Nickel base superalloys having low chromium and cobalt contents

Details Nickel base superalloys having low chromium and cobalt contents Nickel base superalloys having low chromium and cobalt contents

1985-11-01

1989-12-19

Dean, Richard

Metal treatment

Stock

Directionally solidified

148409, 148410, C22C 1903

Patent

active

048880698

ABSTRACT:
Single crystal nickel base superalloys, having low chromium and cobalt contents are described. The alloys have a unique combination of aluminum, tantalum, and rhenium, which results in surprisingly good oxidation and corrosion resistance, and a melting point in excess of 2500.degree. F. The properties of the alloys of the present invention make them suitable for use as components in the high temperature section of gas turbine engines.

REFERENCES:
patent: 4292076 (1981-09-01), Gigliotti et al.

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