EP1284337A1 - Verfahren zur Bearbeitung einer beschichteten Gasturbinenschaufel und beschichtetes Gasturbinenschaufel - Google Patents
Verfahren zur Bearbeitung einer beschichteten Gasturbinenschaufel und beschichtetes Gasturbinenschaufel Download PDFInfo
- Publication number
- EP1284337A1 EP1284337A1 EP02405661A EP02405661A EP1284337A1 EP 1284337 A1 EP1284337 A1 EP 1284337A1 EP 02405661 A EP02405661 A EP 02405661A EP 02405661 A EP02405661 A EP 02405661A EP 1284337 A1 EP1284337 A1 EP 1284337A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roughness
- gas turbine
- protective layer
- turbine blade
- ceramic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
- F01D5/145—Means for influencing boundary layers or secondary circulations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/286—Particular treatment of blades, e.g. to increase durability or resistance against corrosion or erosion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/10—Manufacture by removing material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/90—Coating; Surface treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/60—Structure; Surface texture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/60—Structure; Surface texture
- F05D2250/62—Structure; Surface texture smooth or fine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/60—Structure; Surface texture
- F05D2250/62—Structure; Surface texture smooth or fine
- F05D2250/621—Structure; Surface texture smooth or fine polished
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/221—Improvement of heat transfer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/221—Improvement of heat transfer
- F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/20—Oxide or non-oxide ceramics
- F05D2300/21—Oxide ceramics
- F05D2300/2118—Zirconium oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/611—Coating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12451—Macroscopically anomalous interface between layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31—Surface property or characteristic of web, sheet or block
Definitions
- the invention relates to a method for processing a ceramic Protective layer coated gas turbine part according to the preamble of the claim 1 and a coated gas turbine part according to the preamble of the claim 6th
- Turbine blades that is to say guide vanes or rotor blades, are generally and widely known of gas turbines, to be provided with one or more protective layers, around the turbine blade before thermal and mechanical loads Protect oxidation or other harmful influences during operation and to extend the life of the turbine blade in this way.
- a first protective layer of the turbine blade usually consists of a metallic one Alloy like MCrAIY, where M stands for Ni, Co or Fe. That kind of metallic Coating serves as protection against oxidation.
- a second, rougher coating MCrAlY is applied to it with other coating parameters. This layer is also referred to as "bond coating".
- Such coatings are numerous from the prior art and for example from US-A-3,528,861 or US-A-4,585,481.
- TBC Thermal Barrier Coating
- Ceramic coatings and methods for Coating can be found, for example, in the documents EP-A2-441 095, EP-A1-937,787, US-A-5,972,424, US-A-4,055,705, US-A-4,248,940, US-A-4,321,311, US-A-4,676,994, US-A-5,894,053.
- the applied protective layers have in usually a relatively high surface roughness. This surface roughness but influences the heat transfer in a positive way, so that the base material is increasingly thermally stressed with increasing roughness. To avoid this is a method for smoothing the surface, for example from writing EP-A2-1 088 908 known. On the other hand, it influences a polished one Surface the flow behavior and especially the detachment behavior negative.
- the task is there further in producing a corresponding gas turbine part according to this method.
- this object is achieved in a method according to the preamble of claim 1 solved in that the roughness of the already applied ceramic layer on the base material is reduced at least at a first point and the original roughness of the ceramic layer is maintained.
- the invention also consists in a method according to the invention manufactured gas turbine part, the roughness of the ceramic protective layer compared to the original average roughness on at least one first position on the surface is reduced and at least a second position the original roughness of the ceramic protective layer on the surface is maintained.
- the gas turbine part is a turbine blade which is coated with Y stabilized Zr oxide.
- the roughness can only be found at at least one downstream point of the Turbine blade are maintained while the remaining surface of the turbine blade is smoothed.
- the heat transfer is thus advantageously reduced, so that the heat transfer is deteriorated here, and the base material is improved with the same cooling capacity is cooled.
- the ceramic remains Protective layer rough, so that a certain turbulence is generated there and the flow longer. The efficiency of the entire system is made simple by this Measures advantageously increased.
- FIG. 1 schematically shows a section through a turbine blade 1 Gas turbine.
- the turbine blade 1 has a ceramic surface 2 Protective layer 3 has been coated.
- the ceramic protective layer 3 (English thermal Barrier Coating (TBC), which is Y stabilized Zr oxide, serves as Protection against the hot gas 4 flowing around the turbine blade 1, its streamlines are visible in Figure 1.
- TBC English thermal Barrier Coating
- Such ceramic coatings and coating methods are, for example from the documents EP-A2-441 095, EP-A1-937,787, US-A-5,972,424, US-A-4,055,705, US-A-4,248,940, US-A-321, 311, US-A-4,676,994, US-A-5,894,053 known. It is known that the applied protective layer has a certain Has surface roughness.
- the average roughness (Ra, average roughness) can be reduced at the first location 5 to a maximum of 1/3 of the original average roughness.
- the roughness R T will thus be reduced, for example, from approximately 50 ⁇ m to 20 ⁇ m.
- Such a smoothing of the TBC surface lowers the heat transfer coefficient by 20% to 30%. This therefore brings about a significantly improved protection of the base material 1 used against the hot gases 4 at these points 5.
- a first embodiment Fig. 1
- the release area 7 will are therefore smaller overall compared to a completely smoothed surface, there at the point 6 at risk of detachment, a certain turbulence, that of detachment counteracts, is preserved.
- the remaining ceramic protective layer 3 is ground for the purpose of deteriorated heat transfer, ie reduced to a maximum of 1/3 of the original roughness. In practice, this means that the average roughness R a is less than 5 ⁇ m.
- the heat transfer on the smoothly ground parts of the surface is thus advantageously reduced, so that the heat transfer is further deteriorated here and thus - with the same cooling output - the base material is cooled better.
- the invention is not reduced to the exemplary embodiments described, but rather generally refers to gas turbine parts 1 that have a ceramic protective layer 3 are coated.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
Description
- Fig. 1
- einen Schnitt durch eine Turbinenschaufel zeigt, welche nach dem erfindungsgemässen Verfahren bearbeitet wurde und
- Fig. 2
- einen Schnitt durch eine zweite Ausführungsform einer Turbinenschaufel zeigt, welche nach dem erfindungsgemässen Verfahren bearbeitet wurde.
- 1
- Turbinenschaufel, Gasturbinenteil
- 2
- Oberfläche der Turbinenschaufel 1
- 3
- Keramische Schutzschicht
- 4
- Heissgas
- 5
- Stellen der Schutzschicht 3, bearbeitet
- 6
- Stellen der Schutzschicht 3, unbearbeitet
- 7
- Ablösegebiet
Claims (10)
- Verfahren zum Bearbeiten einer keramischen Schutzschicht (3), welche auf der Oberfläche (2) eines Gasturbinenteils (1) aufgetragen wird, wobei die keramische Schutzschicht (3) nach dem Auftragen auf der Gasturbinenteil (1) eine gewisse Rauhigkeit aufweist,
dadurch gekennzeichnet, dass
die Rauhigkeit der bereits aufgetragenen keramischen Schicht (3) auf dem Grundmaterial (1) an mindestens einer ersten Stelle (5) reduziert wird und an mindestens einer zweiten Stelle (6) die ursprüngliche Rauhigkeit der keramischen Schicht (3) beibehalten wird. - Bearbeitungsverfahren nach Anspruch 1,
dadurch gekennzeichnet, dass
die Rauhigkeit der aufgetragenen keramischen Schicht (3) an der ersten Stelle (5) auf bis maximal 1/3 der ursprünglichen Durchschnittsrauhigkeit reduziert wird. - Bearbeitungsverfahren nach einem der Ansprüche 1 oder 2,
dadurch gekennzeichnet, dass
das Gasturbinenteil (1) eine Turbinenschaufel (1) ist und die Rauhigkeit nur an mindestens einer der Strömung abgewandten und ablösegefährdeten Stelle (6) auf der Turbinenschaufel (1) beibehalten wird und auf der restlichen Oberfläche (2) der Turbinenschaufel (1) die Rauhigkeit reduziert wird. - Bearbeitungsverfahren Anspruch 3,
dadurch gekennzeichnet, dass
das Gasturbinenteil (1) mit Y stabilisiertem Zr-Oxid beschichtet wird. - Bearbeitungsverfahren nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, dass
die Rauhigkeit durch Schleifen, Sandstrahlen, Polieren, Trowalisieren, Bürsten oder auf andere, geeignete Art reduziert wird. - Gasturbinenteil (1) mit einer keramischen Schutzschicht (3), wobei die Schutzschicht (3) nach dem Auftragen auf das Gasturbinenteil (1) eine bestimmte Rauhigkeit aufweist, hergestellt nach einem Verfahren der Ansprüche 1 bis 5,
dadurch gekennzeichnet, dass
die Rauhigkeit der keramischen Schutzschicht (3) im Vergleich mit der ursprünglichen Durchschnittsrauhigkeit an mindestens einer ersten Stelle (5) auf der Oberfläche reduziert ist und an mindestens einer zweiten Stelle (6) auf der Oberfläche die ursprüngliche Rauhigkeit der keramischen Schutzschicht (3) beibehalten ist. - Gasturbinenteil (1) nach Anspruch 6,
dadurch gekennzeichnet, dass
die Rauhigkeit der keramischen Schutzschicht (3) an der ersten Stelle (5) auf bis maximal 1/3 der ursprünglichen Durchschnittsrauhigkeit reduziert ist. - Gasturbinenteil (1) nach einem der Ansprüche 6 oder 7,
dadurch gekennzeichnet, dass
das Gasturbinenteil (1) eine Gasturbinenschaufel (1) ist und die Rauhigkeit der keramischen Schutzschicht (3) lediglich an mindestens einer der Strömung abgewandten und ablösegefährdeten Stelle (6) der Turbinenschaufel (1) beibehalten ist und Rauhigkeit der restlichen Oberfläche der keramischen Schicht (3) reduziert ist. - Gasturbinenteil (1) nach Anspruch 8,
dadurch gekennzeichnet, dass
die Rauhigkeit der keramischen Schutzschicht (3) an verschiedenen, unzusammenhängenden Stellen (6) der Turbinenschaufel (1) beibehalten ist und zwischen diesen Stellen (6) und die Rauhigkeit der restlichen Oberfläche der keramischen Schicht (3) reduziert ist. - Gasturbinenteil (1) nach einem der Ansprüche 6 bis 9,
dadurch gekennzeichnet, dass
das Gasturbinenteil (1) mit Y stabilisiertem Zr-Oxid beschichtet ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH14992001 | 2001-08-14 | ||
| CH14992001 | 2001-08-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1284337A1 true EP1284337A1 (de) | 2003-02-19 |
| EP1284337B1 EP1284337B1 (de) | 2005-04-06 |
Family
ID=4565523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02405661A Expired - Lifetime EP1284337B1 (de) | 2001-08-14 | 2002-07-30 | Verfahren zur Bearbeitung einer beschichteten Gasturbinenschaufel |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6773753B2 (de) |
| EP (1) | EP1284337B1 (de) |
| DE (1) | DE50202696D1 (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10337019A1 (de) * | 2003-08-12 | 2005-03-10 | Alstom Technology Ltd Baden | Verfahren zur Bearbeitung einer beschichteten Gasturbinenschaufel |
| EP3056312A1 (de) * | 2015-02-16 | 2016-08-17 | United Technologies Corporation | Polierverfahren für keramische beschichtung |
| EP3680607A1 (de) * | 2019-01-08 | 2020-07-15 | Rolls-Royce plc | Oberflächenrauheitsmessung |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8137820B2 (en) * | 2006-02-24 | 2012-03-20 | Mt Coatings, Llc | Roughened coatings for gas turbine engine components |
| WO2008049460A1 (de) * | 2006-10-24 | 2008-05-02 | Siemens Aktiengesellschaft | Verfahren zur einstellung der oberflächenrauhigkeit bei niedertemperaturbeschichtungsverfahren und bauteil |
| JP4793250B2 (ja) * | 2006-12-21 | 2011-10-12 | 株式会社Ihi | タービン翼 |
| EP2725235A1 (de) * | 2012-10-24 | 2014-04-30 | Siemens Aktiengesellschaft | Unterschiedlich raue Schaufel und zugehörige Herstellungsverfahren |
| US20150114006A1 (en) * | 2013-10-29 | 2015-04-30 | General Electric Company | Aircraft engine strut assembly and methods of assembling the same |
| CN104314618B (zh) * | 2014-10-09 | 2015-08-19 | 中国科学院工程热物理研究所 | 一种低压涡轮叶片结构及降低叶片损失的方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB580806A (en) * | 1941-05-21 | 1946-09-20 | Alan Arnold Griffith | Improvements in compressor, turbine and like blades |
| GB1579349A (en) * | 1976-02-25 | 1980-11-19 | Sulzer Ag | Components resistant to corrosion at high temperatures |
| US4576874A (en) * | 1984-10-03 | 1986-03-18 | Westinghouse Electric Corp. | Spalling and corrosion resistant ceramic coating for land and marine combustion turbines |
| WO1997021907A1 (de) * | 1995-12-09 | 1997-06-19 | Abb Patent Gmbh | Turbinenschaufel, die für einen einsatz im nassdampfbereich von vorend- und endstufen von turbinen vorgesehen ist |
| EP1081332A1 (de) * | 1999-08-31 | 2001-03-07 | ROLLS-ROYCE plc | Axialturbinen |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3528861A (en) | 1968-05-23 | 1970-09-15 | United Aircraft Corp | Method for coating the superalloys |
| US4248940A (en) | 1977-06-30 | 1981-02-03 | United Technologies Corporation | Thermal barrier coating for nickel and cobalt base super alloys |
| US4055705A (en) | 1976-05-14 | 1977-10-25 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Thermal barrier coating system |
| US4321311A (en) | 1980-01-07 | 1982-03-23 | United Technologies Corporation | Columnar grain ceramic thermal barrier coatings |
| US4585481A (en) | 1981-08-05 | 1986-04-29 | United Technologies Corporation | Overlays coating for superalloys |
| US4676994A (en) | 1983-06-15 | 1987-06-30 | The Boc Group, Inc. | Adherent ceramic coatings |
| US5087477A (en) | 1990-02-05 | 1992-02-11 | United Technologies Corporation | Eb-pvd method for applying ceramic coatings |
| US5209644A (en) * | 1991-01-11 | 1993-05-11 | United Technologies Corporation | Flow directing element for the turbine of a rotary machine and method of operation therefor |
| US5484980A (en) * | 1993-02-26 | 1996-01-16 | General Electric Company | Apparatus and method for smoothing and densifying a coating on a workpiece |
| DE19545025A1 (de) | 1995-12-02 | 1997-06-05 | Abb Research Ltd | Verfahren zur Aufbringung einer metallischen Haftschicht für keramische Wärmedämmschichten auf metallische Bauteile |
| US6060177A (en) | 1998-02-19 | 2000-05-09 | United Technologies Corporation | Method of applying an overcoat to a thermal barrier coating and coated article |
| US6103315A (en) * | 1998-04-13 | 2000-08-15 | General Electric Co. | Method for modifying the surface of a thermal barrier coating by plasma-heating |
| US5972424A (en) | 1998-05-21 | 1999-10-26 | United Technologies Corporation | Repair of gas turbine engine component coated with a thermal barrier coating |
| US6294261B1 (en) | 1999-10-01 | 2001-09-25 | General Electric Company | Method for smoothing the surface of a protective coating |
-
2002
- 2002-07-30 EP EP02405661A patent/EP1284337B1/de not_active Expired - Lifetime
- 2002-07-30 DE DE50202696T patent/DE50202696D1/de not_active Expired - Lifetime
- 2002-08-05 US US10/211,352 patent/US6773753B2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB580806A (en) * | 1941-05-21 | 1946-09-20 | Alan Arnold Griffith | Improvements in compressor, turbine and like blades |
| GB1579349A (en) * | 1976-02-25 | 1980-11-19 | Sulzer Ag | Components resistant to corrosion at high temperatures |
| US4576874A (en) * | 1984-10-03 | 1986-03-18 | Westinghouse Electric Corp. | Spalling and corrosion resistant ceramic coating for land and marine combustion turbines |
| WO1997021907A1 (de) * | 1995-12-09 | 1997-06-19 | Abb Patent Gmbh | Turbinenschaufel, die für einen einsatz im nassdampfbereich von vorend- und endstufen von turbinen vorgesehen ist |
| EP1081332A1 (de) * | 1999-08-31 | 2001-03-07 | ROLLS-ROYCE plc | Axialturbinen |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10337019A1 (de) * | 2003-08-12 | 2005-03-10 | Alstom Technology Ltd Baden | Verfahren zur Bearbeitung einer beschichteten Gasturbinenschaufel |
| EP3056312A1 (de) * | 2015-02-16 | 2016-08-17 | United Technologies Corporation | Polierverfahren für keramische beschichtung |
| US10252395B2 (en) | 2015-02-16 | 2019-04-09 | United Technologies Corporation | Ceramic coating polishing method |
| EP3680607A1 (de) * | 2019-01-08 | 2020-07-15 | Rolls-Royce plc | Oberflächenrauheitsmessung |
Also Published As
| Publication number | Publication date |
|---|---|
| DE50202696D1 (de) | 2005-05-12 |
| US20030035968A1 (en) | 2003-02-20 |
| EP1284337B1 (de) | 2005-04-06 |
| US6773753B2 (en) | 2004-08-10 |
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