Boron is made up of both nitrogen atoms, and boron. The crystal structure has three parts: hexagonalboron nutride; WBN; and cubicboron-nitride.
The hexagonal boron-nitride crystal has a similar graphite layers structure. They have the ability to show a loose, moisturizing, moisture-absorbing and light-absorbing structure. Also known as white graphite. Theoretical density = 2.27g/cm3, specific gravity: 2.43, Mohr toughness = 2.
Hexagonal and hexagonal boron Nitride have good electrical insulation, thermal conductivity as well as chemical stability. They are 3000 in 0.1MPA Nitrogen, with heat resistance up to 2000 in neutral reduced atmospheres, 2800 and 2800 respectively, but they do not melt at temperatures below 1000. However, hexagonal-boron nitride’s expansion coefficient is the same as that of quartz. Its thermal conductivity however is 10x greater than that of quartz.
Hexagonalboron nutride cannot dissolve cold water. After boiling the water, it slowly hydrolyses and makes a small amount ammonia. It doesn’t react with weak base or strong acid at room temperatures. It is slightly insoluble in hot acid.
Boron Nitride Properties
1. Heat resistance: The sublimation of 3000 is at twice the strength at 1800. For dozens upon dozens, it has been air-cooled at 1500 and then at room temperature for hours. And, at 2800 in an inert gaz, there are no softening.
2. High thermal conductivity. Products hot-pressed are identical to pure iron. 33W/M.K boasts the highest thermal conductivity in ceramic materials. It is above 530C.
3, Very low thermal expansion: Quartz glass has the lowest thermal expansion coefficient (2 10-6), and it also has high thermal conductivity. Thus, thermal shock resistance is extremely good.
4. High electrical performance: 1014-cm insulation at higher temperatures. It is the ceramic’s best high temperature insulation material.
5. This product has a high level of corrosion resistance. You can also find it in rare earth and precious metals, semiconductors like germanium, silicon and potassium arsenide as well, glass, molten sodium (crystal or fluoride, slag), organic acids and alkali.
6. Low friction coefficient U 0.16. Is more resistant than graphite molybdenum dulfide, and graphite to high temperatures. You can use oxidation at 900C or vacuum at 2000.
7. High purity product B: The impurity of the good is much lower at less than 10PPM and higher levels at B (more than 43.6%).
8. Machinability: This hardness can be turned into precision pieces by general machine tools.
In which applications is hexagonalboron-nitride?
Hexagonalboron nitride is available for use in manufacturing TiB2/BN ceramics, advanced superhard materials, refractories and superhard material, separation rings of horizontal continuous steel, high-temperature lubricants, high-temperature coatings and raw materials for the synthesis cubic boron.
There are specific uses
1. Boron, nitride works as a metal-forming mold release agent and metal wire drawing lubricant.
2. The high-temperature electrolysis of boron nutride at high temperatures requires special resistance and electrolysis methods.
3. Boron is an excellent choice for high temperature solid Lubricants, extrusion-antiwear additives to ceramic composites, ceramic composite components, refractories or antioxidant additives. This includes molten Metal Faustian occasions and heat enhancement additives.
4. Boron is suitable as a heat sealed desiccant transistor or additive polymer such plastic resin.
5. You can use Boron nitride products to form various shapes as insulation, heat dissipation or high-temperature, high pressure components.
6. Boron, nitride acts as an aerospace thermal shielding substance.
7. Cubic boron nutride can, with the aid of catalysts, be turned into cubic-boron trioxide by applying high heat and high pressure.
8. Boron is the main structural component of an Atomic Reactor.
9. Boron is suitable for use in rocket engine nozzles.
10. Boron, nitride works as an insulator in high-voltage and high-frequency electricity.
11. Boron nutride, also known as Boron Nitride, is a material used in packaging to resist neutron radiation.
12. It is possible to use the superhard material of boron-nitride for high-speed cutters and drilling machines in geological exploration or oil drilling.
13. Boron-nitride is used to metallurgy as a separation ring for continuous steel casting, flow groove and amorphous iron.
14. Boron Nitride can be used in evaporation for various types of capacitor film plating.
15. Boron is available in a variety of fresh-keeping bags such as aluminized bags.
16. Boron, also known as trademark gilding or laser anti-counterfeiting aluminum plating. It is used in a number of packaging materials such as cigarette boxes and beer boxes.
17. Boron-nitride can be used in cosmetics. This can be used as a lipstick filler, which is both non-toxic. It’s also lubricating and glossy.
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