Properties And Applications of Boron Nitride Powder

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Boron nitride This crystal is made up of nitrogen atoms, and boron. It has a chemical composition of 43.6% boron, and 56.4% Nitrogen. Boron nitride is available in four different forms: hexagonal boron nitride, diamond Square Boron Nitride, Cubic Boron Nitride and Wurtzite Boron Nitride.

Boron Nitride Properties

Boron Nitride is resistant to corrosion by chemicals and inorganic acids. It is also not corroded when exposed to water and other inorganic acids. The boron nitrogen bond is broken when alkali is heated to high concentrations. In the air, it starts to oxidize above 1200degC. Boron Nitride is slightly soluble when heated in acid, but insoluble with cold water. It has a density relative of 2.25.

Most properties of boron materials are better than those of carbon materials. The following properties are found in hexagonal boron Nitride: Low friction coefficient; good high temperature stability; good thermal shock resistant; high strength; high thermal conductivity.

Boron Nitride Applications

1. Hexagonal Borosidride is chemically stable and will not affect or wet most metals like steel, stainless, al, Fe, Ge, Bi, Si, etc. The boron-nitride material can be used in crucibles for metal melting, boats, liquid-metal delivery pipes, rockets nozzles, high power device bases and as electrical insulation.

2. Heat and corrosion resistant components can be manufactured using hexagonal Boron Nitride. These include high-temperature parts, rocket combustion chambers linings. It can be produced.

3. The hexagonal boron-nitride material is used for high-voltage and -frequency electric arc insulators. Also, the material is widely used as an insulator of heating pipe sleeves, high temperature, high frequency and high voltage insulation and heat dissipation parts, and in high-frequency electric furnaces.

4. In the electronic industry, it’s used as an alumina crucible, a heat sink, for the preparations of gallium arsenide and gallium phosphide.

5. In atomic reactors, it’s used as a shielding material and a material for neutron absorption. It can be used for infrared polarizers, microwave filters, infrared filters and optical paths in laser instruments.

6. Hexagonal boran nitride can be used to make a self-lubricating bearing. It is also a good lubricant at high temperatures. Because boron is similar in many ways to graphite and has many physical properties, it’s called white graphite. It is similar to mica, talc silicate and fatty acids. They are referred collectively to as solid white lubricants.

7. Boron Nitride can be used in various materials as an additive. Boron fiber is high modulus, fiber with a medium modulus. It is a synthetic inorganic engineering material. It can be widely applied in the chemical industry and textile industry.

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