Laminated fiber metal composite

Patent metadata

Field	Value
Publication number	US-9409354-B2
Application number	US-201414164783-A
Country	US
Kind code	B2
Filing date	Jan 27, 2014
Priority date	Aug 27, 2003
Publication date	Aug 9, 2016
Grant date	Aug 9, 2016

Abstract

A method comprises laying up a fiber ply of reinforcing fibers and a metal foil layer in a full face-to-face relation. The fibers in the fiber ply are oriented in a single direction. The metal foil layer includes a plurality of metal foil strips separated by gaps. The metal foil layer has substantially the same length and width as the fiber ply. The method further comprises infusing resin into the layup, wherein the resin flows through the gaps and infuses into the fibers.

First claim

The invention claimed is:

1. A method comprising:
laying up a fiber ply of reinforcing fibers and a metal foil layer in a full face-to-face relation, the fibers in the fiber ply oriented in a single direction, the metal foil layer including a plurality of imperforate metal foil strips separated by gaps, the metal foil layer having substantially the same length and width as the fiber ply; and
infusing resin into the layup, wherein the resin flows through the gaps and infuses into the fibers.

2. The method of claim 1 , further comprising curing the resin-infused layup to form a fiber-metal laminate including both the reinforcing fibers and the metal foil layer.

3. The method of claim 1 , wherein the metal foil strips are generally parallel.

4. The method of claim 1 , wherein each of the metal foil strips has a width between about 0.125 inches and about 2.0 inches.

5. The method of claim 1 , wherein the metal foil strips have different sizes and shapes.

6. The method of claim 1 , further comprising laying up a second fiber ply, wherein the metal foil layer is between the fiber plies.

7. The method of claim 1 , further comprising laying up a second metal foil layer, wherein the fiber ply is positioned between the metal foil layers.

8. The method of claim 7 , wherein the second metal foil layer includes metal foil strips separated by gaps.

9. The method of claim 7 , wherein the second foil layer is non-perforated.

10. The method of claim 1 , further comprising weaving a plurality of glass fibers around at least one of the strips to control the gaps between the strips and to control the position of the strips.

11. The method of claim 1 , wherein the metal foil layer reduces resin starved regions in the layup during resin infusion.

12. A method comprising:
laying up a fiber ply of reinforcing fibers and a metal foil layer n a full face-to-face relation, the fibers in the fiber ply oriented in a single direction, the metal foil layer including a plurality of metal foil strips separated by gaps having a width between about 0.01 inches and about 0.05 inches, the metal foil layer having substantially the same length and width as the fiber ply; and
infusing resin into the layup, wherein the resin flows through the gaps and infuses into the fibers.

Assignees

• Boeing Co

Inventors

• Albers Robert G
• Woods Jack A

Classifications

• B29C70/885

  with incorporated metallic wires, nets, films or plates (as lost heating elements B29C35/0272, B29C61/0625) · CPC title

• B32B2038/047

  Perforating · CPC title

• B29C70/545 Primary

  Perforating, cutting or machining during or after moulding · CPC title

• Y10T156/1062

  Prior to assembly · CPC title

• Y10T156/1052

  with cutting, punching, tearing or severing · CPC title