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Metals 2017, 7(2), 43;

Corrosion-Resistant High-Entropy Alloys: A Review

1,3, 2,* and 3,*
State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China
Collaborative Innovation Center of Steel Technology, University of Science and Technology Beijing, Beijing 100083, China
Materials Science & Technology, The University of Tennessee, Knoxville, TN 37996, USA
Authors to whom correspondence should be addressed.
Academic Editors: Michael C. Gao and Junwei Qiao
Received: 30 December 2016 / Revised: 29 January 2017 / Accepted: 2 February 2017 / Published: 5 February 2017
(This article belongs to the Special Issue High-Entropy Alloys (HEAs))
PDF [2256 KB, uploaded 5 February 2017]


Corrosion destroys more than three percent of the world’s gross domestic product. Therefore, the design of highly corrosion-resistant materials is urgently needed. By breaking the classical alloy-design philosophy, high-entropy alloys (HEAs) possess unique microstructures, which are solid solutions with random arrangements of multiple elements. The particular locally-disordered chemical environment is expected to lead to unique corrosion-resistant properties. In this review, the studies of the corrosion-resistant HEAs during the last decade are summarized. The corrosion-resistant properties of HEAs in various aqueous environments and the corrosion behavior of HEA coatings are presented. The effects of environments, alloying elements, and processing methods on the corrosion resistance are analyzed in detail. Furthermore, the possible directions of future work regarding the corrosion behavior of HEAs are suggested. View Full-Text
Keywords: high-entropy alloy; corrosion resistance; coating; aqueous environment high-entropy alloy; corrosion resistance; coating; aqueous environment

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Shi, Y.; Yang, B.; Liaw, P.K. Corrosion-Resistant High-Entropy Alloys: A Review. Metals 2017, 7, 43.

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