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Volume 12
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10.3390/met12030501
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Review

Recent Progress with BCC-Structured High-Entropy Alloys

by
Fangfei Liu
1,2,
Peter K. Liaw
3 and
Yong Zhang
1,4,*
1
Beijing Advanced Innovation Center of Materials Genome Engineering, State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China
2
Dongguan Eontec Co., Ltd., Dongguan 523662, China
3
Department of Materials Science and Engineering, The University of Tennessee, Knoxville, TN 37996, USA
4
Shunde Graduate School, University of Science and Technology Beijing, Foshan 528399, China
*
Author to whom correspondence should be addressed.
Metals 2022, 12(3), 501; https://doi.org/10.3390/met12030501
Submission received: 29 January 2022 / Revised: 14 March 2022 / Accepted: 14 March 2022 / Published: 16 March 2022
(This article belongs to the Special Issue Amorphous and High-Entropy Alloy Coatings)
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Abstract

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 mixing entropy. In this paper, we systematically review the mechanical behaviors and properties (such as oxidation and corrosion) of BCC-structured HEAs. The mechanical properties at room temperature and high temperatures of samples prepared by different processes (including vacuum arc-melting, powder sintering and additive manufacturing) are compared, and the effect of alloying on the mechanical properties is analyzed. In addition, the effects of HEA preparation and compositional regulation on corrosion resistance, and the application of high-throughput techniques in the field of HEAs, are discussed. To conclude, alloy development for BCC-structured HEAs is summarized.
Keywords: high-entropy alloys; BCC structure; refractory high-entropy alloy high-entropy alloys; BCC structure; refractory high-entropy alloy

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MDPI and ACS Style

Liu, F.; Liaw, P.K.; Zhang, Y. Recent Progress with BCC-Structured High-Entropy Alloys. Metals 2022, 12, 501. https://doi.org/10.3390/met12030501

AMA Style

Liu F, Liaw PK, Zhang Y. Recent Progress with BCC-Structured High-Entropy Alloys. Metals. 2022; 12(3):501. https://doi.org/10.3390/met12030501

Chicago/Turabian Style

Liu, Fangfei, Peter K. Liaw, and Yong Zhang. 2022. "Recent Progress with BCC-Structured High-Entropy Alloys" Metals 12, no. 3: 501. https://doi.org/10.3390/met12030501

APA Style

Liu, F., Liaw, P. K., & Zhang, Y. (2022). Recent Progress with BCC-Structured High-Entropy Alloys. Metals, 12(3), 501. https://doi.org/10.3390/met12030501

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