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Volume 15
Issue 2
10.3390/met15020136
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Review

Research Advances in Additively Manufactured High-Entropy Alloys: Microstructure, Mechanical Properties, and Corrosion Resistance

by
Feng Han
1,
Chunyang Li
1,
Jiqiang Huang
1,
Jiacai Wang
1,
Long Xue
1,
Caimei Wang
1 and
Yu Zhang
2,*
1
School of Mechanical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China
2
College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China
*
Author to whom correspondence should be addressed.
Metals 2025, 15(2), 136; https://doi.org/10.3390/met15020136
Submission received: 25 December 2024 / Revised: 22 January 2025 / Accepted: 26 January 2025 / Published: 29 January 2025
(This article belongs to the Special Issue Additive Manufacturing of Intermetallics: Process, Microstructures and Mechanical Properties)
Versions Notes

Abstract

High-entropy alloys have garnered significant attention due to their unique composition and exceptional properties. Additive manufacturing technology, with its distinctive processing methods, offers new options for the fabrication of high-entropy alloys. However, due to the diversity of high-entropy alloys and additive manufacturing technologies, it is imperative to provide a comprehensive overview of the high-entropy alloys produced using various additive manufacturing methods. This paper presents a summary of the microstructure, mechanical properties, and corrosion resistance of high-entropy alloys fabricated using different additive manufacturing techniques. This paper initially reviews the impact of various additive manufacturing process parameters and the influence of different elements on the microstructure of additively manufactured high-entropy alloys. Subsequently, it discusses the effects of different additive manufacturing techniques on mechanical properties and summarizes four strengthening mechanisms in additively manufactured high-entropy alloys. Additionally, the corrosion resistance of various additively manufactured high-entropy alloys is summarized. Finally, based on the review of additively manufactured high entropy alloys presented in this paper, the current challenges and future research directions are proposed.
Keywords: high-entropy alloy; additive manufacturing; microstructure; mechanical property; corrosion resistance high-entropy alloy; additive manufacturing; microstructure; mechanical property; corrosion resistance

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MDPI and ACS Style

Han, F.; Li, C.; Huang, J.; Wang, J.; Xue, L.; Wang, C.; Zhang, Y. Research Advances in Additively Manufactured High-Entropy Alloys: Microstructure, Mechanical Properties, and Corrosion Resistance. Metals 2025, 15, 136. https://doi.org/10.3390/met15020136

AMA Style

Han F, Li C, Huang J, Wang J, Xue L, Wang C, Zhang Y. Research Advances in Additively Manufactured High-Entropy Alloys: Microstructure, Mechanical Properties, and Corrosion Resistance. Metals. 2025; 15(2):136. https://doi.org/10.3390/met15020136

Chicago/Turabian Style

Han, Feng, Chunyang Li, Jiqiang Huang, Jiacai Wang, Long Xue, Caimei Wang, and Yu Zhang. 2025. "Research Advances in Additively Manufactured High-Entropy Alloys: Microstructure, Mechanical Properties, and Corrosion Resistance" Metals 15, no. 2: 136. https://doi.org/10.3390/met15020136

APA Style

Han, F., Li, C., Huang, J., Wang, J., Xue, L., Wang, C., & Zhang, Y. (2025). Research Advances in Additively Manufactured High-Entropy Alloys: Microstructure, Mechanical Properties, and Corrosion Resistance. Metals, 15(2), 136. https://doi.org/10.3390/met15020136

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