Production of reaction-bonded silicon carbide bodies
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United States of America Patent
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Oct 16, 1984
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N/A
app pub date -
Apr 19, 1983
filing date -
Apr 30, 1982
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Expired
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Abstract
Reaction-bonded silicon carbide artefacts are produced by siliconizing a green body formed from a coherent mixture of silicon carbide and carbon powders. The surface of the green body is coated with a paste comprising silicon powder suspended in a carbonizable viscous medium which, on heating of the coating, is converted to an open cellular carbon structure and then, on siliconizing the green body, to a silicon carbide skeleton through which molten silicon is drawn.
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