The Properties And Application of Aluminum nitride

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What is Aluminium nitride?
Aluminum nitride (AIN) is a covalent-bond compound. It has the chemical formula of AIN. AlN can stabilize up to 2200. The strength of AlN at room temperatures 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 has a high resistance to corrosion in molten iron and aluminum and is a good crucible material when melting and casting these metals. Aluminum nitride also has excellent dielectric properties. It is also a promising material for electrical components. Aluminum nitride can be applied to the surface of gallium-arsenide in order to protect it against ion implantation during annealing. Aluminum nitride also acts as a catalyst for the transformation of hexagonal boron to cubic boron. It is a slow reactant with water. The product can be synthesized by combining aluminum powder with ammonia and nitrogen at 8001000. The powder can range from white to grayish-blue. 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, good thermal conductivity, and high strength in high temperature. It can also be used to make heat exchangers for high-temperature structural components.

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. 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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