Protective coatings for metal parts to be used at high temperatu

Details Protective coatings for metal parts to be used at high temperatu Protective coatings for metal parts to be used at high temperatu

1992-10-26

1995-01-17

Niebling, John

Electrolysis: processes, compositions used therein, and methods

Product produced by electrolysis involving electrolytic...

205171, 205175, 205224, 205229, 205917, C25D 1112, C25D 1134

Patent

active

053823478

ABSTRACT:
A method for producing protecting layers on a metal selected from aluminum, titanium and zirconium, or alloys thereof, involves at least two anodic oxidation steps producing oxide layers and a thermal treatment which is carried out before or simultaneously with last anodic oxidation step. The treated metal according to the invention is protected even at high temperatures and under conditions of thermal cycling.

REFERENCES:
patent: 3666638 (1972-05-01), Harris et al.
patent: 4414077 (1983-11-01), Yoshida et al.
patent: 4450049 (1984-05-01), Nakata et al.
patent: 4481084 (1984-11-01), Chen et al.
patent: 4554057 (1985-11-01), Mohr
patent: 4936957 (1990-06-01), Dickey et al.
patent: 5158663 (1992-10-01), Yahalom
Chemical Abstract vol. 105, No. 16, Oct. 1986, abstract No. 142147p, Anodizing Aluminum, Speranskaya, E. F. et al.

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