An ultra-light and high-performance sound-absorbing material with a laminated structure of carbon fiber and down
A carbon fiber layer and sound-absorbing material technology, applied in the field of sound-absorbing materials, can solve the problems of reducing the quality of sound-absorbing materials, troubles, difficulty in construction and decoration, etc., and achieve the effect of avoiding extrusion and flattening and satisfying the bonding strength
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Embodiment 1
[0039] can be based on image 3 , 4 As shown, the corresponding selection is made according to the carbon fiber layer 1. Taking the preparation of a hard sound-absorbing material composed of carbon fiber boards as an example, the mesh distribution of the rubber pads 3 is adjusted according to the carbon fiber layer 1, such as image 3 As shown, when the carbon fiber layer 1 is a carbon fiber board, the honeycomb mesh setting is adopted; the diameter of the composite fiber hollow pipeline is selected as d=10mm, the wall thickness s=2mm, and the inner down filling density ρ=80%, according to the following formula:
[0040]
[0041] Among them, n-number of arrangement, d-outer diameter of composite fiber hollow pipeline, ρ-down filling density, s-wall thickness of composite fiber hollow pipeline;
[0042] It is calculated that n=8.
[0043] like figure 1 As shown in the figure, an ultra-light and high-performance sound-absorbing material with a carbon fiber and down layered s...
Embodiment 2
[0057] This embodiment is basically the same as Embodiment 1, except that the gaps of the rubber pads are filled with down with a filling density of 30%.
Embodiment 3
[0059] This embodiment is basically the same as Embodiment 1, except that the gaps of the rubber pads are filled with down with a filling density of 50%.
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