Nickel aluminide materials having toughness and ductility at low

Details Nickel aluminide materials having toughness and ductility at low Nickel aluminide materials having toughness and ductility at low

1988-12-13

1990-10-09

Dean, R.

Alloys or metallic compositions

Nickel base

Aluminum containing

148429, 148442, 420580, C22C 1900

Patent

active

049619055

ABSTRACT:
A modified class of nickel aluminide (NiAl) type material is disclosed having useful amounts of toughness and ductility at low temperatures, e.g. room temperature. The basic NiAl material is modified with an additional of the material such as cobalt which produces a structure which is susceptible to undergoing a martensitic transformation. The martensitic structure when produced results in a significant increase in toughness and ductility at low temperatures.

REFERENCES:
patent: 4710247 (1987-12-01), Huang et al.

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