Boron nitride The crystal is a hexagonal crystal, similar in structure to graphite. Because of its performance similarities, it is often called “white Graphite”.
Boron Nitride is an excellent dielectric at high temperatures. It is a good heat dissipation and high temperature insulating material. Boron Nitride is chemically stable, and it can resist erosion of most molten metallic materials. It also has self-lubricating characteristics.

Boron nitride ceramics (BN) is a novel industrial material developed by the aerospace and electronic industries. It has many applications in production and industry.

Research on boron Nitride is currently focused primarily on the hexagonal phase of boron Nitride (hBN) and its cubic phase (cBN). Hexagonal Borosidria has good performance at high temperatures and is thermally conductive. Recent studies show that the hexagonal phases are also in thermodynamic equilibrium under normal conditions of temperature and pressure. It is still a primary raw material used to synthesize cubic boron-nitride. Cubic Boron Nitride is a synthetic material with many application possibilities.

As a rule, hexagonal boron-nitride is used in the high temperature/high pressure method. The excellent properties of cubic boran nitride have attracted many scientists to research the synthesis of cubic boran nitride. The number of new preparation methods is endless, and they are all moving towards a low temperature, low pressure, simple, and feasible direction. The synthesis and use of nano-boron nitride have been a hot topic in recent years due to the growth of nanotechnology as well as the expanding application fields of ceramics containing boron.

Hexagonal boran nitride has been called white graphite due to its similarity in crystal structure and physical and chemical properties, such as good thermal conductivity and lubricity. Hexagonal boran nitride can be used to make sintered ceramics. H-BN ceramics are used widely in a variety of fields, including high-temperature insulating components, metallurgy, aviation, and atomic energy. This is because they have high thermal conductivity as well a good electrical insulation. The superior performance of cubic boron-nitride makes it a popular raw material in the synthesis.

Ceramics containing boron-nitride exhibit excellent thermal stability, as well as dielectric properties. It is among the few compounds which can reach a temperature of decomposition. It exhibits excellent thermal and electric stability over a wide temperature spectrum. This type of ceramic is not currently used in the radome because it has low strength and hardness. It also has a high thermal conductivity.

In the field of materials science, boron is nitride is a highly preferred advanced ceramic material due to its superior mechanical characteristics. Due to the harsh conditions in the current synthesis, this has an impact on boron nitride’s application to some extent. This new synthesis method has been a major focus in the study of Boron Nitride. Select a reaction precursor with excellent thermodynamic properties and use them to reduce the temperature induced externally and the reaction temperature. This will allow you to control the product’s morphology better. Controlling the reaction conditions, and using the right reaction process, can affect the particle size as well as the product morphology.

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Boron nitride This crystal is made up of atoms of nitrogen and boron. Its chemical formula is 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 affected when exposed to water and other organic 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 and insoluble in acidic 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 resistance; 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, etc. The boron-nitride material can be used in crucibles for metal melting, rocket nozzles for liquid metal, and as an electrical insulation material.

2. Heat and corrosion resistant components can be manufactured using hexagonal Boron Nitride. These include high-temperature parts, rocket combustion chambers, thermal shielding on spacecrafts, corrosion-resistant magnetic fluid generators etc. It can be produced.

3. The hexagonal boron-nitride material is widely used for high-voltage, high frequency, high voltage insulation and heat dissipation, as also in insulators and heaters of different types, heating pipe sleeves as well as high temperature, high frequency, high voltage insulation and heat-dissipation components.

4. In the electronic industry, it’s used as an crucible for the production of gallium arsenide and gallium phosphide. It can also be used to heat heat sinks in semiconductor packages.

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

6. Hexagonal boran nitride can also be used to lubricate bearings at high temperatures. Because boron is similar in many ways to graphite and has many physical properties, it’s called white graphite. This is true of mica, talc silicates, fatty acids, etc. They are collectively known as solid white lubricants.

7. Boron Nitride can be used in various materials as an additive. Boron fiber is high modulus, boron-nitride processed. It is an inorganic, synthetic engineering material. It can be widely applied in the textile industry, chemical industry, aerospace technology, and other advanced industrial sectors.

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Boron nitride The first application of hexagonal boron nitride was as a high-temperature lubricant. As a high-temperature grease, hexagonal boron was the first application. White graphite is a common name because of its similarity to graphite in terms of both its structure and properties.

Boron Nitride Powder Properties

Boron Nitride is resistant to corrosion by chemicals and mineral acids. It is also not affected by water and does no corrode. The boron and nitrogen bond is broken by hot concentrated alkali. Boron Nitride begins to oxidize at temperatures above 1200degC. It decomposes around 2700degC in vacuum. Boron Nitride is slightly soluble when heated acid is used, but insoluble with cold water.

Compared to carbon materials, boron nitride has better properties. The following properties are found in hexagonal boron Nitride: Low friction coefficient; good high temperature stability; good thermal shock resistance; high strength; high thermal conductivity.


The most common boron system is hexagonal, with a graphite structure. There are also amorphous variations.

Boron nitride Powder Applications

Cubic-boron nitride has a high heat resistance in addition to its excellent wear resistance. It can cut heat resistant steels, ferroalloys or hardened steels. At a relatively high temperature, it can cut Si-Al and Si-Cr alloys and chilled rolls with high hardness.

As a wide-band-gap (band-gap of 6.4 eV), semiconductor material, cubic boron nitride is characterized by high thermal conductivity. Also, it has high resistance, good mobility, low dielectric, and high breakdown electric fields. They all share a wide band-gap, which makes them ideal for electronics that operate in extreme environments.

In comparison with SiC or GaN, diamond and cubic boron nitride have superior properties. They are more mobile, have a greater breakdown electric field, and have a lower dielectric constant. Diamond and cBN are superior materials for extreme electronics.

Due to its high hardness, cubic-boron film is ideal for optical applications. Its high transmittance over the entire range of wavelengths from ultraviolet (approximately at 200 nm), to far infrared makes it suitable as a coating of window materials, such as zinc selenide(ZnSe) or zinc sulfide(ZnS).

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Boron nitride The powder is white and is composed of nitrogen atoms. The chemical composition of the powder is 43.6% nitrogen and 56.4% boron. There are four different types: hexagonal Boron Nitride (HBN), Rhombohedral Boron Nitride (RBN), Cubic boron Nitride (CBN) or wurtzite Nitro Boron (WBN).

What property does boron nitride have?

Boron Nitride Powder is resistant against chemical corrosion. It is also not affected by water or mineral acids. The boron and nitrogen bond is broken by hot concentrated alkali. The air temperature above 1200degC causes the nitride to begin oxidizing. Its melting point, 3000degC. When it’s slightly below 3000degC it begins to sublime. And it begins decomposing at around 2700degC under vacuum. Boron Nitride Powder is only slightly soluble in acidic water and insoluble in cold.
Carbon materials are inferior in terms of most properties to boron carbide. For hexagonal Boron Nitride: Low friction coefficient, good stability at high temperatures, good thermal shock resistant, high strength and thermal conductivity.

What are the different methods of preparation for boron nitride?

The boron-nitride is commonly produced as a powder with a structure similar to graphite, also known as white graphite. The second is diamond type. Similar to the conversion of graphite to a diamond, graphite boron-nitride powder can be converted into diamond type boron-nitride by high temperature and pressure.

High Temperature and High Pressure Synthesis
Wentorf produced cubic BN first in 1957. The cubic boron nitride can be directly converted from pure hexagonal boron nitride, HBN, when the pressure and temperature are high enough. Later, it was found that the use catalysts could greatly reduce both the transition pressure and temperature. The high cost of preparation and the complexity of equipment limit its industrial use.

Chemical vapor synthesis
Sokolowski was the first to use pulsed-plasma technology in 1979 for the preparation of cubic boron (CBN), at low temperature, and under low pressure. Equipment is simple, and the process can be easily realized.

Technology for carbothermic synthesis
The method is based on using boric acid, a raw material, as an additive to silicon carbide. Ammonia nitriding then produces boron oxide. The resultant product has a high purity, and is a valuable material for composite materials.

Ion beamsputtering
The mixed product is made using particle beam deposition. It is possible to achieve a product with a morphology that is controlled, even though this method contains fewer impurities.

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Boron nitride The crystal is made up of nitrogen atoms, and boron. Boron nitride is divided into cubic boron and hexagonal boron. In various countries, current research on Boron Nitride is mostly focused on the hexagonal and cubic crystals.
Hexagonal boran nitride is a new synthetic inorganic material with stable chemical characteristics, high humidity resistance and low thermal expansion coefficient. It is an inorganic synthetic material. The good properties of hexagonal Boron Nitride are used to promote the development of new materials.

On the demand side, hexagonal boron is in high demand today for high temperature coatings as well as electrical and electronic applications. The terminal industry has developed in recent years and has promoted the use of green materials. As a result, the market value for hexagonal boron has continued to grow. Hexagonal Boron Nitride will have a market value of more than US$700 million by 2020.

Hexagonal Borosilicate has excellent electrical properties and retains its lubrication ability even in high temperature conditions. It’s mainly available as tubes, sheets, sheets, rods, and gaskets. China. The main areas of demand are coating, demoulding, and sprinkling. The hexagonal-boron-nitride compound can be used as a skin care product, which will help to benefit from the rising demand for cosmetics.

The report, “China’s Hexagonal Boron Nitride Industry: Supply and demand status quo and development trend forecast report 2021-2025”, shows that the top manufacturers in the medium hexagonal boron nitride industry are HC Starck GmbH. Denka. Hoganas AB. Kennametal. In my country, hexagonal-boron-nitride is still in its early stages of development. But, due to abundant boron reserves, this is conducive to development. Jingyi Ceramics, the most representative domestic manufacturer for hexagonal boron-nitride, is located in Beijing.

According to the analysis on the global hexagonal-boron-nitride industry, the United States market will reach 200 million dollars by 2020. In recent years, my country’s economic and industrial growth has been rapid. It is the second largest economy on the planet. As industry has developed rapidly, demand for new products such as hexagonal boran nitride is increasing. The market size for hexagonal Boron Nitride in my country is expected to reach 1.5 million by 2025. One hundred million U.S. Dollars. The United States, Canada and Germany are also developing more potential in the field.

As a high performance new material, professional analysts stated that hexagonal Boron Nitride has a broad range of applications. In response to the rapid growth of the terminals industry, demand for hexagonal-boron-nitride is on the rise. In the entire world, the United States are the largest producers and consumers of hexagonal Boron Nitride. My country’s research into hexagonal boron is in its early stages, but market demand for the material has grown rapidly. My country’s market for hexagonal boran nitride has tremendous potential in the future.

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