chae, SY Lee, JS Jeong, CM Lee… - Acta Materialia, 2023‏ - Elsevier
In situ neutron diffraction experiments have been performed under loading in cast-wrought
(CW) and additively manufactured (AM) equiatomic CoCrNi medium-entropy alloys. The …

Plastic deformation of single crystals of the equiatomic Cr-Fe-Co-Ni medium entropy alloy–A comparison with Cr-Mn-Fe-Co-Ni and Cr-Co-Ni alloys

L Li, Z Chen, K Yuge, K Kishida, H Inui… - International Journal of …, 2023‏ - Elsevier
The plastic deformation behavior of single crystals of the equiatomic Cr-Fe-Co-Ni medium-
entropy alloy was investigated in compression and tension from 9 K to 1373 K. The critical …

Mechanical behaviors of equiatomic and near-equiatomic face-centered-cubic phase high-entropy alloys probed using in situ neutron diffraction

D Wei, W Gong, T Tsuru, T Kawasaki, S Harjo… - International Journal of …, 2022‏ - Elsevier
Abstract The equiatomic CoCrFeMnNi Cantor alloy, a face-centered-cubic (FCC) single-
phase high-entropy alloy (HEA), has attracted considerable attention owing to its high …

Frontiers in high entropy alloys and high entropy functional materials

WT Zhang, XQ Wang, FQ Zhang, XY Cui, BB Fan… - Rare Metals, 2024‏ - Springer
Owing to their exceptional properties, high-entropy alloys (HEAs) and high-entropy materials
have emerged as promising research areas and shown diverse applications. Here, the …

Significantly enhanced mechanical properties of NiCoV medium-entropy alloy via precipitation engineering

J He, W Cai, N Li, L Wang, Z Wang, S Dai, Z Lei… - International Journal of …, 2024‏ - Elsevier
Precipitation engineering is one of the most effective means to enhance the strength of an
alloy, which essentially requires precipitates with certain deformability, fine size, and uniform …

Regulation of strength and ductility of single-phase twinning-induced plasticity high-entropy alloys

D Wei, W Gong, T Kawasaki, S Harjo, H Kato - Scripta Materialia, 2022‏ - Elsevier
Near-equiatomic single-phase twining-induced plasticity (TWIP) high-entropy alloys (HEAs)
exhibit a good combination of strength and ductility, but their modest yield strength requires …