Nanoprecipitate‐strengthened high‐entropy alloys

L Liu, Y Zhang, J Han, X Wang, W Jiang… - Advanced …, 2021 - Wiley Online Library
Multicomponent high‐entropy alloys (HEAs) can be tuned to a simple phase with some
unique alloy characteristics. HEAs with body‐centered‐cubic (BCC) or hexagonal‐close …

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 …

High entropy alloy synthesis, characterisation, manufacturing & potential applications: a review

N Kaushik, A Meena, HS Mali - Materials and Manufacturing …, 2022 - Taylor & Francis
High entropy alloys (HEAs) are an emerging class of engineering materials with excellent
mechanical, thermal, chemical and electrical properties due to constituent alloying elements …

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 …

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 …

Combined strengthening from nanoprecipitates, stacking faults and nano-twins enables a strong and ductile medium-entropy alloy

B Li, K Ming, K Tu, Z Li, L Bai, S Zheng - Materials Science and …, 2023 - Elsevier
Single-phase face-centered cubic (fcc) alloys typically exhibit remarkable strain-hardening
capability and large ductility but possess low yield strength. Conventional strengthening …

[HTML][HTML] Cost-effective and facile route to ultrafine-microstructure high-entropy alloy for cryogenic applications

Y Yin, Q Tan, N Yang, X Chen, W Ren, L Liu… - Materials Science and …, 2023 - Elsevier
Industry applications of the current cryogenic high entropy alloys (HEAs) are limited by their
prohibitive costs, relatively low yield strength and unknown corrosion resistance. Here, we …

Achieving superior combined cryogenic strength and ductility in a high-entropy alloy via the synergy of low stacking fault energy and multiscale heterostructure

Z An, S Mao, C Jiang, Z Li, S Wu, Y Zhai, L Wang, Y Liu… - Scripta Materialia, 2024 - Elsevier
Abstract A Co 30 Cr 20 Fe 18 Mn 18 Ni 11 Si 3 high-entropy alloy (HEA) with low stacking
fault energy and high strengthen was designed based on the principle of heterostructure …

Heterogeneous precipitation strengthened non-equiatomic NiCoFeAlTi medium entropy alloy with excellent mechanical properties

ZY Jia, SZ Zhang, JT Huo, CJ Zhang, LW Zheng… - Materials Science and …, 2022 - Elsevier
The outstanding strength-ductility combination has always been a challenging problem in
the development of metal materials, high entropy alloys/medium entropy alloys …

Achieving ultra-high mechanical properties in metastable Co-free medium entropy alloy via hierarchically heterogeneous microstructure

Q Gao, X Zhang, S Feng, Z Han, C Chen… - Journal of Materials …, 2024 - Elsevier
A new metastable dual-phase Fe 59 Cr 13 Ni 18 Al 10 medium entropy alloy (MEA) with
hierarchically heterogeneous microstructure from micro-to nano-scale was designed in this …