In the aerospace field, silicon nitride ceramic shafts are widely used in engine parts, thermal protection systems and other key components to ensure reliability under extreme conditions due to their high strength, high-temperature resistance and good dimensional stability. Boron nitride ceramic shafts, due to their low hardness, good processability and lubrication performance at high temperatures, can be used in parts that require high precision in shape and self-lubrication, such as some of the special rotating parts inside some aviation engines.
In the manufacture of electronic equipment, silicon nitride ceramic shafts can be used to manufacture insulators, substrates and other components, with good electrical insulation and thermal conductivity, to ensure that the equipment is in a high-power, high-temperature environment, safe and stable operation. Boron nitride ceramic shafts are commonly used in the production of heat-dissipation structures and insulated heat-dissipation substrates in electronic equipment due to their high thermal conductivity and good electrical insulation.
In the machinery industry, silicon nitride ceramic shafts are often used as key materials for cutting tools, grinding tools and wear-resistant parts due to their excellent wear resistance. Boron nitride ceramic shaft of self-lubricating properties in mechanical seals. High-temperature solid lubricants play an important role in the 100 – 1200 ℃ air, inert gas, and hydrogen environment; the use of performance is better than some other solid lubricants.
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