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Property of Aluminum Nitride powder:
Aluminum nitride has the chemical formula AlN. It belongs to the hexagonal crystal system and has a 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 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 low expansion coefficients, high strength and resistance to corrosion. It is an excellent large-scale heat dissipation and packaging substrate.
Aluminum nitride has a higher hardness than traditional alumina. However, due to the high price, it is only suitable for parts that are severely worn.
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 also be utilized as infrared Windows. 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 resistant to heat and corrosion, even when molten metal is present. It’s stable in acidic solutions, but easily corrodes in alkaline ones. 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 beryllium-oxide ceramics that are toxic and have excellent metallization properties. They are also widely used in electronics.
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