aluminum foam is an assembly composed of bubbles and aluminum diaphragms. The irregularity and three-dimensionality of the bubbles make it possess many excellent characteristics.
A ：Lightweight
The density meter of aluminum foam is about 1/5~1/10 of pure aluminum, 1/20 of iron, and 1/4 of wood and plastic.
B： Excellent sound absorption performance
The sound-absorbing characteristics of aluminum foam are: the sound enters the aluminum foam and is diffusely reflected, interfering with each other, so that the sound energy is converted into heat energy, thereby reducing the noise. Compared with other sound-absorbing materials, aluminum foam has excellent low-frequency absorption performance. The aluminum foam plus a cavity of a certain size has a better sound absorption effect and can be used in a wider frequency range. For example: before the indoor sound-absorbing treatment, the wall is made of very hard cement. After the room is pasted with 10mm thick aluminum foam for sound-absorbing and noise-reducing treatment, the aluminum foam sound-absorbing can reduce noise by 17db.
C：The sound performance of aluminum foam
Foamed aluminum can be compounded with other sound insulation materials. Due to the sound-absorbing effect of foamed aluminum, the sound insulation effect can be further improved.
D： The fire resistance of aluminum foam
aluminum foam has good fire resistance. The melting point of aluminum is 660°C. Foamed aluminum does not begin to soften until it reaches 800°C (because it cannot bear its own weight), but it has not melted yet. aluminum foam will not deform even if exposed to a high temperature of 780℃ without external force, which shows that aluminum foam can withstand higher temperatures than ordinary sound-absorbing materials. In addition, aluminum foam is a non-combustible material and will not generate harmful gases like plastics and other materials.
E: electromagnetic shielding performance of aluminum foam
Aluminum foam has excellent electromagnetic shielding performance and also has sound absorption properties. Therefore, aluminum foam panels are most suitable for use in the production of ceilings and walls in electrical equipment rooms as electromagnetic shielding materials.
Aluminum foam has excellent electromagnetic shielding performance and also has sound absorption properties. Therefore, aluminum foam panels are most suitable for use in the production of ceilings and walls in electrical equipment rooms as electromagnetic shielding materials.
F: Good buffering effect
When the aluminum foam reaches its yield point under pressure, the bubble membrane deforms, continuously deforming layer by layer, and the bubbles are destroyed, resulting in great compression deformation, thereby absorbing the impact energy and showing a good cushioning effect.
When the aluminum foam reaches its yield point under pressure, the bubble membrane deforms, continuously deforming layer by layer, and the bubbles are destroyed, resulting in great compression deformation, thereby absorbing the impact energy and showing a good cushioning effect.
G: Low thermal conductivity of aluminum foam
The thermal conductivity of aluminum foam is very low, only 1/60~1/500 of pure aluminum, and the coefficient of linear expansion is equivalent to that of pure aluminum.
H: Aluminum foam is easy to process
Aluminum foam is easy to perform mechanical processing, such as cutting, drilling, bending and embossing. The aluminum foam can be cut into different specifications and sizes with a saw. The aluminum foam can be easily drilled and riveted, and the aluminum foam can be bent and embossed. The aluminum foam can also be processed with a bonding agent. Paste each other to bond the aluminum foam.
I: Convenient construction
Because the aluminum foam is light, it can be installed manually, and is especially suitable for high-place operations such as ceilings, walls, and roofs. Due to the convenient processing, it can be bonded and riveted, and it is very easy to connect with other structures. Therefore, it is convenient for on-site construction and installation combination.
Because the aluminum foam is light, it can be installed manually, and is especially suitable for high-place operations such as ceilings, walls, and roofs. Due to the convenient processing, it can be bonded and riveted, and it is very easy to connect with other structures. Therefore, it is convenient for on-site construction and installation combination.
J: Good surface decoration effect
Using a special process, the surface of the aluminum foam can be painted with paint. Painting hardly damages the sound-absorbing effect of aluminum foam.
K: Can be used as a sandwich
The aluminum foam is bonded with aluminum, copper, iron and other thin plates on both sides to form a sandwich plate. It is a light and high-strength plate that can be used as a structural material with excellent performance.
The aluminum foam is bonded with aluminum, copper, iron and other thin plates on both sides to form a sandwich plate. It is a light and high-strength plate that can be used as a structural material with excellent performance.
Main uses of aluminum foam Because aluminum foam has a series of characteristics, it has a wide range of uses, mainly in the following aspects:
(1) Sound-absorbing materials, suitable for factories, mines, highways, tunnels, audio, etc. as sound-absorbing materials.
(1) Sound-absorbing materials, suitable for factories, mines, highways, tunnels, audio, etc. as sound-absorbing materials.
(2) Building materials, suitable for ceilings, walls, etc. as ultra-lightweight building decoration materials.
(3) Structural materials, which are combined with metal plates to form sandwich panels, which can be used as floor materials, wall materials, and roof materials for airplanes, automobiles, trains and buildings, as well as furniture panels and shock-absorbing panels.
(4) Electromagnetic shielding materials, suitable for walls and ceilings of computer rooms, shell materials of electronic equipment, interior decoration of electronic command, interior decoration of TV station launch center, etc.
Post time: Dec-29-2021
