WO2005056877A1 - Ceramic material and method for repairing thermal insulation layers with local damage - Google Patents
Ceramic material and method for repairing thermal insulation layers with local damage Download PDFInfo
- Publication number
- WO2005056877A1 WO2005056877A1 PCT/DE2004/002625 DE2004002625W WO2005056877A1 WO 2005056877 A1 WO2005056877 A1 WO 2005056877A1 DE 2004002625 W DE2004002625 W DE 2004002625W WO 2005056877 A1 WO2005056877 A1 WO 2005056877A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ceramic
- ceramic material
- thermal insulation
- local damage
- insulation layers
- 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
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
-
- 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
-
- 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
Definitions
- the invention relates to a ceramic material and a method for repairing thermal insulation layers with local damage according to the preamble of patent claims 1 and 4.
- a ceramic material for repairing thermal insulation layers with local damage is known from EP 1 197 585 A2.
- the ceramic material in the form of a ceramic paste is a mixture of ceramic powder, a ceramic binder and a solvent.
- the ceramic powder is in particular a mixture of heat-resistant oxides, in particular oxides of aluminum, zirconium, hempium, magnesium and silicon.
- the ceramic binder is a compound based on silicone or phosphate. Alcohols in particular are used as solvents.
- the ceramic paste is in the previously cleaned local damage to the surface of the thermal barrier coating, e.g. introduced a hot gas turbine.
- a so-called ceramic repair layer is formed, which has a matrix in which the particles of the ceramic powder are embedded.
- a disadvantage of the ceramic paste from EP 1 197 585 A2 is that at the junctures of the ceramic repair layer with the surrounding original thermal insulation layer there is no sufficient temperature stability for the application. Another disadvantage is the time-consuming temperature treatment, which is necessary to form the ceramic repair layer.
- Advantageous embodiments of the invention are the subject of dependent claims.
- the ceramic slip is subjected to a thermal treatment, e.g. Sintering pore-forming material, e.g. Plastic, admitted.
- a thermal treatment e.g. Sintering pore-forming material, e.g. Plastic
- An advantage here is that the pore formers can be removed without residue due to the thermal treatment.
- the thermal treatment by means of which a ceramic repair layer is formed from the ceramic material according to the invention is carried out according to the invention by means of pulsed energy coupling into the ceramic material.
- Pulsed laser, electron beam or microwave methods can advantageously be used.
- An advantage here is that locally high energies can be injected into the ceramic material, as a result of which locally high temperatures can be generated. This ensures good sintering locally. With this method, however, the temperature of the entire thermal insulation layer remains far below the melting temperature of the base material, eg Ni-based substrate to which the thermal barrier coating is applied. With the method according to the invention, a time-saving thermal treatment of the ceramic material introduced into the local damage is thus possible to form a repair layer.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10357535.9 | 2003-12-10 | ||
DE2003157535 DE10357535A1 (en) | 2003-12-10 | 2003-12-10 | Ceramic material and method for repairing thermal barrier coatings with local damage |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005056877A1 true WO2005056877A1 (en) | 2005-06-23 |
Family
ID=34638545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2004/002625 WO2005056877A1 (en) | 2003-12-10 | 2004-11-26 | Ceramic material and method for repairing thermal insulation layers with local damage |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE10357535A1 (en) |
WO (1) | WO2005056877A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2062999A2 (en) * | 2007-10-29 | 2009-05-27 | General Electric Company | A method of treating a thermal barrier coating and related articles |
EP2113586A3 (en) * | 2008-05-01 | 2010-05-12 | United Technologies Corporation | Low cost non-line-of-sight portective coatings |
US8496990B2 (en) | 2008-09-08 | 2013-07-30 | Rolls-Royce Plc | Method of repairing a coating on an article |
US10494926B2 (en) | 2017-08-28 | 2019-12-03 | General Electric Company | System and method for maintaining machines |
US10717166B2 (en) | 2016-12-02 | 2020-07-21 | General Electric Company | Motorized apparatus for use with rotary machines |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4878953A (en) * | 1988-01-13 | 1989-11-07 | Metallurgical Industries, Inc. | Method of refurbishing cast gas turbine engine components and refurbished component |
JPH01294531A (en) * | 1988-05-23 | 1989-11-28 | Mitsubishi Heavy Ind Ltd | Production of thin film of stabilized zirconia |
JPH08236137A (en) * | 1995-02-23 | 1996-09-13 | Sanyo Electric Co Ltd | Manufacture of solid electrolyte fuel cell |
EP0897019A1 (en) * | 1997-07-18 | 1999-02-17 | FINMECCANICA S.p.A. AZIENDA ANSALDO | Method and device for forming porous ceramic coatings, in particular thermal barrier coatings, on metal substrates |
US6007926A (en) * | 1997-01-30 | 1999-12-28 | The United States Of America As Represented By The Secretary Of The Navy | Phase stablization of zirconia |
US6235252B1 (en) * | 1995-12-12 | 2001-05-22 | Comurhex S.A. | Method for recovering nitrate ions as nitric acid from nuclear industry effluents |
CN1081093C (en) * | 1998-02-24 | 2002-03-20 | 北京航空航天大学 | Method for high energy pulse electric depositing of ceramic coating |
EP1197585A2 (en) * | 2000-10-12 | 2002-04-17 | General Electric Company | Method for repairing a thermal barrier coating and repaired coating formed thereby |
US20020045010A1 (en) * | 2000-06-14 | 2002-04-18 | The Procter & Gamble Company | Coating compositions for modifying hard surfaces |
EP1223615A1 (en) * | 2001-01-10 | 2002-07-17 | Eidgenössische Technische Hochschule Zürich | A method for producing a structure using nanoparticles |
EP1251191A1 (en) * | 2001-04-21 | 2002-10-23 | ALSTOM (Switzerland) Ltd | A method of repairing a ceramic coating |
WO2002086194A2 (en) * | 2001-04-21 | 2002-10-31 | Itn-Nanovation Gmbh | Functional ceramic layers based on a support layer produced with crystalline nanoparticles |
US20030077398A1 (en) * | 1995-11-13 | 2003-04-24 | Peter R. Strutt | Nanostructured feeds for thermal spray systems, method of manufacture, and coatings formed therefrom |
CN1450124A (en) * | 2002-04-10 | 2003-10-22 | 中国科学院金属研究所 | Nano zircon oxide slurry composition and preparation process thereof |
-
2003
- 2003-12-10 DE DE2003157535 patent/DE10357535A1/en not_active Withdrawn
-
2004
- 2004-11-26 WO PCT/DE2004/002625 patent/WO2005056877A1/en active Application Filing
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4878953A (en) * | 1988-01-13 | 1989-11-07 | Metallurgical Industries, Inc. | Method of refurbishing cast gas turbine engine components and refurbished component |
JPH01294531A (en) * | 1988-05-23 | 1989-11-28 | Mitsubishi Heavy Ind Ltd | Production of thin film of stabilized zirconia |
JPH08236137A (en) * | 1995-02-23 | 1996-09-13 | Sanyo Electric Co Ltd | Manufacture of solid electrolyte fuel cell |
US20030077398A1 (en) * | 1995-11-13 | 2003-04-24 | Peter R. Strutt | Nanostructured feeds for thermal spray systems, method of manufacture, and coatings formed therefrom |
US6235252B1 (en) * | 1995-12-12 | 2001-05-22 | Comurhex S.A. | Method for recovering nitrate ions as nitric acid from nuclear industry effluents |
US6007926A (en) * | 1997-01-30 | 1999-12-28 | The United States Of America As Represented By The Secretary Of The Navy | Phase stablization of zirconia |
EP0897019A1 (en) * | 1997-07-18 | 1999-02-17 | FINMECCANICA S.p.A. AZIENDA ANSALDO | Method and device for forming porous ceramic coatings, in particular thermal barrier coatings, on metal substrates |
CN1081093C (en) * | 1998-02-24 | 2002-03-20 | 北京航空航天大学 | Method for high energy pulse electric depositing of ceramic coating |
US20020045010A1 (en) * | 2000-06-14 | 2002-04-18 | The Procter & Gamble Company | Coating compositions for modifying hard surfaces |
EP1197585A2 (en) * | 2000-10-12 | 2002-04-17 | General Electric Company | Method for repairing a thermal barrier coating and repaired coating formed thereby |
EP1223615A1 (en) * | 2001-01-10 | 2002-07-17 | Eidgenössische Technische Hochschule Zürich | A method for producing a structure using nanoparticles |
EP1251191A1 (en) * | 2001-04-21 | 2002-10-23 | ALSTOM (Switzerland) Ltd | A method of repairing a ceramic coating |
WO2002086194A2 (en) * | 2001-04-21 | 2002-10-31 | Itn-Nanovation Gmbh | Functional ceramic layers based on a support layer produced with crystalline nanoparticles |
CN1450124A (en) * | 2002-04-10 | 2003-10-22 | 中国科学院金属研究所 | Nano zircon oxide slurry composition and preparation process thereof |
Non-Patent Citations (5)
Title |
---|
DATABASE WPI Section Ch Week 199002, Derwent World Patents Index; Class L02, AN 1990-012887, XP002323931 * |
DATABASE WPI Section Ch Week 200454, Derwent World Patents Index; Class A97, AN 2004-554381, XP002323930 * |
DATABASE WPI Section Ch Week 200516, Derwent World Patents Index; Class L02, AN 2000-366289, XP002323932 * |
MATERIALS SCIENCE FORUM, vol. 423-425, 2003, TRANS TECH PUBLICAT CH, pages 283 - 286, XP008045152 * |
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 01 31 January 1997 (1997-01-31) * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2062999A2 (en) * | 2007-10-29 | 2009-05-27 | General Electric Company | A method of treating a thermal barrier coating and related articles |
EP2062999A3 (en) * | 2007-10-29 | 2012-01-25 | General Electric Company | A method of treating a thermal barrier coating and related articles |
EP2113586A3 (en) * | 2008-05-01 | 2010-05-12 | United Technologies Corporation | Low cost non-line-of-sight portective coatings |
US8496990B2 (en) | 2008-09-08 | 2013-07-30 | Rolls-Royce Plc | Method of repairing a coating on an article |
US10717166B2 (en) | 2016-12-02 | 2020-07-21 | General Electric Company | Motorized apparatus for use with rotary machines |
US10494926B2 (en) | 2017-08-28 | 2019-12-03 | General Electric Company | System and method for maintaining machines |
Also Published As
Publication number | Publication date |
---|---|
DE10357535A1 (en) | 2005-07-07 |
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