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Coating of a Multicomponent System Al–Cr–Ni–Co–Fe on a Steel Substrate Obtained by Laser

  • FUNCTIONAL MATERIALS
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Inorganic Materials: Applied Research Aims and scope

Abstract—In recent years, the unique physical and mechanical properties of high-entropy alloys (HEAs) have been the subject of increased attention of researchers. The study of the thermodynamic characteristics of such materials may be of interest for formulating the principles of the formation of structures with the required functional characteristics. Since the processes of structure and phase formation, as well as the diffusion mobility of atoms, the mechanism for the formation of mechanical properties, and thermal stability, differ significantly from similar processes in traditional alloys, HEAs are singled out into a special group of materials. The article presents a brief overview of the results of obtaining a high-entropy alloy by the combined method. At the first stage, a precursor layer was deposited by cold gas dynamic spraying (CGDS), and at the second stage, it was subjected to high-energy action using a laser. An alloy of the Al–Cr–Ni–Co–Fe type has been studied. By varying the ratio of the components, it was possible to obtain an almost equimolar composition for this system. A prediction of properties and structure is made on the basis of the phase composition of the system.

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ACKNOWLEDGMENTS

Experimental studies were performed on the equipment of the Center for Collective Use Composition, Structure, and Properties of Structural and Functional Materials of the National Research Center Kurchatov Institute—CRISM Prometey.

Funding

This study was funded by the Russian Foundation for Basic Research and Rosatom within the scope of research project no. 20-21-00024.

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Authors and Affiliations

  1. National Research Center Kurchatov Institute–CRISM Prometey, 191015, St. Petersburg, Russia

    D. A. Gerashchenkov & R. Yu. Bystrov

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  1. D. A. Gerashchenkov
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  2. R. Yu. Bystrov
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Correspondence to D. A. Gerashchenkov.

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Translated by K. Gumerov

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Gerashchenkov, D.A., Bystrov, R.Y. Coating of a Multicomponent System Al–Cr–Ni–Co–Fe on a Steel Substrate Obtained by Laser. Inorg. Mater. Appl. Res. 13, 1569–1574 (2022). https://doi.org/10.1134/S2075113322060065

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  • DOI: https://doi.org/10.1134/S2075113322060065

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