Cobalt-based hard facing alloy

Details Cobalt-based hard facing alloy Cobalt-based hard facing alloy

2001-10-29

2004-09-21

Jenkins, Daniel (Department: 1742)

Alloys or metallic compositions

Cobalt base

Chromium containing

Reexamination Certificate

active

06793878

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention pertains to a cobalt-based hard facing alloy. More particularly, the present invention pertains to a cobalt-based hard facing alloy useful as a facing or coating for substrate materials. The inventive cobalt-based hard facing alloy is particularly useful as a hard facing material for gas turbine engine components, such as the shrouds of a gas turbine engine blade.


REFERENCES:
patent: 1057423 (1913-04-01), Haynes
patent: 4058415 (1977-11-01), Walter
patent: 4437913 (1984-03-01), Fukui et al.
patent: 5242758 (1993-09-01), Hitchcock et al.
patent: 5422072 (1995-06-01), Mitsuhashi et al.
patent: 6485678 (2002-11-01), Liang et al.

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