Cavity sealing

The invention relates to cavity sealing. A method of sealing one or more openings provided in a wall of an aerofoil for a gas turbine engine is provided, the aerofoil comprising at least one cavity which is at least partly filled with a vibration damping material. The method comprises the steps to provide a metallic material onto the wall of the aerofoil in order to cover the opening and bond themetallic material to the wall of the aerofoil to seal the opening. 本发明涉及腔密封。种密封设置在用于燃气涡轮发动机的翼型的壁中的个或多个开口的方法，该翼型包括至少部分地填充有振动阻尼材料的至少个腔，该方法包括将金属材料提供到所述翼型的所述壁上以便覆盖所述开口以及将所述金属材料结合到所述翼型的所述壁以密封所述开口的步骤。