Protection Against the Oxidation of Composite Material Parts Containing Carbon and Parts thus Protected
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United States of America Patent
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Issued Date -
Aug 30, 2007
app pub date -
Jul 29, 2004
filing date -
Jul 31, 2003
priority date (Note) -
Abandoned
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Abstract
A part made of a composite material containing carbon, having an open internal residual porosity is protected against oxidation by performing at least one stage in which an impregnating composition is applied, said impregnating composition containing at least one metal phosphate and titanium diboride. Efficient protection against oxidation is thus obtained at temperatures of more than 1000.degree. C., also in the presence of a carbon oxidation catalyst and in a damp medium.
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