Method for applying protective coatings

Details Method for applying protective coatings Method for applying protective coatings

1986-02-24

1987-05-05

Beck, Shrive P.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427423, 427409, 20419231, B05D 102, B05D 108

Patent

active

046631810

ABSTRACT:
Flame sprayed aluminum coatings have been shown to be of excellent value in providing cathodic protection to steel structures in a marine environment. The common method of applying flame sprayed aluminum to a steel substrate comprises providing an anchor pattern to the substrate. Such anchor pattern can result in fatigue cracking of the substrate developing within the surface discontinuities of the anchor pattern. The present invention provides a method for providing a layered, ion sputtered aluminum base coating of the substrate to which a flame sprayed aluminum coating may adhere without the need for a roughened surface on the substrate with its consequent potential for reduction of fatigue strength.

REFERENCES:
patent: 4232056 (1980-11-01), Grant et al.
patent: 4335190 (1982-06-01), Bill et al.
patent: 4382976 (1983-05-01), Restall
patent: 4576874 (1986-03-01), Spengler et al.

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