Method of providing ceramic article with wear resistant coating

Details Method of providing ceramic article with wear resistant coating Method of providing ceramic article with wear resistant coating

1996-11-12

1998-04-14

Dudash, Diana

Coating processes

Applying superposed diverse coating or coating a coated base

Metallic compound-containing coating

4274191, 4274195, 4274071, 427380, 4272552, 4272556, B05D 136, B05D 302, B05D 724, B05D 138

Patent

active

057389136

ABSTRACT:
An improved method is disclosed to provide a ceramic article with a protective coating which resists mechanical wear at elevated temperatures up to 500.degree. C. and higher. The coating is formed by first treating the ceramic article's surface with transition metal ions deposited at ambient temperatures, thereafter depositing a mixture containing said transition metal ions and a polymer-forming organic reactant on the treated ceramic article surface at ambient temperatures, and heating the ceramic article to at least 300.degree. C. for polymerization of the organic reactant. Ceramic articles provided with such protective coating include silicon carbide, silicon nitride and vitreous silica.

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patent: 5554309 (1996-09-01), Bruce et al.

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