Two-stage process for electrolytically polishing metal surfaces

Details Two-stage process for electrolytically polishing metal surfaces Two-stage process for electrolytically polishing metal surfaces

1996-05-08

1998-11-17

Valentine, Donald R.

Electrolysis: processes, compositions used therein, and methods

Product produced by electrolysis involving electrolytic...

205198, 205200, 205201, 205210, 205212, 205213, 205321, 205322, 205323, 205324, 205332, 216 88, 428471, 4284721, 4284722, C25D 1116, C25D 1118

Patent

active

058371176

ABSTRACT:
A process for polishing a metal surface, typically based on Al, Mg, Ta, Ti, Zr, Hf or their alloys, comprises a first conventional polishing step by chemical or electrolytic means and a second electrolytic micro-polishing step by anodizing in a mineral, organic or mixed acid solution to form a oxide layer of the barrier type having a thickness between 100 and 500 nm.

REFERENCES:
patent: 2703781 (1955-03-01), Hesch et al.
patent: 2708655 (1955-05-01), Turner
patent: 3734837 (1973-05-01), Blair et al.
patent: 4444628 (1984-04-01), Furukawa et al.
patent: 5102508 (1992-04-01), Bartkowski et al.

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