Application of new technologies in the production of helicopter main rotor blades

Barannikov A.A., Postnova M.V., Krasheninnikova E.V., Vasyukov A.N.
UDC
678.8
DOI
10.18577/2307-6046-2021-0-11-91-102
Article PDF (Russian) (1.08 MB)
How to cite
Barannikov A.A., Postnova M.V., Krasheninnikova E.V., Vasyukov A.N. Application of new technologies in the production of helicopter main rotor blades // Proceedings of VIAM. 2021. No. 11. DOI: 10.18577/2307-6046-2021-0-11-91-102. URL: https://test.viam.ru/en/journal/2021/11/9
Keywords
fiberglass, kevlar, flaking resistance, helicopter main rotor blade, adhesive joint, atmospheric pressure plasma.
Abstract

The paper considers the use of atmospheric pressure plasma (APP) treatment as a method for surface preparation of fiberglass of the VPS-53K brand in the manufacture of the main rotor blades of a helicopter of the «Mi» family. It was found that APP treatment increases the strength of the «spar–sheathing» adhesive bond (fiberglass grade VPS-53K), and also that there is a decrease in the bond strength in the presence of a temporary gap (one month) between the processing of the APP sheathing and the gluing operation, which requires additional research.

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