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 …

Low density Fe–Mn–Al–C steels: phase structures, mechanisms and properties

I Gutierrez-Urrutia - ISIJ International, 2021 - jstage.jst.go.jp
This review introduces the structural phases, microstructural characteristics, and the most
relevant room and cryogenic properties of low density Fe–Mn–Al–C steels. The combination …

Superior strength-ductility synergy and strain hardenability of Al/Ta co-doped NiCoCr twinned medium entropy alloy for cryogenic applications

DD Zhang, JY Zhang, J Kuang, G Liu, J Sun - Acta Materialia, 2021 - Elsevier
Metallic materials with outstanding cryogenic mechanical properties are highly demanded
for cryogenic engineering applications. Here we developed a novel (NiCoCr) 92 Al 6 Ta 2 …

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 …

Wear-resistant CoCrNi multi-principal element alloy at cryogenic temperature

Y Ren, Q Zhou, D Hua, Z Huang, Y Li, Q Jia… - Science Bulletin, 2024 - Elsevier
Traditional high strength engineering alloys suffer from serious surface brittleness and
inferior wear performance when servicing under sliding contact at cryogenic temperature …

Ultra-strong heavy-drawn eutectic high entropy alloy wire

JX Chen, T Li, Y Chen, FH Cao, HY Wang, LH Dai - Acta materialia, 2023 - Elsevier
Metallic wires with high strength-ductility at both room and cryogenic temperatures are
always pursued for engineering applications. However, traditional metallic wires are tortured …

Exceptional phase-transformation strengthening of ferrous medium-entropy alloys at cryogenic temperatures

JW Bae, JB Seol, J Moon, SS Sohn, MJ Jang, HY Um… - Acta Materialia, 2018 - Elsevier
High-entropy alloys (HEAs) are a newly emerging class of materials that show attractive
mechanical properties for structural applications. Particularly, face-centered cubic (fcc) …

Nanoparticles-strengthened high-entropy alloys for cryogenic applications showing an exceptional strength-ductility synergy

T Yang, YL Zhao, JH Luan, B Han, J Wei, JJ Kai, CT Liu - Scripta Materialia, 2019 - Elsevier
We designed a novel nanoparticles-strengthened high-entropy alloy, Ni 30 Co 30 Fe 13 Cr
15 Al 6 Ti 6, which exhibits excellent strength-ductility combinations at both ambient and …

Short-range order strengthening in boron-doped high-entropy alloys for cryogenic applications

JB Seol, JW Bae, JG Kim, H Sung, Z Li, HH Lee… - Acta Materialia, 2020 - Elsevier
Boron doping with an adequate concentration is highly desirable for alloy development
because it profoundly improves the material's interface cohesion via interfacial segregation …

Unraveling the deformation behavior of the Fe45Co25Ni10V20 high entropy alloy

YX Li, RK Nutor, QK Zhao, XP Zhang, QP Cao… - International Journal of …, 2023 - Elsevier
Here we report on the tensile deformation behavior of a face-centered cubic (FCC)-
structured Fe 45 Co 25 Ni 10 V 20 high-entropy alloy at cryogenic temperature (77 K). The …