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Elmet Technologies
Destech Silicon Carbide, Solid or Foamed
Categories: Ceramic; Carbide; Other Engineering Material; Composite Core Material

Material Notes: Destech silicon carbide foam is produced by chemical vapor reaction (CVR), in which high temperature silicon bearing gases convert glassy, or vitreous, carbon foam to SiC. Destech SiC foam has no carbon core unlike SiC foams produced by chemical vapor deposition (CVD). SiC foam has increased density and electrical resistivity over its carbon counterpart, good oxidation resistance (up to 1650°C), good abrasion resistance, and excellent corrosion resistance (slight corrosion in molten bases, e.g. KOH). The properties shown are for solid, fine-grained, SiC. Ash content is less than 0.1%. Used for heating elements, electrodes, nozzles, and cylinders. Data provided by the manufacturer, Destech Corporation.

Available Properties
  • Bulk Density, Precursor/core material (fine grained isotropic graphite)
  • Bulk Density, SiC
  • Density, Apparent density (SiC outer layer)
  • Open Porosity, Specified for fine grained SiC surface layer
  • Tensile Strength, Ultimate, Typical for SiC
  • Flexural Strength, Typical for SiC
  • Compressive Yield Strength, Graphite substrate
  • CTE, linear, Precursor/core material (fine grained isotropic graphite)
  • CTE, linear
  • Maximum Service Temperature, Air, Maximum oxidation resistance temperature
Property Data

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