Method of forming porcelain enamels on aluminized steel

Details Method of forming porcelain enamels on aluminized steel Method of forming porcelain enamels on aluminized steel

1982-03-09

1984-07-17

Childs, Sadie L.

Coating processes

With post-treatment of coating or coating material

Heating or drying

4273764, 4273765, 427380, 427387, 4273881, 4273978, 427405, 4274194, B05D 302

Patent

active

044606303

ABSTRACT:
In a method of forming porcelain enamel layer on a metal substrate, the method comprises steps of applying a first coating for an underlying ground layer and a second coating for overlying self-cleaning layer or coloring layer, and the method is characterized by firing both of said first coating and said second coating at the same time, forming a double layered porcelain enamel layer having an inter-layer wherein both layers are mixed, thus giving a sufficient bonding force inbetween as well as strong corrosion resistivity of the substrate due to few pinholes and bubbles in the underlying ground coating.

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Yamada et al., Metal Surface Technology, vol. 14, No. 10, 1963.

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