Excellent strength-ductility synergy and corrosion resistance in a metastable high entropy alloy via heterogeneous structure design

K Lu, J Li, Y Wang, X Ma - Journal of Alloys and Compounds, 2023 - Elsevier
For metastable high entropy alloys (HEAs), the balance between mechanical properties and
corrosion resistance is rarely achieved. Here, metastable HEAs with a heterogeneous …

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 …

Simultaneously enhancing strength–ductility synergy in refractory high entropy alloys by a heterogeneous structure design

YJ Du, SM Xu, F Wang, JL Li, GD Wen, JT Xiong… - Journal of Alloys and …, 2024 - Elsevier
Improvement in the strength of metallic materials is often achieved at the expense of material
ductility; this long-standing conflict is referred to as the strength–ductility trade-off. In this …

Aged metastable high-entropy alloys with heterogeneous lamella structure for superior strength-ductility synergy

C Zhang, C Zhu, P Cao, X Wang, F Ye, K Kaufmann… - Acta Materialia, 2020 - Elsevier
High-entropy alloys containing multi-principal-element systems significantly expand the
potential alloy design space, and offer the possibility of overcoming the strength-ductility …

Achieving exceptional strength-ductility synergy in a dual-phase high entropy alloy via architected complex microstructures

L Liu, Y Zhang, Z Zhang, Z Wang, L Sun - Materials Science and …, 2023 - Elsevier
In this work, the exceptional strength-ductility synergy of a dual-phase high entropy alloy
(HEA) is achieved by architecting complex microstructures. The HEA rolled at 700° C shows …

Recrystallized hard zone and resultant tri-modal microstructure produces superior mechanical properties in a single-phase heterostructured high-entropy alloy

SY Tung, TE Hsu, Y Zhu, MH Tsai - Acta Materialia, 2024 - Elsevier
Heterostructured high-entropy alloys (HS-HEAs) integrate two innovative concepts in
metallic materials that encompass alloy design and microstructural engineering. HS-HEAs …

Heterogeneous‐Structured Refractory High‐Entropy Alloys: A Review of State‐of‐the‐Art Developments and Trends

D Xu, X Wang, Y Lu - Advanced Functional Materials, 2024 - Wiley Online Library
Refractory high‐entropy alloys (RHEAs) inspire the development of novel high‐temperature
structural materials due to their outstanding resistance to softening and phase stability at …

Enhanced strength-ductility synergy in high-entropy alloys via architecting three-level gradient hierarchical nanostructure

L Zeng, L Zeng, P Xu, W Liu, T Liang, W Li… - Materials Science and …, 2023 - Elsevier
Gradient microstructural design represents a new strategy for enhancing strength-ductility
synergy of high/medium entropy alloys (H/MEAs). However, most of the reported gradient …

Strain partitioning enables excellent tensile ductility in precipitated heterogeneous high-entropy alloys with gigapascal yield strength

F He, Z Yang, S Liu, D Chen, W Lin, T Yang… - International Journal of …, 2021 - Elsevier
High entropy alloys (HEAs) with grain-scale heterogeneous structure and coherent
precipitates have shown gigapascal strength and considerable ductility. However, the …

Recent progress with BCC-structured high-entropy alloys

F Liu, PK Liaw, Y Zhang - Metals, 2022 - mdpi.com
High-entropy alloys (HEAs) prefer to form single-phase solid solutions (body-centered cubic
(BCC), face-centered cubic (FCC), or hexagonal closed-packed (HCP)) due to their high …