Silicon carbide whiskers are a kind of single-crystal fiber with a certain length-to-diameter ratio, which has very good high temperature resistance and high strength. It is mainly used in toughening applications where high temperature and high strength applications are required. Such as: aerospace materials, high-speed cutting tools. At present, it has a very high performance-price ratio.

Silicon carbide whiskers are cubic whiskers, and diamonds belong to a crystal form. They are the whiskers with the highest hardness, the largest modulus, the highest tensile strength and the highest heat resistance temperature. It is both α-type and β-type, in which β-type performance is better than α-type and has higher hardness (Mohs hardness of 9.5 or more), better toughness and electrical conductivity, anti-wear, high temperature resistance, especially earthquake resistance Corrosion-resistant, radiation-resistant, has been applied to aircraft, missile casings and engines, high-temperature turbine rotors, special components.

Silicon carbide is an extremely anisotropically grown crystal. It is a short fiber crystal grown on the basis of a silicon carbide particle by a catalyst. The current production methods mainly include a gas phase reaction method and a solid material method, among which the solid material method is more For the economy, it is more suitable for industrial production.

In addition, it acts as a reinforcing component to join the plastic matrix, metal matrix or ceramic matrix to enhance and toughen, and utilizes the high thermal conductivity, high insulation of nano Sic materials, and substrates for large-scale integrated circuits in the electronics industry. Packaging material. As an information optical material, it has high application value in the fields of television display, modern communication, and network.

Silicon carbide whiskers are used in the manufacture of high-strength plastics, metals and ceramics to accelerate the upgrading of key traditional products. Due to the excellent function of nano-silicon carbide whiskers, it has a special role in the aerospace industry, namely in the application of aircraft and missile casings, as well as the application of engines, high-temperature turbine rotors, special components, so it is in the military industry and There is a huge demand in the civilian industry.

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