Process for preparation of metal coatings

Details Process for preparation of metal coatings Process for preparation of metal coatings

1974-09-19

1976-07-06

Newsome, John H.

Coating processes

Measuring, testing, or indicating

Thickness or uniformity of thickness determined

204164, 427 40, B05D 106

Patent

active

039682706

ABSTRACT:
A metal electrodeposition process that can provide an anti-corrosive and protective metal coating tightly bonded on the surface of a substrate is disclosed, said process comprising positively charging a metal vapor in steam or an inert gas maintained at a low pressure and electrically depositing the metal on the surface of a substrate which is negatively charged. When the so formed metal coating is impregnated with an organic silicon compound such as ethyl silicate and is subjected to a high temperature treatment, the metal coating is stabilized and the corrosion resistance of the metal coating is further improved.

REFERENCES:
patent: 2686654 (1954-08-01), Roush
patent: 3290567 (1966-12-01), Gowen
patent: 3562141 (1971-02-01), Morley
patent: 3639151 (1972-02-01), Krutenat
patent: 3677796 (1972-07-01), Girard et al.

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