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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