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Silicon carbide applications and properties

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Silicon carbide applications and properties

  • September 2,2019.

      Silicon carbide is an important non-oxide ceramic which has diverse industrial applications. It has high hardness and strength, chemical and thermal stability, high melting point, oxidation resistance, high erosion  resistance, in other words, high thermal conductivity, high stability, good wear resistance and a small thermal expansion co-efficient porperties.


      Mainly use as an abrasive, silicon carbide other applications are: refractories, electrical devices, electronics (semiconductor), diesel particles filters, ceramics, industrial furnaces,structural materials, and metallurgy. Silicon carbide is also used by the aerospace, automotive, and power generation industries as a reinforcing material in advanced ceramic composites.


      SiC possesses high thermal conductivity, which makes a perfect candidate for high power, high temperature electronic devices as well as abrasion and cutting applications.

      Silicon carbide also has a good match of chemical, mechanical and thermal properties. It demonstrates high chemical inertness, making it more suitable for use in sensor applications where the operating environments are chemically harsh.


      Excellent mechanical and thermal properties that makes Silicon carbide a semiconductor of choice for harsh environment applications. These applications include high radiation exposure, operation in high temperature and corrosive media. To obtain high-performance SiC ceramics, fine powder with narrow particles-size distribution as well as high purity are required.


      For now, large-scale and cost-effective synthesis of SiC nanomaterials at a low temperature is still challenging.


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