Ceramic adhesive having a sealed porosity

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Details

428698, 428701, 428413, 501 88, 501 89, B32B 2738

Patent

active

054864135

ABSTRACT:
A ceramic adhesive comprises a ceramic matrix formed from a mixture of a metallic oxide and an alkali silicate in water, the ceramic matrix further having a sealed porosity, and silicon carbide whiskers dispersed within the ceramic matrix. Further, a ceramic adhesive comprises a ceramic matrix formed from a mixture of magnesium oxide in the range of about 50% to about 80% by weight and sodium silicate in water in the range of about 50% to about 20% by weight, and silicon carbide whiskers dispersed within said ceramic matrix, the whiskers being in the range of about 3% to about 25% by weight of the ceramic matrix. The porosity of the ceramic adhesive is sealed by an organic epoxy resin. A ceramic adhesive of the present invention is particularly useful in mounting and bonding in-cylinder sensors to steel internal engine parts.

REFERENCES:
patent: 2114166 (1938-04-01), Leeuw
patent: 4231800 (1980-11-01), Holt et al.
patent: 4981511 (1991-01-01), Schmidberger et al.
patent: 5006423 (1991-04-01), Draskovich
patent: 5108963 (1992-04-01), Fu et al.

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