Strategies for Achieving Strength–Ductility Synergy in Face‐Centered Cubic High‐and Medium‐Entropy Alloys

D Han, S Cai, W Sun, B Yang… - Advanced Engineering …, 2023 - Wiley Online Library
High‐and medium‐entropy alloys (HEAs/MEAs), also called as multicomponent alloys, are a
new class of materials that break through the traditional alloy design concept based on …

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 …

A new strategy to overcome the strength-ductility trade off of high entropy alloy

W Fu, H Li, Y Huang, Z Ning, J Sun - Scripta Materialia, 2022 - Elsevier
Here, a new strategy, ie, laser shock peening (LSP) followed by cyclic deep cryogenic
treatment (DCT), is proposed to generate the gradient hierarchical structures and thus …

Metalloid substitution elevates simultaneously the strength and ductility of face-centered-cubic high-entropy alloys

D Wei, L Wang, Y Zhang, W Gong, T Tsuru, I Lobzenko… - Acta Materialia, 2022 - Elsevier
Recently-developed high-entropy alloys (HEAs) containing multiple principal metallic
elements have extended the compositional space of solid solutions and the range of their …

Multiple minor elements improve strength-ductility synergy of a high-entropy alloy

S Zhu, K Gan, D Yan, L Han, P Wu, Z Li - Materials Science and …, 2022 - Elsevier
The developments of multicomponent high-entropy alloys usually put emphasis upon the
roles of multiple principal elements in optimizing the various properties. Instead of tuning the …

Mechanical properties and deformation mechanisms of heterostructured high-entropy and medium-entropy alloys: a review

W Jiang, Y Zhu, Y Zhao - Frontiers in Materials, 2022 - frontiersin.org
Recently, heterostructured (HS) materials, consisting of hard and soft zones with
dramatically different strengths, have been developed and received extensive attention …

Heterostructuring an equiatomic CoNiFe medium-entropy alloy for enhanced yield strength and ductility synergy

XX Ding, J Wang, D Liu, C Wang, P Jiang, H Qu… - Rare Metals, 2022 - Springer
Abstract High-/medium-entropy alloys (H/MEAs) of face-centered-cubic-structured single
phase usually suffer from a glaring drawback of low yield strength. Even worse, the trade-off …

A brief review of metastable high-entropy alloys with transformation-induced plasticity

H Yu, J Zhang, W Fang, R Chang… - Materials Science …, 2020 - journals.sagepub.com
In metastable high-entropy alloys (HEAs), the decrease of phase stability enables the
development of dual-phase microstructure (interface hardening) and occurrence of strain …

Development of strong and ductile metastable face-centered cubic single-phase high-entropy alloys

D Wei, X Li, S Schönecker, J Jiang, WM Choi, BJ Lee… - Acta Materialia, 2019 - Elsevier
Abstract Face-centered cubic (fcc)-phase high-entropy alloys (HEAs) have attracted much
academic interest, with the stacking fault energy (SFE) playing an important role in …

Micromechanical origin for the wide range of strength-ductility trade-off in metastable high entropy alloys

Z Lyu, Z Li, T Sasaki, Y Gao, K An, Y Chen, D Yu… - Scripta Materialia, 2023 - Elsevier
Through different annealing temperatures and times, it is reported here that interstitial
metastable high entropy alloys (HEAs) can exhibit a wide range of strength-ductility trade …