Protective coating on a steel surface

Details Protective coating on a steel surface Protective coating on a steel surface

1977-04-06

1980-02-12

Andrews, M. J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

428679, 428626, 428656, 428685, 428682, 428686, 428925, 428926, 428937, B32B 1518

Patent

active

041884582

ABSTRACT:
Steel surfaces are protected from erosion and corrosion by a coating which includes at least three metallic layers of increasing normal potential from the base layer lying on the steel surface to that layer farthest from the steel surface. Also, the base layer immediately adjacent the steel surface has approximately the same normal potential as the steel surface.

REFERENCES:
patent: 2490978 (1949-12-01), Osterheld
patent: 3245577 (1966-04-01), Virzi
patent: 3915666 (1975-10-01), Veitl et al.
patent: 3944396 (1976-03-01), Chivinsky

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