Silicon Carbide

Silicon Carbide (SiC) is an important industrial material with the chemical formula SiC. It is made of quartz sand, petroleum coke (or coal coke), wood chips (salt is required when producing green  SiC ) and other raw materials through a resistance furnace at high temperature. Smelted. It can be called emery or refractory sand.

1. High hardness: The hardness of silicon carbide is second only to diamond and cubic boron nitride, ranking third among all ceramic materials. Its hardness prevents surface wear and extends service life.
2. High strength: SiC can withstand high loads and high mechanical stress, which makes it a material suitable for use in high load and high strain environments.
3. High wear resistance: Due to the high hardness and strength of SiC, it has strong resistance to wear and can withstand wear under high-speed friction and high pressure.
4. High corrosion resistance: It has strong acid and alkali resistance, oxidation resistance and corrosion resistance, and has excellent chemical stability under high temperatures and harsh environments.
5. High thermal stability: SiC has good thermal stability, with a small thermal expansion coefficient and high thermal conductivity, and can withstand stress and thermal shock at high temperatures.
6. Good electrical conductivity: SiC has good electrical and thermal conductivity and can work stably under high temperature and high pressure.

SiC has the characteristics of corrosion resistance, high temperature resistance, high strength, good thermal conductivity, and impact resistance. On the one hand, It can be used in various smelting furnace linings, high-temperature furnace components, silicon carbide plates, linings, supports, and saggers. , SiC stack collapse, etc.

On the other hand, it can be used as high-temperature indirect heating materials in the non-ferrous metal smelting industry, such as vertical tank distillation furnaces, distillation furnace trays, aluminum electrolytic cells, copper melting furnace linings, arc plates for zinc powder furnaces, thermocouple protection tubes, etc. ; Used to make advanced silicon carbide ceramic materials that are wear-resistant, corrosion-resistant, and high-temperature resistant; and can also be used to make rocket nozzles, gas turbine blades, etc. In addition, It is also one of the ideal materials for highways, aviation runways, etc.

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