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Property of Aluminum Nitride powder:
Aluminum nitride has the chemical formula AlN. It belongs to the hexagonal system of crystals, wurtzite structure, and is non-toxic.
Aluminum nitride has high strength and stability at room temperatures. The strength of the powder decreases gradually with increasing temperature. Aluminum nitride is a thermal shock resistant material with good thermal conductivity. AlN Powder is resistant to molten metallic corrosion, making it an ideal material for crucibles used in the casting of pure iron or aluminum alloys. Aluminum nitride has good dielectric and electrical properties.
Use of aluminum nitride:
Aluminum nitride has many uses in optoelectronics. It is used as a dielectric in optical storage interfaces and electronic substrates, as a chip carrier that has high thermal conductivity for military purposes, and also as a chip carrier.
1. Aluminum nitride powder AlN has high purity and activity. It is used as the main raw material to produce high thermal conductivity aluminium nitride ceramic substrat.
2. Aluminum nitride is a ceramic substrate with high thermal conductivity. It has a low expansion coefficient and high strength. It is a great material for packaging and heat dissipation of large integrated circuits.
Aluminum nitride has a higher hardness than traditional alumina. However, due to the high price, it can only replace severely worn parts.
4. AlN ceramics have excellent heat resistance, melt erosion resistance, thermal shock resistance, and can be used in the manufacture of GaAs crystals, Al evaporating plates, magnetic fluid generation devices, high-temperature turbo-corrosion-resistant parts, and their optical properties can be utilized as infrared Windows. Aluminum nitride can be made into ultra-large-scale integrated-circuit substrates, high-frequency piezoelectric components and other products.
5. Aluminum nitride (AlN) powder is heat resistant, resistant to corrosion from molten metals, stable in acid but easily corroded by alkaline solution. AlN’s new surface will react with humid air and form a very fine oxide film. It can be used to melt aluminum, copper silver, lead, and other metals using this property. AlN ceramics can be used to replace toxic ceramics made of beryllium dioxide and have excellent metallization properties. They are also widely used in electronics.