Method for improving corrosion resistance of bright annealed sta

Details Method for improving corrosion resistance of bright annealed sta Method for improving corrosion resistance of bright annealed sta

1985-04-12

1986-09-16

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25F 100

Patent

active

046120955

ABSTRACT:
A method for improving corrosion resistance of bright annealed stainless steel is provided, in which the bright annealed stainless steel is subjected to alternating electrolysis in an aqueous nitric acid solution having a nitric acid concentration of 7 weight % or less in such a way that the stainless steel treated become an anode at least twice with the anode in the final run of electrolysis.

REFERENCES:
patent: 3287237 (1966-11-01), Wilton
patent: 4129485 (1978-12-01), Shikata

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