Goodfellow Reaction Bonded Silicon Carbide SiC

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Goodfellow Reaction Bonded Silicon Carbide SiC
Categories:	Ceramic; Carbide
Material Notes:	Produced by silicon infiltration into a pre-formed silicon carbide/carbon powder green body, which is subsequently fired. This gives rise to around 10% free silicon, which fills the pores. The resulting microstructure has low porosity and a very fine grain. Shaping is normally carried out before firing, but the fired compact can be diamond ground to around 0.01 mm tolerance. Iit is difficult to machine after firing. The material has high strength up to 1350°C which results in its use as high temperature gas turbine components. The high hardness (harder than tungsten carbide) means that it is used extensively for bearings and seals. The high thermal conductivity combined with low thermal expansion leads to good thermal shock resistance. RBSC can tolerate a wider range of acids and alkalis than either tungsten carbide or alumina. Its oxidation resistance helps to give long service life in furnace applications. Information provided by Goodfellow.
Key Words:	REFEL F®; RBSC
Vendors:

Available Properties
Density Porosity, Apparent Hardness, Vickers, kgf/mm² Tensile Modulus Compressive Strength Volume Resistivity Dielectric Constant CTE, linear Specific Heat Capacity Thermal Conductivity Maximum Service Temperature, Air SiC

Property Data

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