WO2003060195A1 - Schichtsystem mit einer porösen schicht - Google Patents
Schichtsystem mit einer porösen schicht Download PDFInfo
- Publication number
- WO2003060195A1 WO2003060195A1 PCT/EP2002/013752 EP0213752W WO03060195A1 WO 2003060195 A1 WO2003060195 A1 WO 2003060195A1 EP 0213752 W EP0213752 W EP 0213752W WO 03060195 A1 WO03060195 A1 WO 03060195A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- ceramic
- porous layer
- porous
- substrate
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
- C23C28/324—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer with at least one metal matrix material layer comprising a mixture of at least two metals or metal phases or a metal-matrix material with hard embedded particles, e.g. WC-Me
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
- C23C28/325—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer with layers graded in composition or in physical properties
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
-
- 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
- Y10T428/12479—Porous [e.g., foamed, spongy, cracked, 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
-
- 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.]
- Y10T428/24149—Honeycomb-like
-
- 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.]
- Y10T428/24149—Honeycomb-like
- Y10T428/24157—Filled honeycomb cells [e.g., solid substance in cavities, 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249955—Void-containing component partially impregnated with adjacent component
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249955—Void-containing component partially impregnated with adjacent component
- Y10T428/249956—Void-containing component is inorganic
- Y10T428/249957—Inorganic impregnant
Definitions
- the invention relates to a layer system with a ceramic portion in the layer.
- Layer systems consist of a substrate and at least one layer lying on the substrate.
- substrates in gas turbine construction have to be protected against excessive temperatures and / or corrosive attacks. This can be done, for example, by applying a sheet with a honeycomb structure to the substrate, the honeycombs being filled with a ceramic.
- the ceramic essentially takes on the protective function.
- the sheet of the honeycomb structure serves to mechanically stabilize the ceramic.
- the mechanical connection between the ceramic and the inner surfaces of the honeycomb structure is not good, so that the ceramic comes off again and again.
- US Pat. No. 5,720,597 shows a blade for a gas turbine which at least partially has a foam-like area on the inside.
- US Pat. No. 6,299,935 discloses a method for producing a layer, in which the surface of a substrate a suspension of foam and a metallic powder is applied.
- the object of the invention is therefore to show a layer system which improves the mechanical strength between metal and ceramic.
- a layer system which consists of a substrate on which a porous layer with a pore fraction of at least 30 percent by volume follows, a ceramic in the form of a coating or as ceramic particles being at least partially introduced into the porous layer ,
- the ceramic which is applied to the porous layer and at least partially introduced into it, can also form a mixture of different ceramic materials in order to set desired properties in a targeted manner.
- the porous layer can be filled with ceramic, at least in some areas, in such a way that it is almost tight in these areas, so that an almost tight ceramic layer in the porous layer is achieved in order to take advantage of the advantages of ceramic in terms of heat resistance.
- a further ceramic protective layer as is known, for example, from the thermal insulation layers of gas turbine blades, can be applied to the ceramic in the porous layer or above the porous layer in order to protect the ceramic in the porous layer from oxidation by means of a further coating.
- FIG. 1 a, b show a substrate with a porous layer and a ceramic in the porous layer
- FIG. 2a shows a substrate with a porous layer, the porous layer being coated on its inner surfaces with a ceramic layer (FIG. 2b),
- FIG. 3 shows a substrate with a porous layer which has become almost dense due to the ceramic,
- FIG. 4 shows a further exemplary embodiment of the invention
- FIG. 5 shows an application example of such a layer system
- FIG. 10a, b further exemplary embodiments of the invention.
- FIG. 1 a shows a substrate 1, for example made of metal, in particular made of a superalloy for a gas turbine blade, on which a porous layer 4 is applied.
- the porous layer 4 can be made of metal or ceramic.
- the porous structure is schematically represented by the lines that are intended to represent the individual walls that surround the pores in the porous layer 4.
- the pore fraction is at least thirty (30) percent by volume.
- an open pore structure is advantageous, ie there are connecting paths from the outer surface of the porous layer 4 to its underside, which faces the substrate 1, as z. B. is known when using filter systems.
- a ceramic can be introduced particularly well into the porous layer.
- FIG. 1b shows a layer system according to the invention, in which a ceramic 7 is present in the porous layer 4.
- the ceramic 7 can consist of a single ceramic material or of a mixture of different ceramic materials, for example in the form of ceramic particles. Metallic admixtures or coatings are also possible.
- FIG. 2a shows a further exemplary embodiment of a layer system 20 according to the invention, in which no individual ceramic particles 7 can be seen (FIG. 2a) because the pore walls 13 of the porous layer 4 are coated with a ceramic layer 16 (FIG. 2b).
- the inner surfaces of the pores of the porous layer 4 are, for example, completely covered with a ceramic 16.
- FIG. 3 shows a further exemplary embodiment of a layer system 20 designed according to the invention.
- a porous layer 4 is applied to the substrate 1, the pores of which are filled with the ceramic 7, so that a dense layer is achieved.
- FIG. 4 shows that at least one further intermediate layer 10 can be present between the substrate 1 and the porous layer 4.
- FIG. 5 shows a further application example for a layer system 20 according to the invention.
- the layer system 20 forms part of a gas turbine housing 23 which, for example, surrounds turbine blades 26 which are connected downstream of a burner in a gas turbine.
- the axis of rotation of the turbine fei 26 is indicated with 29.
- the layer system 20 according to the invention forms a seal between the gas turbine housing 23 and the turbine blade 26 and replaces the honeycomb structure described above. Further application examples can be found for gas turbine blades and heat shield elements.
- FIGS. 6a, b show the manufacturing steps for producing a layer system 20 according to the invention.
- the substrate 1 is connected to one another with an already prefabricated porous component 4 by a connection technique (FIG. 6b). This can be done for example by welding, diffusion welding or diffusion soldering. Other connection techniques are possible.
- FIG. 7 shows a further method for producing a layer system 20 according to the invention.
- a suspension 32 is applied to the substrate 1 and, for example, is converted into a porous layer 4 by treatment at a temperature T.
- T a temperature
- the suspension 32 contains a metal powder and an activator which gasifies during the heat treatment and foams the suspension with the metal, the metal particles then sintering together at elevated temperature, for example, and thus forming the porous layer 4, at the same time there is a good connection to the substrate 1.
- Further production methods for the production of porous, in particular foam-like structures can be used here, e.g. the investment casting process.
- FIG. 8 shows a further exemplary embodiment for producing a layer system 20 according to the invention. This can be done, for example, by first casting the material for the substrate 1 in a casting process and then continuously and continuously casting a metal or an alloy that is porous Have structure or a mixture of metal and ceramic, so that a porous metallic layer 4 is formed on the substrate 1, which may is densely filled with ceramics.
- a substrate 1 and a porous layer 4 can also be formed from a blank 38 by an intermediate treatment.
- the ceramic 7 into the porous layer 4.
- This can be done by means of a coating device 35 (FIG. 9a), for example by plasma spraying, so that a ceramic coating 16 is produced in the porous layer 4.
- the coating process can be continued so that not only the walls 13 of the porous layer are coated, but also the pore structure is at least partially closed in order to achieve a dense layer.
- a ceramic suspension with ceramic particles can also be introduced, in particular injected, into the porous layer 4 through a spray nozzle 35 (FIG. 9a).
- the carrier medium of the suspension is evaporated, so that the ceramic particles 7 remain and, after a heat treatment, bond to the metallic walls 13 of the porous layer 4.
- the porous layer 4 can also be completely filled with the ceramic 7 only in an upper region 11 (FIG. 9b).
- the porous layer 4 is advantageously filled with a ceramic 7, which has good mechanical properties at high temperatures and serves as a thermal barrier.
- a ceramic 7 which has good mechanical properties at high temperatures and serves as a thermal barrier.
- the porous layer 4 (FIG. 10 a) or over the. ceramic particles 7 or the ceramic layer 16 within the porous layer 7 (FIG. 10b) a further ceramic protective layer 41 can be applied.
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02787907A EP1466036B1 (de) | 2002-01-15 | 2002-12-04 | Schichtsystem mit einer porösen schicht |
JP2003560272A JP2005514526A (ja) | 2002-01-15 | 2002-12-04 | 多孔性層から成る層構造体 |
DE50210249T DE50210249D1 (de) | 2002-01-15 | 2002-12-04 | Schichtsystem mit einer porösen schicht |
US10/641,996 US7070853B2 (en) | 2002-01-15 | 2003-08-15 | Layer system comprising a substrate, and an outer porous layer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02000874A EP1327703A1 (de) | 2002-01-15 | 2002-01-15 | Schichtsystem mit einer porösen Schicht |
EP02000874.4 | 2002-01-15 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/641,996 Continuation US7070853B2 (en) | 2002-01-15 | 2003-08-15 | Layer system comprising a substrate, and an outer porous layer |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003060195A1 true WO2003060195A1 (de) | 2003-07-24 |
Family
ID=8185262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2002/013752 WO2003060195A1 (de) | 2002-01-15 | 2002-12-04 | Schichtsystem mit einer porösen schicht |
Country Status (5)
Country | Link |
---|---|
US (1) | US7070853B2 (de) |
EP (2) | EP1327703A1 (de) |
JP (1) | JP2005514526A (de) |
DE (1) | DE50210249D1 (de) |
WO (1) | WO2003060195A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1496140A1 (de) * | 2003-07-09 | 2005-01-12 | Siemens Aktiengesellschaft | Schichtstruktur und Verfahren zur Herstellung einer Schichtstruktur |
US7579087B2 (en) * | 2006-01-10 | 2009-08-25 | United Technologies Corporation | Thermal barrier coating compositions, processes for applying same and articles coated with same |
US7968144B2 (en) * | 2007-04-10 | 2011-06-28 | Siemens Energy, Inc. | System for applying a continuous surface layer on porous substructures of turbine airfoils |
US20080290138A1 (en) * | 2007-05-22 | 2008-11-27 | David Myron Lineman | Method for bonding refractory ceramic and metal |
US10036258B2 (en) | 2012-12-28 | 2018-07-31 | United Technologies Corporation | Gas turbine engine component having vascular engineered lattice structure |
US10018052B2 (en) | 2012-12-28 | 2018-07-10 | United Technologies Corporation | Gas turbine engine component having engineered vascular structure |
US10094287B2 (en) | 2015-02-10 | 2018-10-09 | United Technologies Corporation | Gas turbine engine component with vascular cooling scheme |
US20160312633A1 (en) * | 2015-04-24 | 2016-10-27 | General Electric Company | Composite seals for turbomachinery |
US10221694B2 (en) | 2016-02-17 | 2019-03-05 | United Technologies Corporation | Gas turbine engine component having vascular engineered lattice structure |
US10774653B2 (en) | 2018-12-11 | 2020-09-15 | Raytheon Technologies Corporation | Composite gas turbine engine component with lattice structure |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5024884A (en) * | 1984-12-24 | 1991-06-18 | United Technologies Corporation | Abradable seal having particulate erosion resistance |
EP0609795A1 (de) * | 1993-02-04 | 1994-08-10 | Mtu Motoren- Und Turbinen-Union MàNchen Gmbh | Wärmedämmschicht aus Keramik auf Metallbauteilen und Verfahren zu ihrer Herstellung |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4639388A (en) * | 1985-02-12 | 1987-01-27 | Chromalloy American Corporation | Ceramic-metal composites |
DE4338457C2 (de) | 1993-11-11 | 1998-09-03 | Mtu Muenchen Gmbh | Bauteil aus Metall oder Keramik mit dichter Außenschale und porösem Kern und Herstellungsverfahren |
US5720597A (en) | 1996-01-29 | 1998-02-24 | General Electric Company | Multi-component blade for a gas turbine |
US6235370B1 (en) * | 1999-03-03 | 2001-05-22 | Siemens Westinghouse Power Corporation | High temperature erosion resistant, abradable thermal barrier composite coating |
US6165628A (en) * | 1999-08-30 | 2000-12-26 | General Electric Company | Protective coatings for metal-based substrates and related processes |
US6294260B1 (en) * | 1999-09-10 | 2001-09-25 | Siemens Westinghouse Power Corporation | In-situ formation of multiphase air plasma sprayed barrier coatings for turbine components |
US6299935B1 (en) | 1999-10-04 | 2001-10-09 | General Electric Company | Method for forming a coating by use of an activated foam technique |
CA2410075A1 (en) * | 2000-05-19 | 2001-11-22 | The University Of British Columbia | Process for making chemically bonded composite hydroxide ceramics |
US6670046B1 (en) * | 2000-08-31 | 2003-12-30 | Siemens Westinghouse Power Corporation | Thermal barrier coating system for turbine components |
-
2002
- 2002-01-15 EP EP02000874A patent/EP1327703A1/de not_active Withdrawn
- 2002-12-04 WO PCT/EP2002/013752 patent/WO2003060195A1/de active IP Right Grant
- 2002-12-04 DE DE50210249T patent/DE50210249D1/de not_active Expired - Fee Related
- 2002-12-04 JP JP2003560272A patent/JP2005514526A/ja not_active Withdrawn
- 2002-12-04 EP EP02787907A patent/EP1466036B1/de not_active Expired - Fee Related
-
2003
- 2003-08-15 US US10/641,996 patent/US7070853B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5024884A (en) * | 1984-12-24 | 1991-06-18 | United Technologies Corporation | Abradable seal having particulate erosion resistance |
EP0609795A1 (de) * | 1993-02-04 | 1994-08-10 | Mtu Motoren- Und Turbinen-Union MàNchen Gmbh | Wärmedämmschicht aus Keramik auf Metallbauteilen und Verfahren zu ihrer Herstellung |
Non-Patent Citations (1)
Title |
---|
GUO-ZHONG CAO ET AL: "Pore narrowing and formation of ultrathin yttria-stabilized zirconia layers in ceramic membranes by chemical vapor deposition/electrochemical vapor deposition", JOURNAL OF THE AMERICAN CERAMIC SOCIETY, SEPT. 1993, USA, vol. 76, no. 9, pages 2201 - 2208, XP001073836, ISSN: 0002-7820 * |
Also Published As
Publication number | Publication date |
---|---|
US7070853B2 (en) | 2006-07-04 |
EP1327703A1 (de) | 2003-07-16 |
US20040058185A1 (en) | 2004-03-25 |
JP2005514526A (ja) | 2005-05-19 |
DE50210249D1 (de) | 2007-07-12 |
EP1466036A1 (de) | 2004-10-13 |
EP1466036B1 (de) | 2007-05-30 |
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