Method for forming a ceramic coating

Details Method for forming a ceramic coating Method for forming a ceramic coating

1985-06-21

1986-09-30

Childs, Sadie L.

Coating processes

With post-treatment of coating or coating material

Heating or drying

4273764, 4273977, 427427, B05D 302

Patent

active

046146733

ABSTRACT:
A gelled film can be deposited directly on a sensitive substrate to obtain a protective ceramic coating on the substrate. An alumina sol, for example, can be sprayed through a flowing stream of ammonia to create a uniformly thick film, which adheres to metals, plastics, or, in some cases, water soluble materials. This film can then be cured, usually at low firing temperatures, to complete the coating.

REFERENCES:
patent: 2787965 (1957-04-01), Luvisi
patent: 2787966 (1957-04-01), Lyons
patent: 2787967 (1957-04-01), Nohejl
patent: 2787968 (1957-04-01), Luvisi
patent: 4244986 (1981-01-01), Paruso et al.
patent: 4277525 (1981-07-01), Nakayama et al.
patent: 4420517 (1983-12-01), Ali
patent: 4476156 (1984-10-01), Brinker et al.
Nelson et al., "The Coating of Metals with Ceramic Oxides Via Colloidal Intermediates", Thin Solid Films, vol. 81, pp. 329-337, 1981.
Yoldas, "Alumina Sol Preparation from Alkoxides" Ceramic Bulletin, vol. 54, No. 3, pp. 289-290, 1975.

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