Rapidly solidified nickel aluminide alloy

Details Rapidly solidified nickel aluminide alloy Rapidly solidified nickel aluminide alloy

1986-06-05

1987-05-26

Brody, Christopher W.

Metal treatment

Stock

Nickel base

420460, C22C 1900

Patent

active

046683119

ABSTRACT:
A substantial increase in strength of a boron doped nickel aluminide is achieved by employing a substituent metal in the Ni.sub.3 Al composition to replace a part of the aluminum. Vanadium and silicon are successfully substituted for a portion of the aluminum to provide a composition:

REFERENCES:
patent: 4055447 (1977-10-01), Jackson
patent: 4359352 (1982-11-01), Ray et al.
patent: 4478791 (1984-10-01), Huang et al.
Liu, C. T., White, C. L., Koch, C. C., and Lee, E. H., "Preparation of Ductile Nickel Aluminides for High Temperature Use", Proc. Electrochemical Soc. on High Temp. Mat., ed. M. Cubicciotti, 84-7, Electrochem. Soc. Inc., (1983), p. 32.
Liu, C. T. and Koch, C. C., "Development of Ductile Polycrystalline Ni.sub.3 Al for High-Temperature Applications", Technical Aspects of Critical Materials Use by the Steel Industry, IIB, (1983), pp. 42-1-42-19.

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