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The Properties And Application of Aluminum nitride

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What is Aluminium nitride?
Aluminum nitride (AIN) is a covalent-bond compound. It is a white or off-white atomic crystal. AlN can stabilize up to 2200. The room temperature strength of AlN is very high. It decreases gradually with increasing temperature. It has a low thermal expansion and good thermal conductivity, which makes it an excellent thermal shock material. It is a good crucible material to melt and cast pure iron, aluminum and aluminum alloys. Aluminum nitride also has excellent dielectric properties. It is also promising for use as an electrical component. The aluminum nitride layer on the gallium arsenide surface can protect it against ion implantation during annealing. Aluminum nitride also acts as a catalyst for the transformation of hexagonal boron to cubic boron. At room temperatures, it reacts very slowly with water. The product can be synthesized by combining aluminum powder with ammonia and nitrogen at 8001000. The product is a powder that ranges from white to grayish. If the Al2O3 system is used at 16001750 and the product is white powder, then this method will work.
Aluminum nitride application:

A surface acoustic-wave detector also uses epitaxial stretching due to the piezoelectric effects of aluminum Nitride. The detector will then be mounted on the silicon wafer. The thin film can only be manufactured reliably in very few places.

Aluminium nitride is a ceramic material with a low expansion coefficient and good thermal conductivity. It can be used as a heat exchanger for high-temperature structural parts. It can also be used to make heat exchangers for high-temperature structural components.

Ceramics made of aluminum nitride can resist the corrosion of metals, alloys, and iron, such as aluminum and iron. It can also be used to melt metals, such as Al., Cu., Ag., and Pb.

Aluminum Nitride is widely used as a semiconductor electronic package due to its excellent properties in terms of electrical, mechanical and thermal properties.

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