Boron Nitride Powder Properties And Applications

Boron nitride

More than 100 years have passed since its invention. It was used in high-temperature lubricants as hexagonal boron nutride. Because its structure, properties and whiteness are very similar, it is also commonly known as white graphite.

Boron Nitride Powder Properties

Boron Nitride is impervious to corrosion. It is also resistant to acid and water. In hot concentrated alkali, the boron/nitrogen bond can be broken. The boron-nitrogen bond is broken in hot concentrated alkali. Boron nitride starts to oxidize at 1200°C and eventually decomposes at around 2700°C when vacuumed. Boron Nitride is insoluble in warm acid but slightly solubilized in cold water.

Many of the properties found in boron-nitride outperform those of carbon materials. The hexagonal boron-nitride has a low friction coefficient and good temperature stability. It also offers high resistance to thermal shock, high strength, high resistance to corrosion, high resistance to microwave radiation, and transparent Infrared.

Boron Nitride is a hexagonal crystal, with graphite as the most prevalent. There are many other crystal forms, such as rhombohedral, Cubic, and wurtzite types of boron nutride (wBN).

Boron nitrate powder applications

Cubic-boron nitride is extremely resistant to heat and wear. This material can be used to cut steel with heat resistance, ferroalloys and hardened steel. At a high temperature it can be used to cut hardened steel, ferroalloys and si-al alloys. These are extremely dangerous and could cause tool wear.

Cubic-boron is a semiconductor material that has a broad band gap (band of 6.4eV), and it has excellent characteristics such as high thermal conductivity, high resistivity and high mobility. The common property of all three is their wide band gap. It is ideal for producing electronic devices under severe conditions.

Cubic-boron and diamond, in comparison to SiC and GaN have better properties such as a larger band gap, greater mobility, higher breakdown electrical field, lower thermal conductivity, and a higher dielectric constant. C-BN and diamond, as extreme electronics material are superior.

Because of the film’s high hardness, and its transmittance across the entire wavelength range of ultraviolet (approximately between 200 nm and far infrared), it is well-suited for optical applications. It can also be used to coat certain optical components like Zinc selenide (ZnSe), or zinc sulfide.

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