Corrosion resistant coating

Details Corrosion resistant coating Corrosion resistant coating

1989-05-16

1990-01-30

Silverberg, Sam

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

C23C 2282

Patent

active

048971294

ABSTRACT:
A process for improving the corrosion resistance of an iron or steel part having a phosphate conversion coating, said method comprising contact of said part with a solution containing ions selected from the group of cobalt ions and nickel ions. Preferably, the solution also containing stannous ions. Contact may be by immersion or spraying.

REFERENCES:
patent: 2164042 (1939-06-01), Romig
patent: 2326309 (1943-08-01), Romig
patent: 2351605 (1944-06-01), Gibson
patent: 2478954 (1949-08-01), Tuttle et al.
patent: 3118792 (1964-01-01), Tuttle et al.
patent: 3895970 (1975-07-01), Blum
patent: 4168983 (1979-09-01), Vittands et al.

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