Details Of Silicon Carbide

Silicon carbide (SiC) is an inorganic non-metallic material with a variety of excellent properties, and its performance characteristics are as follows:

High hardness: Silicon carbide is second only to diamond in hardness and is one of the hardest materials among all ceramic materials. This high hardness property makes silicon carbide excellent in terms of wear resistance, and can resist wear at high speeds and pressures.

High strength: Silicon carbide has high yield strength and tensile strength, can withstand high loads and high mechanical stress, and is suitable for materials used in high load and high strain environments.

High wear resistance: Due to the high hardness and strength of silicon carbide, its wear resistance is 5-20 times that of rubber and cast iron, and it is very resistant to wear.

High corrosion resistance: Silicon carbide has excellent resistance to acid and alkali, oxidation and corrosion, and can maintain stable chemical properties at high temperatures and harsh environments.

High thermal stability: Silicon carbide has good thermal stability, its thermal expansion coefficient is small, thermal conductivity is high, it can withstand stress and thermal shock at high temperatures, and will not melt at any pressure that can be reached.

Good electrical conductivity: Silicon carbide also has good electrical and thermal conductivity properties, and can work stably at high temperature and high pressure.

Silicon carbide is widely used in many fields due to its excellent properties, and the main uses include:

Abrasives and grinding tools: Silicon carbide is widely used as an abrasive due to its high hardness, which is used to manufacture grinding wheels, oil stones, grinding heads, sand tiles and other grinding tools, and is suitable for processing various hard materials.

Metallurgical beneficiation industry: silicon carbide has strong wear resistance, which can be used as an ideal material for impellers, pump rooms, wear-resistant pipes, cyclones, and bucket linings, and is also one of the ideal materials for aviation runways.

Non-ferrous metal smelting industry: silicon carbide has high temperature resistance, high strength and good thermal conductivity, and can be used as a high-temperature indirect heating material, such as dry retort furnace, distillation furnace tray, aluminum electrolytic cell and other components.

Building materials ceramic industry: With its excellent thermal conductivity, thermal radiation and high thermal strength, silicon carbide is an ideal indirect material for ceramic glaze firing and sintering.

Semiconductor field: As a raw material for the production of high-efficiency light-emitting semiconductors, light-emitting diodes can be made by adding different impurities to change the wavelength of light-emitting.

Refractory materials: Silicon carbide has chemical properties that are not easy to be oxidized, as well as thermal shock resistance and high melting point, and can be used as refractory materials in chemical equipment, metal smelting equipment, silicate industrial kilns and aerospace industry.

Green and energy-saving: Silicon carbide has good thermal conductivity and thermal stability, which can significantly reduce fuel consumption and increase productivity when used as a heat exchanger.

Electrician: It can be used as heating elements, resistors, diodes, transistors and thermal devices to improve the voltage resistance of the device and reduce power loss.

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