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Property of aluminum nitride Powder
Aluminum nitride has the chemical formula AlN. It belongs to a hexagonal crystal system with wurtzite structure.
Aluminum nitride has a stable temperature up to 2200. It is strong at room temperatures and loses strength slowly as temperature increases. 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. 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 a high purity and high activity. It is used as the main raw material to produce high thermal conductivity aluminium nitride ceramic substrat.
2. The Aluminum Nitride Ceramic Substrate has high thermal conductivity. It is also resistant to corrosion and chemical agents, it is strong, has a high temperature range, high resistance, and possesses a low dielectric loss. It is a suitable large-scale heat dissipation material and packaging substrate for 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 the ability to resist heat, melt erosion, thermal shock, and can be used in high-temperature turbines and magnetic fluid power generation devices. Its optical properties can also be utilized as an infrared glass. Aluminum nitride can be used as a substrate for ultra-large-scale integrated electronic circuits, 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 thin oxide layer. 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.