Method of preparing oxidation resistant coatings

Details Method of preparing oxidation resistant coatings Method of preparing oxidation resistant coatings

1989-04-04

1998-06-02

Niebling, John F.

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Forming multiple superposed electrolytic coatings

205191, 205228, C23C 2802, C25D 512

Patent

active

057593809

ABSTRACT:
A method of forming a protective coating of a CrRuAl alloy is provided. The substrate to be coated is first plated with a combination of chromium and ruthenium. Next, the coated substrate is aluminized with fine aluminum powder in an aluminum oxide pack at about 1150.degree. C. The coating formed is resistant to atmospheric attack and protects the substrate.

REFERENCES:
patent: 3692554 (1972-09-01), Burgardt et al
patent: 3817793 (1974-06-01), Kuhlman et al.
patent: 3918139 (1975-11-01), Felten
patent: 3922396 (1975-11-01), Speirs et al.
patent: 4123595 (1978-10-01), Chang
patent: 4477538 (1984-10-01), Clarke

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