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Updated: Jun 20, 2026
08:58
Processing of Bulk Nanocrystalline Metals at the US Army Research Laboratory
Published on: March 7, 2018
Nanoscale Tailoring of Bulk High Entropy Alloys for Structural and Functional Applications
Mengchao Niu1,2, Juntong Song1,2, Gang Liu1,2
1Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, China.
Small (Weinheim an Der Bergstrasse, Germany)
|June 19, 2026
Summary
Nanoscale tailoring transforms high-entropy alloys (HEAs) into advanced materials with enhanced strength, ductility, and functionality. These engineered HEAs offer superior performance for demanding applications in aerospace and energy.
Area of Science:
- Materials Science
- Metallurgy
- Nanotechnology
Background:
- High-entropy alloys (HEAs) possess unique properties due to their complex compositions.
- Nanoscale modifications offer pathways to enhance HEA performance.
Purpose of the Study:
- To review strategies for nanoscale tailoring of bulk HEAs.
- To highlight advancements in structural and functional properties via nanostructuring.
- To discuss challenges and future directions in HEA research.
Main Methods:
- Grain refinement
- Hierarchical architecture design
- Precipitation strengthening
- Interface engineering
- In situ and operando characterization
- Multiscale modeling
- Machine learning-driven informatics
Main Results:
- Nanostructured HEAs demonstrate enhanced strength-ductility synergy.
- Tailored HEAs exhibit improved electrocatalytic, magnetic, and thermoelectric properties.
- Nanoscale design enhances radiation tolerance and thermal stability.
Conclusions:
- Nanoscale tailoring is crucial for unlocking the full potential of HEAs.
- Integrated characterization, modeling, and machine learning accelerate HEA discovery.
- Engineered HEAs are promising for extreme environments in aerospace, nuclear, and energy systems.
