Study of the Method to Obtain Aluminum Coatings Modified by Aluminum Oxide

M. A. Markov; Марков М. А.; D. A. Gerashchenkov; Геращенков Д. А.; I. N. Kravchenko; Кравченко И. Н.; Yu. A. Kuznetsov; Кузнецов Ю. А.; A. D. Bykova; Быкова А. Д.; A. N. Belyakov; Беляков А. Н.; S. K. Toygambaev; Тойгамбаев С. К.

doi:10.31857/S0235711923010091

Study of the Method to Obtain Aluminum Coatings Modified by Aluminum Oxide

Authors: Markov M.A.¹, Gerashchenkov D.A.¹, Kravchenko I.N.², Kuznetsov Y.A.³, Bykova A.D.¹, Belyakov A.N.¹, Toygambaev S.K.⁴
Affiliations:
1. St. Petersburg State Technological Institute (Technical University), St. Petersburg, Russia
2. Mechanical Engineering Research Institute of the Russian Academy of Sciences, Moscow, Russia
3. Orel State Agrarian University, Orel, Russia
4. Russian State Agrarian University–K.A. Timiryazev Agricultural Academy, Moscow, Russia
Issue: No 1 (2023)
Pages: 86-96
Section: НОВЫЕ ТЕХНОЛОГИИ В МАШИНОСТРОЕНИИ
URL: https://ruspoj.com/0235-7119/article/view/675682
DOI: https://doi.org/10.31857/S0235711923010091
EDN: https://elibrary.ru/ASZBJC
ID: 675682

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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.

Keywords

aluminum coating, cold gas-dynamic spraying, coating reinforcement, adhesion

References

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