Composite panel comprising a perforated metallic foil for lightning strike protection and perforated metallic foil

A composite panel (10) comprising a plurality of carbon plies (16), a perforated metallic foil (18) comprising several apertures (20)and being secured to the plurality of carbon plies (16), and a protective layer (19) made from resin secured to the metallic foil (18)with the perforated metallic foil (18) being embedded in the protective layer (19) through its apertures (20),a free surface of the protective layer forming a top side (11b) of the composite panel (10), the thickness of the protective layer (19) between the top side (11b) of the composite panel (10) and the perforated metallic foil(18) being at least15 micrometers and the perforated metallic foil (18) has a thickness of not more than 30 micrometers, the plurality of apertures (20) in the aggregate defining an open area of notmore than 40% of the surface area and the maximum distance between two opposed points in the perimeter of an aperture (20) being equal or less than 3mm. 披露了一种复合面板(10)，所述复合面板包括多个碳层(16)；穿孔金属箔片(18)，所述穿孔金属箔片包括若干孔口(20)并紧固至所述多个碳层(16