WO2002026015A3 - Gas turbine blade alloy - Google Patents
Gas turbine blade alloy Download PDFInfo
- Publication number
- WO2002026015A3 WO2002026015A3 PCT/US2001/026744 US0126744W WO0226015A3 WO 2002026015 A3 WO2002026015 A3 WO 2002026015A3 US 0126744 W US0126744 W US 0126744W WO 0226015 A3 WO0226015 A3 WO 0226015A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gas turbine
- turbine blade
- niobium
- cobalt
- chromium
- Prior art date
Links
- 239000000956 alloy Substances 0.000 title abstract 4
- 229910045601 alloy Inorganic materials 0.000 title abstract 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 6
- 229910052759 nickel Inorganic materials 0.000 abstract 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- 229910052804 chromium Inorganic materials 0.000 abstract 2
- 239000011651 chromium Substances 0.000 abstract 2
- 239000010941 cobalt Substances 0.000 abstract 2
- 229910017052 cobalt Inorganic materials 0.000 abstract 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 229910052758 niobium Inorganic materials 0.000 abstract 2
- 239000010955 niobium Substances 0.000 abstract 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 abstract 2
- 239000010936 titanium Substances 0.000 abstract 2
- 229910052719 titanium Inorganic materials 0.000 abstract 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- 238000005266 casting Methods 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- 229910052715 tantalum Inorganic materials 0.000 abstract 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/056—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
A nickel based alloy suitable for casting into a single crystal structure and for use in making gas turbine components, such as rotating blades, is provided. A first series of alloy compositions in accordance with the present invention comprises the following range of elements, in weight percent: aluminum 3.4 to 4.0; titanium 3.0 to 4.7; tantalum 0.8 to 2.0; chromium 13.75 to 15.5; cobalt 8.0 to 8.5; niobium up to 1.0; tungsten 2.0 to 4.5; molybdenum 0.1 to 2.0; and the balance nickel. A second series of alloy compositions in accordance with the present invention comprises the following range of elements, in weight percent: aluminum 4.7 to 5.3; titanium 1.8 to 3.0; chromium 15.2 to 16.3; cobalt 6.4 to 8.75; niobium 0.75 to 4.0; and the balance nickel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US67063300A | 2000-09-27 | 2000-09-27 | |
| US09/670,633 | 2000-09-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2002026015A2 WO2002026015A2 (en) | 2002-04-04 |
| WO2002026015A3 true WO2002026015A3 (en) | 2002-06-13 |
Family
ID=24691185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2001/026744 WO2002026015A2 (en) | 2000-09-27 | 2001-08-28 | Gas turbine blade alloy |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2002026015A2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9752441B2 (en) * | 2012-01-31 | 2017-09-05 | United Technologies Corporation | Gas turbine rotary blade with tip insert |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0669403A2 (en) * | 1993-12-03 | 1995-08-30 | Westinghouse Electric Corporation | Gas turbine blade alloy |
-
2001
- 2001-08-28 WO PCT/US2001/026744 patent/WO2002026015A2/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0669403A2 (en) * | 1993-12-03 | 1995-08-30 | Westinghouse Electric Corporation | Gas turbine blade alloy |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002026015A2 (en) | 2002-04-04 |
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