Metallurgical aspects of high entropy alloys

SS Nene, S Sinha, DK Yadav, A Dutta - Journal of Alloys and Compounds, 2024 - Elsevier
Alloying traditionally enhances material properties by adding small amounts of secondary
elements to a primary base. Over the past decade and a half, a revolutionary strategy has …

Adaptable sublattice stabilized high-entropy materials with superior thermoelectric performance

H Gao, K Zhao, H Wuliji, M Zhu, B Xu, H Lin… - Energy & …, 2023 - pubs.rsc.org
High-entropy engineering is considered one of the most promising strategies in materials
science, including the field of thermoelectrics. However, the presence of multiple elements …

Periodic spinodal decomposition in double–strengthened medium–entropy alloy

H Park, F Haftlang, YU Heo, JB Seol, Z Wang… - Nature …, 2024 - nature.com
Achieving an optimal balance between strength and ductility in advanced engineering
materials has long been a challenge for researchers. In the field of material strengthening …

Characterization of the microscale/nanoscale hierarchical microstructure of an as-cast CrMnFeNiCu high-entropy alloy with promising mechanical properties

SH Shim, H Pouraliakbar, H Minouei, MS Rizi… - Journal of Alloys and …, 2023 - Elsevier
In this study, we investigated the evolution of a hierarchical multiphase structure in an as-
cast CrMnFeNiCu high-entropy alloy (HEA). Thermodynamic calculations were performed to …

Unraveling the two-stage precipitation mechanism in a hierarchical-structured fcc/L21 high-entropy alloy: Experiments and analytical modeling

W Li, W Wang, MC Niu, K Yang, JH Luan, HW Zhang… - Acta Materialia, 2024 - Elsevier
Understanding the phase stability and precipitation mechanisms is crucial for engineering
multiphase nanostructured alloys with optimal mechanical properties. In this work, we …

Fabrication of highly heterogeneous precipitate microstructure in an α/β titanium alloy

Y Jia, H Su, S Cao, R Shi, Y Ma, Q Wang, S Huang… - Acta Materialia, 2024 - Elsevier
To obtain a synergistic combination of high strength and high ductility in titanium alloys,
design and creation of heterogenous precipitate microstructure have attracted increasing …

[HTML][HTML] Unexpected spinodal decomposition in as-cast eutectic high entropy alloy Al30Co10Cr30Fe15Ni15

K Bai, CK Ng, M Lin, B Cheng, Y Zeng, D Wuu, JJ Lee… - Materials & Design, 2023 - Elsevier
By integrating calculation of phase diagram (CALPHAD) simulations, ab initio molecular
dynamics (AIMD) and experimental validation, we shed light on the unexpected spinodal …

Nanostructured High Entropy Alloys as Structural and Functional Materials

W Zhu, X Gao, Y Yao, S Hu, Z Li, Y Teng, H Wang… - ACS …, 2024 - ACS Publications
Since their introduction in 2004, high entropy alloys (HEAs) have attracted significant
attention due to their exceptional mechanical and functional properties. Advances in our …

Microstructure and mechanical property of Al, Ti co-adding L21-strengthened NiCrFe-based HEAs

H Xu, M Zhang, G Zhang, G Li, G Li - Materials Characterization, 2024 - Elsevier
In this study, leveraging on the machine learning, a novel high-strength Ni 100-xy Cr 25 Fe
25 Al x Ti y (x= 5, y= 5; x= 8, y= 7; x= 10, y= 10) high-entropy alloy (HEA) system was …

Tailoring microstructure and tensile properties of low-cost AlCrFeNi-based high-entropy alloys via Co and/or Ti addition

J Niu, Z Fu, W Chen, L Hao, W Xiong, T Lu… - Materials …, 2023 - Elsevier
Abstract Al-Cr-Fe-Ni high-entropy alloys (HEAs) have low cost but suffer from intrinsic
brittleness, leading existing research to concentrate on compressive properties. This study …