A kind of skin forming method of graphene wave-absorbing composite material
A composite material and molding method technology, applied in the field of aerospace material manufacturing, can solve the problems of application, no liquid molding technology, less wave absorbing skin, etc., to improve the wave absorbing strength, improve the interface bonding performance, molding processability and The effect of improving the absorbing performance
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Embodiment 1
[0037] The present embodiment provides a method for forming a graphene wave-absorbing composite material skin, comprising the following steps:
[0038] (1) Graphene laminate preparation: flatly lay the cut graphene single-layer film on the viscous toughened resin film, and after one side is covered, also lay on the other side of the graphene film Resin film of the same material. After the coating is completed, keep the backing paper on both sides of the resin film, and cut them into corresponding sizes for future use.
[0039] (2) Lay-up of skin preforms: The graphene laminates and the carbon fiber preforms are alternately laminated. After the lamination is completed, vacuum bags are used to seal the bags, and then heat and pre-compact after vacuuming. After the above steps are completed, the quartz fiber preform and the toughened resin film used above are alternately laid on the surface of one side of the preform to form a wave-transmitting layer. After completing the above...
Embodiment 2
[0043] On the basis of the above-mentioned embodiment, this embodiment further defines that in the step (1), the specific process of preparing the graphene laminate with layability is as follows:
[0044] (1.1) Take a graphene single-layer film with a suitable thickness and cut it into a suitable size;
[0045] (1.2) At room temperature, lay it flat on the viscous toughened resin film;
[0046] (1.3) After the coating is completed, a viscous toughened resin film of the same material is also laid on the other side of the graphene film;
[0047] (1.4) After the laying is completed, keep the backing paper on both sides of the resin film to obtain a layable graphene laminate. The other parts of this embodiment are the same as the above-mentioned embodiments, and are not repeated here.
Embodiment 3
[0049] On the basis of the above-mentioned embodiments, this embodiment further defines that in the step (1.1), the thickness of the obtained graphene single-layer film is 0.1 mm, and it is cut into a 1000*1000 mm cube film. The other parts of this embodiment are the same as the above-mentioned embodiments, and are not repeated here.
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