The Properties And Application of Aluminum nitride

What does Aluminum Nitride mean?

Covalent bond compounds, such as aluminum nitride with chemical formula AIN are atom crystals that belong to the diamond-like group. They have a hexagonal structure and wurtzite. AlN can stabilize up to 2200. It has a high room temperature strength and this decreases gradually with increasing temperature. It is a thermal shock material because of its high thermal conductivity, low thermal expansion coefficient and excellent thermal conductivity. It is resistant to molten metallic corrosion, making it an excellent crucible for melting aluminum, pure iron and alloy. The potential for an electro-component is also high with aluminum nitride, which is an excellent electrical insulator and has good dielectric characteristics. Aluminum nitride can be applied to gallium arsenide in order to protect it against ion implantation. Aluminium nitride also acts as a catalyst in the conversion from hexagonal to cubic boron nutride. It is slow to react with water at room temperatures. Aluminum powder can be used to make the product at 800-1000 degrees in nitrogen or ammonia atmosphere. This product can be found in a grayish to white powder. It can be made by synthesizing the Al2O3–C-N2 method at 16001750. The powder is off-white.

Aluminium nitride is used:

Because of its piezoelectric effects, epitaxial stretching aluminum nitride crystals can also be used as surface acoustic-wave detectors. It will be attached to the silicon wafer. It is difficult to manufacture thin films reliably in any other place.

Use of aluminum nitride clays is a good choice because they have high room temperatures, high temperature strengths, small expansion coefficients, and excellent thermal conductivity. You can use it as a heat transfer material to high-temperature structures.

The aluminum nitride clays can resist the corrosion properties and alloys like iron and aluminum. They can also be used to make casting molds for metal melting such as Al, Cu and Ag.

Because of the outstanding electrical and thermal properties of aluminum nitride, its widespread use is in the area of semiconductor electronic packaging.

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