Lightweight high-temperature-resistant lightning-proof composite board and forming method

Abstract

The invention discloses a lightweight high-temperature-resistant lightning-proof composite board and a forming method. The lightweight high-temperature-resistant lightning-proof composite board comprises two layers of upper panels and two layers of lower panels which are laid in a balanced and symmetrical sequence according to a laying proportion of [(+45, -45)/(0, 90)]S; the upper panel on the outermost layer and the lower panel on the outermost layer are each provided with a layer of a lightning-proof copper net adhesive film; and each lightning-proof copper net adhesive film is formed by compounding a copper net and an adhesive film. The formed composite board provided by the invention is light in weight, good in lightning-proof performance, excellent in corrosion resistance and manufacturability and capable of meeting the requirements of aviation products.

Description

technical field [0001] The invention belongs to the field of material technology, and in particular relates to a light-weight, high-temperature-resistant and lightning-proof composite plate and a forming method. Background technique [0002] The light-weight high-temperature-resistant and lightning-proof plate has obvious effects on realizing the multiple functions of the material and reducing the weight of the structure. At present, the domestic construction industry widely uses lightning protection plates composed of metal protective nets and flame sprayed aluminum, and their weight and thickness are not suitable for their requirements for weight reduction and structural size. In the domestic aviation field, plates made of carbon fiber composite materials, metal mesh, and film are widely used, or lightning protection methods such as flame spraying aluminum are used on the surface of the parts. The disadvantages are: 1. Heavy weight and high cost. The density of metal alum...

AI Technical Summary

Problems solved by technology

In the domestic aviation field, carbon fiber composite materials, metal mesh, and film composite plates are widely used, or lightning protection methods such as flame spraying aluminum are used on the surface of the parts. The disadvantages are: 1. Heavy weight and high cost

The density of metal aluminum mesh and adhesive film is relatively high, and the thickness of flame sprayed aluminum protective layer is relatively large, resulting in a large increase in structural weight; in addition, the mixing process is complicated; special equipment is required for heating and vulcanization, resulting in high cost

2. The process is complex and easy to deform

It is necessary to manually cover the metal mesh and film, lay the insulating glass cloth layer, flame spray the aluminum, apply the sealing agent, and apply the ground paint. The net is easy to wrinkle, deform, or even break

3. Poor corrosion resistance and lightning protection

Due to the need for surface treatment, the bonding force is not good, and it needs to be glued, which is easy to corrode, and the lightning protection effect is poor

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