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HomeNewsAsiaAluminum Nitride Powder – Property and Preparation |

Aluminum Nitride Powder – Property and Preparation |


Aluminum nitride powder’s property:

Aluminum-nitride has a chemical composition of AlN. This atomic crystal belongs to a diamond-like, hexagonal, crystal structure.

Aluminum nitride dust can be stored up to 2220 degrees Celsius. The powder has a high temperature resistance and falls with increasing temperature. The thermal conductivity of aluminum nitride is high and the thermal expansion coefficient low, which makes it an excellent material for thermal shock. AlN powder resists molten metal corrosion well and makes a great crucible for making aluminum, pure iron or an aluminum alloy. An electrical insulator, aluminum nitride is also available in powder form with excellent dielectric properties.


Aluminum nitride powder application:

Aluminium nitride can be used for optoelectronics engineering as an optical storage interface dielectric and substrate and as a high-temperature chip carrier. It is also useful in military and other applications.

1. Aluminium nitride alN powder is high in purity and small size. It also has high activity. It’s the principal raw material used to manufacture high-temperature aluminum Nitride ceramic substrate.

2. High thermal conductivity, low expansion factor, high strength and high resistance to chemicals, corrosion resistance and high dielectric loss make aluminum nitride ceramic substrate a great choice. The ideal material for packaging and heat dissipation in large integrated circuits.

3.Aluminum-nitride powder is hardier than conventional alumina. It can be used only for very damaged parts due to the high price.

4. You can use the thermal resistance, melt erosion resistance, and thermal shock resistance that AlN ceramics offer to create GaAs crystalcrucibles and Al evaporating plates, as well as magnetic fluid power generator devices, high-temperature turbine parts and magnets. Its optical properties are also useful for making infrared window applications. Aluminum nitride can be turned into ultra-large scale integrated circuit substrates or high frequency piezoelectric elements.

5. Aluminum nitride dust is extremely heat resistant, resists corrosion by molten iron, can withstand acid but easy to corrode in an alkaline solution. AlN’s new surface reacts to moisture to create a thin oxide film. It can also be used for casting metal molds, such as aluminum, silver, and lead. AlN ceramics can be used to replace toxic beryllium-oxide ceramics. They are also good at metallization.

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