Patent ID: 6194096
Filing Date: 2001-02-27
Classification: C04B,C25C

Abstract:
A method of treating a carbon body which is subject to oxidizing gases, to improve the resistance of the body to deterioration by said oxidizing gases and to reduce strength loss exhibited by a carbon body treated only with boron, which comprises impregnating said body to a depth of 0.5 to 10 cm with a treating agent containing at least one soluble boron compound is a solvent that contains at least one additive selected from the group consisting of aluminum compounds, calcium compounds, sodium compounds, magnesium compounds, silicon compounds, elemental carbon, and elemental aluminum, said additive being present in an amount effective to reduce the strength loss exhibited by a carbon body treated only with boron, and said additive being in the form of a powder, in suspension, as a colloid, or in solution.