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Boron nitride
The crystal is a hexagonal crystal, similar in structure to graphite. Because of its performance similarities, it is sometimes called “white Graphite”.
Boron Nitride is an excellent dielectric at high temperatures. It is an excellent heat dissipation and high temperature insulating material. Boron Nitride is a chemically stable material that 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 excellent high temperature properties, good thermal conductivity as well as lubricity. Recent studies show that the hexagonal form is in a thermodynamic equilibrium state at room pressure and temperature. 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 and low-pressure direction. The synthesis and use of nano boron ceramics has been a hot topic in recent years due to the growth of nanotechnology.
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 ceramic structural parts are used widely in high-temperature insulating components, atomic energy and metallurgy. The superior performance of cubic boron-nitride makes it a popular raw material in the synthesis.
Ceramics containing boron-nitride exhibit excellent dielectric properties and thermal stability. 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 radomes due to its low strength, elasticity and thermal conductivity. It also has a poor corrosion resistance and is difficult for manufacturers to shape.
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, boron nitride’s application is limited. 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 and shape of the final product.
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