METHOD OF REPAIR OF BLADE MADE FROM COMPOSITE MATERIAL AND PROVIDED WITH PROTECTED EDGE Russian patent published in 2001 - IPC

FIELD: manufacture and repair of blades of gas- turbine engines, propellers, helicopter blades, rotors and hydrofoils in shipbuilding. SUBSTANCE: method consists in removal of part of blade, cleaning of surface, manufacture of new member whose sizes and shape correspond to these of removed part. Then, surfaces of blade and new member are matched and blade and new member are connected. New member is made in form of perforated cover plate. Then, adhesive is applied on surfaces of blade and new member, adhesive is forced into perforations, thus filling them and forming polymer antierosion coat. EFFECT: extended service life of damaged blade at retained strength. 7 cl, 5 dwg