Carbon Fibre Aluminium Honeycomb
Carbon fiber aluminum honeycomb sandwich structure has high specific stiffness and strength and has been widely used in aerospace, aviation, navigation, and other fields. The skin material of the sandwich structure is generally composed of resin matrix and fiber reinforcement material. The curing temperature of the resin matrix material determines the temperature resistance of the skin material. For example, 5258 modified epoxy resin has a curing temperature of 180℃ can be used for a long time at a temperature of 130℃, and can withstand about 150℃ in the short term.
Structural composition
Mainly divided into three layers:
1. Upper and lower layers
The upper and lower layers of the carbon fiber honeycomb sandwich material are relatively thin carbon fiber plates with high strength, which mainly bear the in-plane load, bending moment, and in-plane shear force
2. Middle layer
The middle layer of the carbon fiber honeycomb sandwich material is a thicker and lighter honeycomb material, which mainly bears the load and lateral shear force transmitted between the upper and lower carbon fiber plates and the sandwich layer
3. Connection layer
Responsible for connecting the carbon fiber thin plate with the honeycomb sandwich material, and transferring the shear force from the panel to the honeycomb sandwich, or from the honeycomb sandwich to the panel
Tips
Aluminum honeycomb has the advantages of high compression modulus, and its density is relatively low, generally ranging from 20kg/m³ to 150kg/m³. Carbon fiber aluminum honeycomb panels are made of carbon fiber composite material panels as skins and composite pressed with aluminum honeycomb core materials.
It uses carbon fiber composite material panels to provide sufficient strength. The "I" beam structure formed by the aluminum honeycomb between the upper and lower panels improves the bending strength and reduces the mass. It can also reduce the cost per unit volume, reduce noise and vibration, and increase heat resistance, fatigue resistance, and fire resistance.
Application Effect
Production environment application
Since the core material of the carbon fiber aluminum honeycomb panel is an aluminum structure, it has good electrical conductivity and can eliminate the static electricity generated by vehicles during movement as much as possible, reducing safety hazards. The aluminum honeycomb core also has good thermal conductivity, which can effectively and quickly conduct high temperatures and ensure the stability of the honeycomb sandwich structure. Aluminum honeycomb is a non-combustible material used in places with dense traffic, such as military shelters, train carriages, gymnasiums, etc., which increases the safety of facilities and the environment, and the sound insulation effect is also very good.
Results-oriented
The special structure and production process of its can produce various specifications according to different needs, which greatly saves storage and transportation space and reduces storage and transportation costs.
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