High temperature alloys

Claim 2

blade..]. 12. A shaped object of the alloy of claim .[.1.]. .Iadd.50 .Iaddend.capable of withstanding an applied stress of 94,000 psi at

Claim 3

1,400°F. without rupture for a time in excess of 120 hours. 13. A shaped object of the alloy of claim .[.1.]. .Iadd.12 .Iaddend.capable of withstanding an applied stress of 29,000 psi at 1,800°F. without

Claim 4

rupture for a time in excess of 40 hours. 14. The alloy of claim .[.1.]. .Iadd.50 .Iaddend.which contains, on a weight basis, about 6.0% to about 17% chromium, about 2% to about 8% aluminum, .[.about 0.75% to about 3% titanium, about 2% to about 17% cobalt,.]. and about 40% to 80% by weight

Claim 5

nickel. 15. The nickel base alloy of claim 14 wherein the carbon content

Claim 6

is no more than 0.025% by weight. 16. A cast component for use in a gas

Claim 7

is no more than 0.025% by weight. 16. A cast component for use in a gas

Claim 8

turbine engine formed of the alloy of claim 14. 17. A cast component for

Claim 9

use in a gas turbine engine formed of the alloy of claim 15. 18. The alloy of claim .[.1.]. .Iadd.50 .Iaddend.which contains, on a weight basis, about 5% to 12% chromium, about 4% to about 8% aluminum, .[.about 0.75% to about 2.5% titanium,.]. about 5% to about 15.5% cobalt, and about 40% to

Claim 10

80% by weight nickel. 19. The nickel base alloy of claim 18 wherein the

Claim 11

carbon content is no more than 0.025 by weight. 20. A cast component for

Claim 12

carbon content is no more than 0.025 by weight. 20. A cast component for

Claim 13

use in a gas turbine engine formed of the alloy of claim 18. 21. A cast component for use in a gas turbine engine formed of the alloy of claim 19.

Claim 14

A nickel base alloy for use at relatively high temperatures consisting essentially of the following elements in the weight percent ranges set forth: Elements Percent ______________________________________ Chromium 6 - 17 Aluminum 2 - 8 Titanium 0.75 - 3 Boron 0.05 - 0.3 Carbon 0.00 - 0.05 Cobalt 2 - 17 Columbium 0.25 - 3 Molybdenum 0.00- 3 Tantalum 0.00 - 3 Tungsten 5 - 20 Zirconium 0.001 - 0.5 ______________________________________ the balance of the alloy being essentially nickel and minor amounts of impurities and incidental elements which do not detrimentally affect the basic characteristics of the alloy, said nickel being present in an amount

Claim 15

A nickel base alloy for use at relatively high temperatures consisting essentially of the following elements in the weight percent ranges set forth: Elements Percent ______________________________________ Chromium 6 - 17 Aluminum 2 - 8 Titanium 0.75 - 3 Boron 0.05 - 0.3 Carbon 0.00 - 0.05 Cobalt 2 - 17 Columbium 0.25 - 3 Molybdenum 0.00- 3 Tantalum 0.00 - 3 Tungsten 5 - 20 Zirconium 0.001 - 0.5 ______________________________________ the balance of the alloy being essentially nickel and minor amounts of impurities and incidental elements which do not detrimentally affect the basic characteristics of the alloy, said nickel being present in an amount

Claim 16

of from about 40% to 80% by weight. 23. The nickel base alloy of claim 22

Claim 17

wherein the boron content is about 0.07% to about 0.25% by weight. 24. The nickel base alloy of claim 22 wherein the carbon content is no more than

Claim 18

025 by weight. 25. A cast component for use in a gas turbine engine

Claim 19

025 by weight. 25. A cast component for use in a gas turbine engine

Claim 20

formed of the alloy of claim 22. 26. A cast component for use in gas

Claim 21

turbine engine formed of the alloy of claim 24. 27. A nickel base alloy for use at relatively high temperatures consisting essentially of the following elements in the weight percent ranges set forth: Elements Percent ______________________________________ Chromium 8 - 10.25 Aluminum 4.75 - 5.5 Titanium 1 - 2.5 Boron 0.05 - 0.3 Carbon 0.00 - 0.05 Cobalt 8 - 12 Columbium 0.75 - 1.8 Tungsten 11 - 16 Zirconium 0.00 - 0.20 ______________________________________ the balance of the alloy being essentially nickel and minor amounts of impurities and incidental elements which do not detrimentally affect the

Claim 22

basic characteristics of the alloy. 28. The nickel base alloy of claim 27

Claim 23

wherein the boron content is about 0.07% to about 0.25% by weight. 29. The nickel base alloy of claim 27 wherein the carbon content is no more than

Claim 24

025% by weight. 30. A cast component for use in a gas turbine engine

Claim 25

025% by weight. 30. A cast component for use in a gas turbine engine

Claim 26

formed of the alloy of claim 27. 31. The component of claim 30 in which

Claim 27

said component is a turbine blade. 32. A cast component for use in a gas

Claim 28

said component is a turbine blade. 32. A cast component for use in a gas

Claim 29

turbine engine formed of the alloy of claim 29. 33. The component of claim

Claim 30

32 wherein said component is a turbine blade. 34. A shaped object of the alloy of claim 27 capable of withstanding an applied stress of 94,000 psi at 1,400° F. without rupture for a time in excess of 120 hours.

Claim 31

A shaped object of the alloy of claim 29 capable of withstanding an applied stress of 29,000 psi at 1,800° F. without rupture for a

Claim 32

time in excess of 40 hours. 36. A nickel base alloy for use at relatively high temperatures consisting essentially of the following elements in the weight percent ranges set forth: Elements Percent ______________________________________ Chromium 5 - 12 Aluminum 4 - 8 Titanium 0.75 - 2.5 Boron 0.05 - 0.3 Carbon 0.00 - 0.05 Cobalt 5 - 15.5 Columbium 0.00 - 0.20 Molybdenum 3 - 8 Tantalum 2.3 - 10 Tungsten 0.00 - 2.5 Zirconium 0.00 - 1 ______________________________________ the balance of the alloy being essentially nickel and minor amounts of impurities and incidental elements which do not detrimentally affect the basic characteristics of the alloy, said nickel being present in an amount

Claim 33

time in excess of 40 hours. 36. A nickel base alloy for use at relatively high temperatures consisting essentially of the following elements in the weight percent ranges set forth: Elements Percent ______________________________________ Chromium 5 - 12 Aluminum 4 - 8 Titanium 0.75 - 2.5 Boron 0.05 - 0.3 Carbon 0.00 - 0.05 Cobalt 5 - 15.5 Columbium 0.00 - 0.20 Molybdenum 3 - 8 Tantalum 2.3 - 10 Tungsten 0.00 - 2.5 Zirconium 0.00 - 1 ______________________________________ the balance of the alloy being essentially nickel and minor amounts of impurities and incidental elements which do not detrimentally affect the basic characteristics of the alloy, said nickel being present in an amount

Claim 34

of from about 40% to 80% by weight. 37. The nickel base alloy of claim 36

Claim 35

wherein the boron content is about 0.07% to about 0.25% by weight. 38. The nickel base alloy of claim 36 wherein the carbon content is no more than

Claim 36

025% by weight. 39. A cast component for use in a gas turbine engine

Claim 37

025% by weight. 39. A cast component for use in a gas turbine engine

Claim 38

formed of the alloy of claim 36. 40. A cast component for use in a gas

Claim 39

turbine engine formed of the alloy of claim 38. 41. A nickel base alloy for use at relatively high temperatures consisting essentially of the following elements in the weight percent ranges set forth: Elements Percent ______________________________________ Chromium 7.5 - 8.5 Aluminum 5.75 - 6.25 Titanium 0.8 - 1.2 Boron 0.05 - 0.3 Carbon 0.00 - 0.05 Cobalt 9.5 - 10.5 Molybdenum 5.75 - 6.25 Tantalum 4.0 - 4.5 Zirconium 0.05 - 0.10 ______________________________________ the balance of the alloy being essentially nickel and minor amounts of impurities and incidental elements which do not detrimentally affect the

Claim 40

basic characteristics of the alloy. 42. The nickel base alloy of claim 41

Claim 41

wherein the boron content is about 0.07% to about 0.25% by weight. 43. The nickel base alloy of claim 41 wherein the carbon content is no more than

Claim 42

025% by weight. 44. A cast component for use in a gas turbine engine

Claim 43

025% by weight. 44. A cast component for use in a gas turbine engine

Claim 44

formed of the alloy of claim 41. 45. The component of claim 44 in which

Claim 45

said component is a turbine blade. 46. A cast component for use in a gas

Claim 46

said component is a turbine blade. 46. A cast component for use in a gas

Claim 47

turbine engine formed of the alloy of claim 43. 47. The component of claim

Claim 48

46 wherein said component is a turbine blade. 48. A shaped object of the alloy of claim 41 capable of withstanding an applied stress of 94,000 psi at 1,400° F. without rupture for a time in excess of 120 hours.

Claim 49

A shaped object of the alloy of claim 43 capable of withstanding an applied stress of 29,000 psi at 1,800° F. without rupture for a

Claim 50

time in excess of 40 hours. 50. A nickel base alloy for use at relatively high temperatures consisting essentially of the following elements in the weight percent ranges set forth: ELEMENTS PERCENT ______________________________________ Chromium 5-22 Aluminum 0.2-8 Titanium 0.5-7 Boron 0.05-0.3 Carbon less than 0.05 Cobalt 2-17 Columbium 0.00-3 Molybdenum 0.00-8 Tantalum 0.00-10 Vanadium 0.00-2 Tungsten 0.00-20 Rhenium 0.00-2 Zirconium 0.00-1.00 ______________________________________ the balance of the alloy being essentially nickel and minor amounts of impurities and incidental elements which do not detrimentally affect the basic characteristics of the alloy, said nickel being present in an amount

Claim 51

time in excess of 40 hours. 50. A nickel base alloy for use at relatively high temperatures consisting essentially of the following elements in the weight percent ranges set forth: ELEMENTS PERCENT ______________________________________ Chromium 5-22 Aluminum 0.2-8 Titanium 0.5-7 Boron 0.05-0.3 Carbon less than 0.05 Cobalt 2-17 Columbium 0.00-3 Molybdenum 0.00-8 Tantalum 0.00-10 Vanadium 0.00-2 Tungsten 0.00-20 Rhenium 0.00-2 Zirconium 0.00-1.00 ______________________________________ the balance of the alloy being essentially nickel and minor amounts of impurities and incidental elements which do not detrimentally affect the basic characteristics of the alloy, said nickel being present in an amount

Claim 52

of from about 35% to 85% by weight. 51. The nickel base alloy of claim 50

Claim 53

wherein the boron content is about 0.07% to about 0.25% by weight. 52. The nickel base alloy of claim 51 wherein the carbon content is no more than

Claim 54

025% by weight. 53. A cast component for use in a gas turbine engine formed of the alloy of claim 50. .Iadd. 54. The nickel base alloy of claim 50 wherein the molybdenum content is 0.00 - 3% and the tungsten content is 5 - 20%. .Iaddend..Iadd. 55. The nickel base alloy of claim 50 wherein the molybdenum content is 3 - 8%, the tungsten content is < 2.5%, and the tantalum content is 2.3 - 10%. .Iaddend..Iadd. 56. The nickel base alloy of claim 50 wherein the cobalt content is 5 to 15.5% cobalt. .Iaddend. .Iadd. 57. A nickel base alloy for use at relatively high temperatures consisting essentially of the following elements in the weight percent ranges set forth: Elements Percent ______________________________________ Chromium 5 - 12 Aluminum 2 - 8 Titanium 0.5 - 7 Boron 0.05 - 0.3 Carbon less than 0.05% Cobalt 2 - 17 Columbium 0.00 - 3 Molybdenum 0.00 - 8 Tantalum 0.00 - 3 Vanadium 0.00 - 2 Tungsten < 2.5 Rhenium 0.00 - 2 Zirconium 0.00 - 1.00 ______________________________________ the balance of the alloy being essentially nickel and minor amounts of impurities and incidental elements which do not detrimentally affect the basic characteristics of the alloy, said nickel being present in an amount of from about 35% to 85% by weight. .Iaddend..Iadd. 58. The nickel base alloy of claim 57 wherein the tungsten and vanadium contents are essentially 0. .Iaddend..Iadd. 59. A cast component for use in a gas turbine engine formed of the alloy of claim 57. .Iaddend..Iadd. 60. The nickel base alloy of claim 57 wherein the carbon content is no more than 0.025% by weight. .Iaddend. .Iadd. 61. A nickel base alloy for use at relatively high temperatures consisting essentially of the following elements in the weight percent ranges set forth: ELEMENTS PERCENT ______________________________________ Chromium 5-22 Aluminum 0.2-8 Titanium 0.5-7 Boron 0.05-0.3 Carbon less than 0.05 Columbium 0.00-3 Cobalt 5-15.5 Molybdenum < 3 Tantalum 0-10 Vanadium 0.00-2 Tungsten 0.00-20 Rhenium 0.00-2 Zirconium 0.00-1.00 ______________________________________ the balance of the alloy being essentially nickel and minor amounts of impurities and incidental elements which do not detrimentally affect the basic characteristics of the alloy, said nickel being present in an amount of from about 35% to 85% by weight. .Iaddend..Iadd. 62. The nickel base alloy of claim 61 wherein the carbon content is no more than 0.025% by weight. .Iaddend..Iadd. 63. The nickel base alloy of claim 61 wherein the chromium content is 5 - 12% and the tungsten content is 5 - 20%. .Iaddend. .Iadd. 64. The alloy of claim 61, which contains, on a weight basis, about 2.3% to about 10% tantalum. .Iaddend..Iadd. 65. The alloy of claim 64 which contains, on a weight basis, 5-20% tungsten. .Iaddend..Iadd. 66. The alloy of claim 61, which contains, on a weight basis, less than 3% tantalum. .Iaddend..Iadd. 67. The alloy of claim 14 which contains, on a weight basis, 0 to about 3% molybdenum, 0 to about 3% tantalum, about 5% to about 20% tungsten, and about 0.001 to about 0.5% zirconium. .Iaddend..Iadd. 68. The alloy of claim 18, which contains, on a weight basis, about 3% to about 8% molybdenum, about 2.3% to about 10% tantalum, and 0 to about 2.5% tungsten.