Process for surface treating parts made of ceramic material

Details Process for surface treating parts made of ceramic material Process for surface treating parts made of ceramic material

1977-10-03

1979-06-26

Lawrence, Evan K.

Coating processes

Coating by vapor, gas, or smoke

Metal coating

427255, 427294, 427376A, 427380, 427383B, 427399, B05D 302

Patent

active

041593570

ABSTRACT:
A process for surface treating ceramic parts so as to increase their resistance to oxidation when exposed to high temperatures. The process includes applying a metal coating to the ceramic part, and thereafter heating the part to form a glass surface layer with the metal oxide built into the lattice of the glass layer. The metals employed may be aluminum, magnesium, titanium, lead, zinc, cadmium, or rare-earth elements. The heat treatment is performed in more than one stage.

REFERENCES:
patent: 1818904 (1931-08-01), Martin
patent: 3012902 (1961-12-01), Bayer
patent: 3047424 (1962-07-01), Suchoff
patent: 3063865 (1962-11-01), Baer et al.
patent: 3215555 (1965-11-01), Krey
patent: 3450574 (1969-06-01), Read
Handbook of Chemistry and Physics, 47th Ed., Cleveland, Ohio, The Chemical Rubber Co., 1966, p. B-149.

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