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Aluminum nitride This synthetic mineral isn’t found in nature. AlN’s crystal structure is hexagonal, wurtzite, type. It offers low density (3.2g/cm3) and high strength. Decomposition takes place at 3060.
Aluminium Nitride Powder AlN Powder – Physical Properties
AlN stays stable above 2200. At room temperature, AlN has a high strength and decreases in strength with temperature. AlN’s thermal conductivity is high and it also has a low thermal extension coefficient. This makes it a great heat shock material. AlN is a great crucible material to melt and cast pure iron, aluminum or an alloy of aluminum. Aluminium nitride has excellent electrical insulation properties. Aluminum nitride is also an attractive electrical component. It is protected by ion implantation through annealing thanks to the aluminum nitride coat on gallium arsenide. Aluminium nitride also acts as a catalyst in the conversion of hexagonal to cubic boron nutride.
It is slow to react with water at room temperatures. The aluminum powder can be made from ammonia, nitrogen or aluminum at 8001000. This product can be described as a grayish-blue to white powder. Gray powder can be obtained by using the al2O3C–N2 system reaction synthesizer at 16001750. You can also use aluminum chloride as ammonia gas. By vapor deposition, the AlCl3/NH3 system can be used to synthesize the coating.
1. A high level of thermal conductivity (about 325W/m*K), that is very close to SiC or BeO, but more than 5x higher than Al2O3.
2. Excellent electrical properties (eg, dielectric constant, dielectric loss, body resistivity, dielectric strength);
3. High mechanical property. This ceramic has a higher flexural strength than Al2O3 or BeO ceramics and is easily atmospherically sintered.
4. High optical transmission qualities
|Aluminum Nitride AlN Powder Properties
|White to pale yellow powder
|2517 degC (dec.)
|Solubility of H2O
|Get the exact Mass
Aluminum Nitride AlN Powder – Applications
AlN has piezoelectric characteristics, so the extensional extension properties of AlN are also used in surface Acoustic Wave Detectors. They will be located on silicon wafers.
Aluminum nitride ceramics These materials have high room temperature, high-temperature resistance, low coefficients of expansion and excellent thermal conductivity. They can therefore be used to make high-temperature structural elements of heat exchanger material.
Due to their high corrosion resistance, Al nitride Ceramics can be used for casting mold material or crucibles in Al, Cu and Ag melting, as well as other metals.
Aluminum nitride ceramics High-tech ceramics are a brand new type. It has high thermal conductivity, is non-toxic and resistant to corrosion, can withstand high temperatures, thermochemical stability and other characteristics. This substrate makes a good packaging material and heat dissipation medium, as well as circuit components and interconnect carrier for large-scale, integrated circuits. This additive is the most effective to increase the thermal conductivity of polymer material. Aluminum nitride can also be used in smelting nonferrous metals, semiconductor gallium arsenide, thermocouple protection tube, thermocouple protection tubes and high-temperature dielectric ceramic parts. Also, it can be used in microwave transparent aluminum oxide ceramic products. These ceramics are used as high thermally conductive ceramic production materials. Aluminum nitride has excellent dielectric properties and is an electric insulator. Aluminum nitride protects gallium arsenide from ion implantation in annealing.
Principal supplier of aluminum Nitride AlN Pulp
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