Abstract
In this study, practical recommendations for the production of aluminum coatings by the cold gas-dynamic spraying method (CGDS), as well as for the methods of aluminum coating strengthening by a ceramic component with the formation of a gradient structure, have been developed. The resulting ceramic-metal coatings have the following key optimization parameters: high adhesive strength (more than 70 MPa), high Vickers hardness (more than 480 MPa), and low porosity (less than 0.5%). These functionally graded coatings can be used to protect the elements and assemblies of machine-building equipment from wear.
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Funding
The research was supported by the Russian Science Foundation, project no. 22-29-00800. The experimental studies were carried out using the equipment of the Center for Collective Use “Composition, Structure, and Properties of Structural and Functional Materials” at the National Research Center Kurchatov Institute, Prometei Central Scientific Research Institute, and supported by the Ministry of Science and Higher Education according to agreement no. 13.TsKP.21.0014 (075-11-2021-068). The unique identification number is RF-2296.61321X0014.
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Translated by M. Astrov
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Markov, M.A., Gerashchenkov, D.A., Kravchenko, I.N. et al. Study of the Method to Obtain Aluminum Coatings Modified by Aluminum Oxide. J. Mach. Manuf. Reliab. 52, 69–78 (2023). https://doi.org/10.3103/S1052618823010090
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DOI: https://doi.org/10.3103/S1052618823010090