Creep, stress rupture and hold-time fatigue crack resistant...

Details Creep, stress rupture and hold-time fatigue crack resistant... Creep, stress rupture and hold-time fatigue crack resistant...

C - Chemistry, Metallurgy

22

C

148/10, 75/108,

C22C 1/00 (2006.01) B22F 5/00 (2006.01) C22C 19/05 (2006.01) C22F 1/10 (2006.01) F01D 5/28 (2006.01)

Patent

CA 2023399

13DV-9729 CREEP, STRESS RUPTURE AND HOLD-TIME FATIGUE CRACK RESISTANT ALLOYS AND METHOD FOR MAKING ABSTRACT OF THE DISCLOSURE Improved, creep-stress rupture and hold-time fatigue resistant nickel base alloys for use at elevated temperatures are disclosed. The alloys are suitable for use as turbine disks in gas turbine engines of the type used in jet engines, or for use as rim sections of dual alloy turbine disks for advanced turbine engines and are capable of operation at temperatures up to about 1500°F. A method for achieving the desired properties in such turbine disks is also disclosed.

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