High-temperature protective coating

Details High-temperature protective coating High-temperature protective coating

1988-11-28

1990-11-27

Dean, R.

Alloys or metallic compositions

Nickel base

Chromium containing

420445, 428679, 428680, C22C 1905

Patent

active

049734458

ABSTRACT:
An alloy for coating austenitic super alloy materials for high-temperature service is provided. It comprises a nickel, chromium, aluminum alloy with at least one metal of Group IV and/or one transition metal of Group V of the periodic table as additives and yttrium, and/or hafnium included to improve adhesion of the alloy coating and of the aluminum oxide film formed thereon during heat treatment and intended high-temperature service.

REFERENCES:
patent: 4312682 (1982-01-01), Herchenroeder

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