Ductile nickel-silicon alloy

Details Ductile nickel-silicon alloy Ductile nickel-silicon alloy

1987-05-01

1989-02-21

Dean, R.

Alloys or metallic compositions

Nickel base

Copper containing

420458, 420459, 420582, 420587, 420902, C22C 1900

Patent

active

048063053

ABSTRACT:
Disclosed is a series of silicon rich nickel-base alloys that have a high degree of ductility and hot working properties. The alloys have the corrosion resistant characteristics comparable to cast HASTELLOY.RTM. alloy D (Ni - 9 Si - 3 Cu). The alloys have good tensile strength at temperatures up to 600.degree. C. comparing favorably with Alloy IN 718. In addition, the alloys may be produced by super plastic forming (isothermal forging). The nickel-base alloy typically contains 7 to 14% silicon, 0.5 to 6% vanadium, plus a number of optional modifying elements.

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