High-temperature fabricable nickel-iron aluminides

Details High-temperature fabricable nickel-iron aluminides High-temperature fabricable nickel-iron aluminides

1985-05-06

1988-02-02

Dean, R.

Alloys or metallic compositions

Nickel base

Rare earth containing

C22C 1903

Patent

active

047228288

ABSTRACT:
Nickel-iron aluminides are described that are based on Ni.sub.3 Al, and have significant iron content, to which additions of hafnium, boron, carbon and cerium are made resulting in Ni.sub.3 Al base alloys that can be fabricated at higher temperatures than similar alloys previously developed. Further addition of molybdenum improves oxidation and cracking resistance. These alloys possess the advantages of ductility, hot fabricability, strength, and oxidation resistance.

REFERENCES:
Researchers Improve the Ductility of Nickel Aluminides, Iron Age, Sep. 24, 1982.

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