Posted in | Materials Analysis

Goodfellow Offer Silicon Carbide Foam with Extreme Performance

Silicon carbide (SiC) foam, available from Goodfellow, provides the exceptional hardness, high-temperature durability and performance of solid silicon carbide, but in an extremely lightweight and versatile foam structure.

Silicon carbide foam from Goodfellow

This combination of properties is highly valued in a range of industries, including aerospace, defence and semiconductor manufacturing.

The matrix of cells and ligaments of silicon carbide foam is completely repeatable, regular and uniform throughout the material, yielding a rigid, highly porous and permeable structure with a controlled density of metal per unit volume. Characteristics of SiC foam include:

  • Exceptional hardness (Mohs 9) and performance – outstanding resistance to scratches, wear and corrosion
  • Structural stability at high temperatures – can operate up to 2200˚C
  • High thermal and electrical conductivity – unlike most other ceramics
  • Low thermal expansion – excellent thermal shock properties
  • High surface area-to-volume ratio – very lightweight
  • Low flow resistance – high filtration efficiency

In applications, advantages derive from both the properties of SiC and the porosity/high surface area of the foam structure:

  • High-temperature filters
  • Rocket nozzles Heat shielding elements
  • Heat exchangers
  • Gas diffusers
  • Porous electrodes
  • Absorbers of electromagnetic radiation

Silicon carbide foam is available from Goodfellow stock in a standard pore size of 24 pores per centimetre (60 ppi), with a bulk density of 0.29 g.cm-3, a porosity of 91% and a thickness of 10mm. However, other porosities, densities and dimensions may be available upon request.

For more information about silicon carbide foam, call Goodfellow on +44 1480 424 800, email [email protected] or visit the online Goodfellow Catalogue at goodfellow.com.

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