Silicon Carbide (SiC)

Identity strip
  • Silicon Carbide
  • Silicon Carbide
  • Silicon Carbide

Key Properties

bullet  Low density
bullet  High strength
bullet  Low thermal expansion
bullet  High thermal conductivity
bullet  High elastic modulus
bullet  Outstanding thermal shock resistance
bullet  Extreme hardness
bullet  Superior chemical inertness

Applications

bullet  Turbine components
bullet  Suction box covers
bullet  Pump Seals
bullet  Bearings
bullet  Ball valve parts
bullet  Gas flow liners
bullet  Heat exchangers
bullet  Semiconductor process equipment


Silicon Carbide (SiC)

SiC has been manufactured into a high quality technical grade ceramic with very good mechanical properties. It is used in abrasives, refractories, ceramics, and many high-performance applications.

The material can also be made an electrical conductor and has applications in resistance heating, flame igniters and electronic components. Structural and wear applications are constantly developing.

Silicon carbide is not attacked by acids or alkalis or molten salts up to 800°C.

In air, SiC forms a protective silicon oxide coating at 1200°C and is able to be used up to 1600°C.

The high thermal conductivity coupled with low thermal expansion and high strength gives this material exceptional thermal shock resistant qualities.


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