hexagonal borazon boron nitride ceramic bushing bush sleeve

hexagonal borazon boron nitride ceramic bushing bush sleeve

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Boron Nitride Ceramic:

(1) There are currently four boron nitride materials reported, namely amorphous boron nitride (a-BN), hexagonal boron nitride (h-BN), cubic boron nitride (c-BN), Zincite phase boron nitride (w-BN). The Alumina Ceramic Plate structure and properties of BN are very similar to those of isoelectronic carbon materials. h-BN contains a hexagonal graphene-like structure, c-BN exhibits a diamond-like cubic phase structure, and w-BN exhibits a close-packed AA-BB- AA multilayer structure. At present, people are more research on h-BN and c-BN, because the content of these two crystalline BN materials is the most Alumina Ceramic Sheet abundant, and the synthesis, modification, properties and application of h-BN and c-BN materials are studied. h-BN material is an insulating state and plays a very important role in the field of science and technology, such as for charge fluctuation, contact resistance, gate dielectric, passivation, Coulomb drag, atomic tunneling layer.

Related reports have found that h-BN exhibits a room-temperature defect single-photon excitation effect in the mid-infrared region. Related studies have found that single-layer h-BN exhibits high insulation and good thermal conductivity, so it can be used in advanced electronic devices. scattering effect. h-BN was found to be among the strongest electrical insulating materials to date. The mechanical behavior of few-layer BN is very different from that of graphene. For example, when the number of layers of graphene increases from 1 to 8 layers, the mechanical strength decreases by 30%, but BN Alumina Ceramic has no obvious change with the increase of the number of layers. The BN material can exhibit deep ultraviolet fluorescence (5.97 eV) through N-defect sites and near-band edge transitions. Moreover, because BN material is a two-dimensional vdW material, it can construct heterojunctions with two-dimensional materials such as graphene, transition metal sulfides, and two-dimensional metals, so it can realize unpredictable properties and device performance regulation.

properties:

It has good heat resistance, thermal stability, thermal conductivity, high temperature dielectric strength, and is an ideal heat dissipating material and high temperature insulating material. Boron nitride has good chemical stability and is resistant to most of the molten metal. It also has good self-lubricating properties. Boron nitride products have low hardness and can be machined with an accuracy of 1/100 mm.

Application industry:

Boron nitride can be used in the manufacture of high-temperature containers for metallurgical melting, semiconductor heat-dissipating insulation parts, high-temperature bearings, thermowells, and glass forming dies.

Company Information:

Shenzhen Hard Precision Ceramic CO.,Ltd founded in 2007, located in Shenzhen of China. We are a company that integrates development, design, molding, sintering, production and sales of precision ceramic products. After 10 years of development, we have cooperated with more than 2000 customers and 60 universities; Our factory covers an area of 2000 square meters, 50 employees, and annual production value of nearly 20 million. We have a higher visibility and better reputation in the same industry.Our products include ceramic rods, tubes, plates, blocks and precision parts for industrial. We have all-line high precision equipments from ceramic forming, sintering to precision machining. Hope for a wide range of sincere cooperation with customers at home and abroad.

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