Silicon Carbide Ceramic (SiC) Material Properties

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Silicon Carbide Ceramic

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Silicon Carbide Ceramic (SiC) Material Parameters
Silicon carbide ceramic is an advanced ceramic material with excellent properties. Its main component is silicon carbide (SiC). SiC ceramics not only have excellent room temperature mechanical properties, such as high bending strength, excellent oxidation resistance, good corrosion resistance, high wear resistance and low friction coefficient, but also high temperature mechanical properties (strength, creep resistance etc.) are the best known ceramic materials. The high-temperature strength of hot-pressed sintering, pressureless sintering, and hot isostatic pressing sintered materials can be maintained up to 1600°C, making them the materials with the best high-temperature strength among ceramic materials. Oxidation resistance is also the best among all non-oxide ceramics, also known as emery. Silicon carbide has been widely used in industrial fields such as petroleum, chemicals, microelectronics, automobiles, aerospace, aviation, papermaking, lasers, mining, and atomic energy. Silicon carbide has been widely used in high-temperature ceramic bearings, bulletproof plates, nozzles, and high-temperature corrosion resistance. Components and ceramic parts of electronic equipment in the high temperature and high frequency range.

1. Material introduction of silicon carbide:

Silicon carbide ceramics are ceramic materials made of silicon carbide powder through a sintering process. Silicon carbide is a compound material whose basic composition is a compound of silicon and carbon, and whose crystal structure is similar to that of sapphire.

2. Performance characteristics of silicon carbide:

High hardness: The hardness of silicon carbide ceramics can reach more than 9.5 on the Mohs hardness scale, second only to diamond and boron nitride.
Excellent wear resistance: Silicon carbide ceramics have extremely high wear resistance and can be used to make wear-resistant parts and coatings.
High temperature stability: Silicon carbide ceramics have high stability at high temperatures and can work in high temperature environments for a long time.
Excellent chemical stability: Silicon carbide ceramics are resistant to chemical erosion and can be used for a long time in corrosive media such as acids and alkalis.

3. Advantages of silicon carbide:

High temperature performance: Silicon carbide ceramics can work at high temperatures and have high thermal stability and thermal conductivity.
Wear resistance: Silicon carbide ceramics have excellent wear resistance and corrosion resistance and can be used to make wear-resistant parts.
High hardness: Silicon carbide ceramics have high hardness and can be used to make cutting tools and abrasive materials.
Mechanical properties: Silicon carbide ceramics have good mechanical properties, such as high strength, high toughness and high impact resistance.

4. Application of silicon carbide:

Mechanical industry: Silicon carbide ceramics can be used to make high-temperature wear-resistant parts, bearings and seals.
Chemical industry: Silicon carbide ceramics can be used to manufacture corrosion-resistant equipment and chemical reactors.
Electronic industry: Silicon carbide ceramics can be used to make high-temperature electronic components, semiconductor devices and optical fiber communication devices.
Environmental engineering: Silicon carbide ceramics can be used to make wear-resistant pipes, pump bodies and valves.
Other fields: Silicon carbide ceramics are also widely used in aerospace, energy, medical equipment and other fields.

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