Application of aluminum foam （1）

National security needs

1.  submarine noise reduction, missile destroyer noise reduction requirements

The sound absorption box composed of the foam aluminum sound absorption board and its rear cavity is installed in the engine room of the submarine, which can reduce noise by more than 20 decibels and is conducive to the manufacture of silent submarines. Other ships, such as guided-missile destroyers, also need to use foam aluminum panels to reduce noise in the engine room and make separation walls.

2, the production of composite armor requirements

The new composite armor is composed of ceramic sheet, aluminum foam, aramidfiber board, and 20mm thick aluminum foam material is set in the middle or inner layer. The energy absorption effect of aluminum foam is used to disperse the force of armor-piercing and armor-breaking bullets and prevent them from entering the interior.

3. the production of vehicle mine-proof floor

Tank vehicles, armored vehicles, heavy trucks, etc., the bottom of the V-shaped, the external armor plate, the middle layer of aluminum foam, the inner layer of aramid fiber board or steel plate, mine-proof.

4.Requirements for military command vehicles and command posts

Aluminum foam material has the function of shielding electromagnetic waves, which can shield more than 90 decibels, making the lining of military command vehicles and command posts, so that electrical information is kept secret.

 5. the production of riot car demand

Using aluminum foam material to make the composite armor of the riot vehicle, the weight of the riot vehicle can be reduced by more than one-third.

6. Make military airdrop packing boxes

At present, China’s military airdrop packing boxes are made of Hardin technology from the United States, the internal energy absorption and shock absorption material is high-density plastic foam, and the internal energy absorption and shock absorption material is used in aluminum foam, and the energy absorption and shock absorption capacity is increased by more than 10 times, that is, the safety of airdrop armed equipment and ammunition is increased by more than 10 times.

7.Make ship explosion-proof deck

Ship deck with armor plate, aluminum foam plate, steel plate composite structure, deck strength increased by more than 2 times, anti-explosion, anti-bomb ability increased by more than 2 times.

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