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US 12,753,314 B2Granted
Co-curable and co-cured UV/visible light-resistant lightning strike protection material for composite material assemblies
AssigneeThe Boeing Company
InventorsMelinda D. Miller, Patrice K. Ackerman, Jason A. Bolles
Life of this patent
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Abstract
Co-curable and co-cured UV/visible light-resistant composite material assemblies comprising a co-curable UV/visible light-resistant lightning strike protection layer are disclosed that can facilitate and streamline manufacture of composite material assemblies and sub-assemblies, including exterior assemblies and sub-assemblies for aircraft, vehicles, and objects exposed to electromagnetic effects including lightning strikes.
Claims27
A co-curable UV/visible light-resistant lightning strike protection composite material assembly comprising:
- a co-curable composite material substrate, said co-curable composite material substrate comprising a co-curable composite material substrate first side and a co-curable composite material substrate second side;
- a co-curable UV/visible light-resistant lightning strike protection layer;
- a second co-curable UV/visible light-resistant single ply layer, said second co-curable UV/visible light-resistant single ply layer comprising a second co-curable UV/visible light-resistant layer first side and a second co-curable UV/visible light-resistant layer second side, said second co-curable UV/visible light-resistant single ply layer comprising at least one of fiberglass fibers, carbon fibers, polyester fibers, aramid fibers, boron fibers, quartz, and combinations thereof;
- wherein the co-curable composite material substrate first side is in direct contact with the second co-curable UV/visible light-resistant single ply layer;
- wherein the co-curable composite material substrate is co-curable with the co-curable UV/visible light-resistant lightning strike protection layer and is further co-curable with the second co-curable UV/visible light-resistant single ply layer at a temperature ranging from about 250° F. to about 370° F.;
- wherein the co-curable UV/visible light-resistant lightning strike protection layer and the second co-curable UV/visible light-resistant single ply layer both have a UV/visible light transmittance value ranging from about 0% to about 20% UV/visible light transmittance for UV/visible light wavelengths ranging from about 200 nm to about 800 nm when the co-cured UV/visible light-resistant lightning strike protection layer and the second co-curable UV/visible light-resistant single ply layer each comprise an average thickness ranging from about 2 mils to about 6 mils;
- wherein the co-cured UV/visible light-resistant lightning strike protection layer comprises an electrical conductivity ranging from 2×107 Siemens/meter to 6.4×107 Siemens/meter;
- wherein the second co-curable UV/visible light-resistant-single ply layer completely covers the co-curable composite material substrate first side;
- wherein the second co-curable UV/visible light-resistant-single ply layer in combination with the co-curable UV/visible light-resistant lightning strike protection layer are together solely responsible for imparting 100% of the UV/visible light-resistance to the co-curable UV/visible light-resistant composite material assembly;
- and
- wherein, in combination, the co-curable composite material substrate, the co-curable UV/visible light-resistant lightning strike protection layer, and the second co-curable UV/visible light-resistant single ply layer are configured to form the co-curable UV/visible light-resistant lightning strike protection composite material assembly.
8 more elements
A co-cured UV/visible light-resistant lightning strike protection composite material assembly comprising:
- a co-cured composite material substrate, said co-cured composite material substrate comprising a co-cured composite material substrate first side and a co-cured composite material substrate second side;
- a second co-cured UV/visible light-resistant single ply layer, said second co-cured UV/visible light-resistant single ply layer comprising a second co-cured UV/visible light-resistant layer first side and a second co-cured UV/visible light-resistant layer second side, said second co-cured UV/visible light-resistant single ply layer comprising at least one of fiberglass fibers, carbon fibers, polyester fibers, aramid fibers, boron fibers, quartz, and combinations thereof;
- a co-cured UV/visible light-resistant lightning strike protection layer disposed onto the second co-cured UV/visible light-resistant layer first side;
- wherein the second co-cured UV/visible light-resistant single ply layer directly contacts and completely covers the co-curable composite material substrate first side;
- wherein the co-cured UV/visible light-resistant lightning strike protection layer and the second co-cured UV/visible light-resistant single ply layer both have a UV/visible light transmittance value ranging from about 0% to about 20% UV/visible light transmittance for UV/visible light wavelengths ranging from about 200 nm to about 800 nm when each of the co-cured UV/visible light-resistant lightning strike protection layer and the second co-cured UV/visible light-resistant single ply layer each comprise an average thickness ranging from about 2 mils to about 6 mils;
- wherein said co-cured UV/visible light-resistant lightning strike protection layer in combination with the second co-cured UV/visible light-resistant single ply layer exclusively imparts 100% of the UV/visible light protection to the co-cured UV/visible light-resistant lightning strike protection composite material assembly;
- wherein the co-cured UV/visible light-resistant lightning strike protection layer comprises an electrical conductivity ranging from 2×107 Siemens/meter to 6.4×107 Siemens/meter;
- and
- wherein, in combination, the co-cured composite material substrate, the co-cured UV/visible light-resistant lightning strike protection layer, and the second co-cured UV/visible light-resistant single ply layer are configured to form the co-cured UV/visible light-resistant lightning strike protection composite material assembly.
6 more elements
A method of making a co-curable UV/visible light-resistant lightning strike protection composite material assembly, the method comprising:
- providing a co-curable composite material substrate, said co-curable composite material substrate comprising a co-curable composite material substrate first side and a co-curable composite material substrate second side;
- disposing a second co-curable UV/visible light-resistant single ply layer onto the co-curable composite material substrate first side, said second co-curable UV/visible light-resistant single ply layer comprising a second co-curable UV/visible light-resistant layer first side and a second co-curable UV/visible light-resistant layer second side, said second co-curable UV/visible light-resistant single ply layer comprising at least one of fiberglass fibers, carbon fibers, polyester fibers, aramid fibers, boron fibers, quartz, and combinations thereof;
- disposing a co-curable UV/visible light-resistant lightning strike protection layer immediately adjacent to the second co-curable UV/visible light layer first side, said co-curable UV/visible light-resistant lightning strike protection layer comprising at least one of fiberglass fibers, carbon fibers, polyester fibers, aramid fibers, boron fibers, quartz, and combinations thereof to form the co-curable composite UV/visible light-resistant lightning strike protection material lightning strike protection assembly;
- wherein the co-curable composite material substrate is co-curable with both the co-curable UV/visible light-resistant lightning strike protection layer and the second co-curable UV/visible light-resistant single ply layer at a temperature ranging from about 250° F. to about 370° F.;
- wherein the co-curable UV/visible light-resistant lightning strike protection layer and the second co-curable UV/visible light-resistant single ply layer each have a UV/visible light transmittance value ranging from about 0% to about 20% UV/visible light transmittance for UV/visible light wavelengths ranging from about 200 nm to about 800 nm when each of the co-cured UV/visible light-resistant lightning strike protection layer and the second co-curable UV/visible light-resistant single ply layer comprises an average thickness ranging from about 2 mils to about 6 mils;
- wherein the co-curable UV/visible light-resistant lightning strike protection layer comprises an electrical conductivity ranging from 2×107 Siemens/meter to 6.4×107 Siemens/meter;
- wherein the second co-curable UV/visible light-resistant-single ply layer completely covers the co-curable composite material substrate first side;
- and
- wherein the second co-curable UV/visible light-resistant-single ply layer in combination with the co-curable UV/visible light-resistant lightning strike protection single ply layer is solely responsible for imparting 100% of the UV/visible light-resistance to the co-curable UV/visible light-resistant lightning strike protection composite material assembly.
6 more elements
A method of making a co-cured UV/visible light-resistant lightning strike protection composite material assembly, said method comprising:
- providing a co-curable composite material substrate, said co-curable composite material substrate comprising a co-curable composite material substrate first side and a co-curable composite material substrate second side;
- disposing a second co-curable UV/visible light-resistant single ply layer onto the co-curable composite material substrate first side, said second co-curable UV/visible light-resistant single ply layer comprising a second co-curable UV/visible light-resistant layer first side and a second co-curable UV/visible light-resistant layer second side, said second co-curable UV/visible light-resistant single ply layer comprising at least one of fiberglass fibers, carbon fibers, polyester fibers, aramid fibers, boron fibers, quartz, and combinations thereof,
- disposing a co-curable UV/visible light-resistant lightning strike protection layer immediately adjacent to the second co-curable UV/visible light-resistant layer first side, said co-curable UV/visible light-resistant lightning strike protection layer comprising at least one of fiberglass fibers, carbon fibers, polyester fibers, aramid fibers, boron fibers, quartz, and combinations thereof to form the co-curable UV/visible light-resistant lightning strike protection composite material assembly;
- co-curing the co-curable composite material substrate, the co-curable UV/visible light-resistant lightning strike protection layer, and the second co-curable UV/visible light-resistant single ply layer at a temperature ranging from about 250° F. to about 370° F. to form the co-cured UV/visible light-resistant lightning strike protection composite material assembly;
- and
- wherein each of the co-cured UV/visible light-resistant lightning strike protection layer and the second co-curable UV/visible light-resistant single ply layer has a UV/visible light transmittance value ranging from about 0% to about 20% UV/visible light transmittance for UV/visible light wavelengths ranging from about 200 nm to about 800 nm when each of the co-cured UV/visible light-resistant lightning strike protection layer and the second co-curable UV/visible light-resistant single ply layer comprises an average thickness ranging from about 2 mils to about 6 mils;
- wherein the co-cured UV/visible light-resistant lightning strike protection layer comprises an electrical conductivity ranging from 2×107 Siemens/meter to 6.4×107 Siemens/meter;
- wherein the second co-cured UV/visible light-resistant-single ply layer completely covers the co-cured composite material substrate first side;
- and
- wherein the second co-cured UV/visible light-resistant-single ply layer in combination with the co-cured UV/visible light-resistant lightning strike protection layer is solely responsible for imparting 100% of the UV/visible light-resistance to the co-cured UV/visible light-resistant lightning strike protection composite material assembly.
7 more elements
Dependencies are inferred from the claim text.