High temperature turbine engine alloys containing gold

Details High temperature turbine engine alloys containing gold High temperature turbine engine alloys containing gold

1992-12-14

1994-12-20

Dean, Richard O.

Alloys or metallic compositions

Nickel base

Chromium containing

420588, C22C 1905, C22C 3000

Patent

active

053743938

ABSTRACT:
Turbine engine alloys modified by the addition of small amounts of gold are found to have improved properties over similar alloys that do not contain Au. These improved alloys have special application in gas turbines and jet engines. A preferred composition range is (46 to 59) wt % Ni-(10 to 14) wt % Co-(15 to 20) wt % Cr-(1 to 1.5) wt % Al-(2.2 to 3.2) wt % Ti-(3.3 to 4.4) wt % Mo-(0.02 to 0.08) wt % C-(0.05 to 0.06) wt % Zr-(0.004 to 0.006) wt % B-(0.02 to 20) wt % Au.

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