Hot corrosion and protection of materials of gas turbine engines (review)

Zavarzin S.V., Oglodkov M.S., Chesnokov D.V., Kozlov I.A.
UDC
620.193+620.197
DOI
10.18577/2307-6046-2022-0-3-121-134
Article PDF (Russian) (891.81 KB)
How to cite
Zavarzin S.V., Oglodkov M.S., Chesnokov D.V., Kozlov I.A. Hot corrosion and protection of materials of gas turbine engines (review) // Proceedings of VIAM. 2022. No. 3. DOI: 10.18577/2307-6046-2022-0-3-121-134. URL: https://test.viam.ru/en/journal/2022/3/11
Keywords
high-temperature corrosion, hot corrosion, sulfide-oxide corrosion, sodium sulfate, sodium chloride, protective coatings, ion-plasma treatment
Abstract

In this paper, we consider the issues of the mechanism of hot corrosion. The analysis of modern methods of laboratory research of corrosion processes occurring at elevated temperatures is carried out. A significant part of the work is devoted to modern technology of protection against corrosion of metallic materials. The development of technologies for slurry, chemical, pyrochemical, electrochemical and sol-gel coatings, as well as methods of diffusion saturation of the surface, is relevant today. Nevertheless, the technology of ion-plasma treatment is the most effective method of applying protective coatings.

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