Ductile tungsten-nickel alloy and method for making same

Details Ductile tungsten-nickel alloy and method for making same Ductile tungsten-nickel alloy and method for making same

1975-02-18

1976-09-07

Padgett, Benjamin

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75224, 29182, B22F 100, B22F 102

Patent

active

039792099

ABSTRACT:
The present invention is directed to a ductile, high-density tungsten-nickel alloy which possesses a tensile strength in the range of 100,000 to 140,000 psi and a tensile elongation of 3.1 to 16.5 percent in 1 inch at 25.degree.C. This alloy is prepared by the steps of liquid phase sintering a mixture of tungsten-0.5 to 10.0 weight percent nickel, heat treating the alloy at a temperature above the ordering temperature of approximately 970.degree.C. to stabilize the matrix phase, and thereafter rapidly quenching the alloy in a suitable liquid to maintain the matrix phase in a metastable, face-centered cubic, solid- solution of tungsten in nickel.

REFERENCES:
patent: 3037982 (1967-03-01), Milligan et al.
patent: 3116146 (1963-12-01), Gatti
patent: 3175903 (1965-03-01), Herron
patent: 3241955 (1966-03-01), Neeley
patent: 3359082 (1967-12-01), Dickinson
patent: 3395013 (1968-07-01), Friedman
patent: 3888636 (1975-06-01), Sczerzenic et al.

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