Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Utilizing nonaqueous bath
Patent
1990-10-25
1993-02-09
Tufariello, T. M.
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Utilizing nonaqueous bath
C25D 1126
Patent
active
051850753
ABSTRACT:
Surface treated titanium and titanium alloy articles having a thin anodized film substantially of TiO.sub.2 and characterized by a leakage current of less than about 25 microamps per square centimeter and a dielectric strength of at least one million volts per square centimeter, together with a high breakdown potential and high corrosion resistance, is disclosed. The process for forming such titanium and titanium alloy articles is also disclosed and is characterized by anodizing the articles in a substantially non-aqueous solution of a mineral acid and an organic solvent at a formation current above 0.1 microamps per square centimeter.
REFERENCES:
patent: 3331993 (1967-07-01), Brown
patent: 3410766 (1968-11-01), Schmidt
Melody Brian
Rosenberg Harry W.
Bogdon Paul
The Alta Group
Tufariello T. M.
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