A kind of foam skeleton reinforced polymer matrix composite material and preparation method thereof
A foam skeleton and composite material technology, applied in the field of foam skeleton reinforced polymer-based composite materials and their preparation, can effectively solve the problem that graphene is thin in thickness, small in volume, and difficult to achieve mechanical properties such as hardness, strength, thermal expansion coefficient, etc. of composite materials. control and other issues
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0052] Embodiment one: (diamond)
[0053] Foamed diamond skeleton reinforced epoxy resin composite material. In this example, copper foam with a pore size of 0.2 mm is used as the substrate. The foamed diamond reinforcement accounts for 20% of the volume fraction of the composite material. After cleaning, adopt magnetron sputtering technology to deposit a molybdenum film with a thickness of 50nm on the surface of the copper foam three-dimensional network skeleton as an intermediate transition layer according to step (2); then obtain a large amount of nanocrystals and microcrystals embedded in the middle of the mesh according to step (3). Foam skeleton substrate of diamond particles; step (4) adopts hot wire CVD to deposit diamond film, deposition process parameters: hot wire distance 6mm, substrate temperature 800°C, hot wire temperature 2200°C, deposition pressure 3KPa, CH 4 / H 2 The volume flow ratio is 1:99, and the thickness of the diamond film is controlled to be 160 μm,...
Embodiment 2
[0054] Embodiment two: (graphene wall)
[0055] Foamed graphene skeleton reinforced silicone rubber composite material, in this example, the porous ceramic alumina with a pore size of 2mm is used as the substrate, and the foamed graphene reinforcement accounts for 10% of the volume fraction of the composite material. The substrate is cleaned, and then a tungsten film with a thickness of 200nm is deposited on the surface of the foamed alumina three-dimensional network skeleton by magnetron sputtering according to step (2) as an intermediate transition layer; then a large amount of mosaic in the middle of the mesh is obtained according to step (3). The foam skeleton substrate of nanocrystalline and microcrystalline diamond particles; (4) use plasma-assisted chemical vapor deposition to grow graphene in situ on the substrate surface, apply plasma-assisted growth on the foam skeleton substrate during the deposition process, and Add a magnetic field at the bottom to confine the pla...
Embodiment 3
[0056] Embodiment three: (diamond coated with graphene)
[0057] Foamed diamond skeleton reinforced polymethyl methacrylate (PMMA) composite material. In this example, foamed nickel with a pore size of 0.3 mm is used as the substrate. The foamed diamond reinforcement accounts for 30% of the volume fraction of the composite material. First, according to step (1) The foamed copper three-dimensional network substrate is cleaned. First, the surface of the foamed nickel three-dimensional network substrate (aperture is 0.05 mm) is pretreated according to step (1), and then the foamed nickel three-dimensional network skeleton is deposited on the foamed nickel three-dimensional network by the method of evaporation according to step (2). Surface deposition thickness is the chromium film of 300nm as intermediate transition layer; Then according to step (3), obtain the foam skeleton substrate of a large amount of nanocrystals and microcrystalline diamond particles inlaid in the middle of th...
PUM
| Property | Measurement | Unit |
|---|---|---|
| thickness | aaaaa | aaaaa |
| thickness | aaaaa | aaaaa |
| thickness | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More