WO2005116295A1 - Wärmedämmschichtsystem - Google Patents
Wärmedämmschichtsystem Download PDFInfo
- Publication number
- WO2005116295A1 WO2005116295A1 PCT/DE2005/000944 DE2005000944W WO2005116295A1 WO 2005116295 A1 WO2005116295 A1 WO 2005116295A1 DE 2005000944 W DE2005000944 W DE 2005000944W WO 2005116295 A1 WO2005116295 A1 WO 2005116295A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- thermal insulation
- component
- gas turbine
- insulation layer
- 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
- C23C28/34—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
- C23C28/345—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 with at least one oxide layer
- C23C28/3455—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 with at least one oxide layer with a refractory ceramic layer, e.g. refractory metal oxide, ZrO2, rare earth oxides or a thermal barrier system comprising at least one refractory oxide layer
-
- 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
- C23C28/321—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 alloy layer
-
- 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
- C23C28/321—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 alloy layer
- C23C28/3215—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 alloy layer at least one MCrAlX layer
-
- 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
- C23C28/345—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 with at least one oxide layer
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
- C23C4/11—Oxides
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
-
- 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
- Y10T428/12611—Oxide-containing component
Definitions
- the invention relates to a thermal barrier coating system for metallic components, in particular for components of a gas turbine, such as an aircraft engine, which are exposed to high temperature or hot gas, according to the preamble of claim 1. Furthermore, the invention relates to a component having such a thermal barrier coating system.
- DE 100 08 861 AI discloses a thermal insulation layer system for a metallic component, the thermal insulation layer system consisting of a contact layer and a cover layer.
- the contact layer is located between an adhesion-promoting layer and the cover layer, the adhesion-promoting layer being applied to the component.
- the contact layer of the thermal barrier coating system consists entirely or predominantly of zirconium oxide partially stabilized with Y 2 0 3 or of a glass-metal composite material
- the cover layer consists of fully stabilized, cubic zirconium oxide.
- the present invention is based on the problem of creating a novel thermal insulation layer system for metallic components, in particular for components of a gas turbine such as an aircraft engine.
- the inner contact layer is formed from a zirconium oxide partially stabilized with yttrium, yttrium oxide, calcium or magnesium
- the outer cover layer is formed from a material which consists of at least one component with at least one phase which is stoichiometric 1 to 80 mol% Mx 2 0 3 , 0.5 to 80 mol% MyO and the remainder Al 2 0 3 with random impurities, where Mx is selected from the elements lanthanum neodymium chr and barium or mixtures thereof, and where My from the alkaline earth metals, the transition metals and the rare earths or mixtures thereof, preferably selected from magnesium, zinc, cobalt, manganese, iron, nickel, chromium, europium, samarium or mixtures thereof.
- the outer cover layer is preferably formed from lanthanum hexaaluminate.
- Fig. 1 is a highly schematic view of a thermal barrier coating system for gas turbine components according to the invention.
- FIG. 1 shows a highly schematic representation of a metallic component 10 of a gas turbine, an adhesion-promoting layer 12 being applied to a surface 11 of the component 10.
- a thermal insulation layer system 13 is applied to the adhesion-promoting layer 12, the thermal insulation layer system 13 comprising an inner contact layer 14 and an outer cover layer 15.
- the adhesive layer 12 applied to the surface 11 of the metallic component 10 is metallic and is preferably designed as an aluminum diffusion layer or as a platinum-aluminum diffusion layer or as an MCrAlY application layer.
- the adhesive layer 12 increases the adhesion of the thermal insulation layer system 13 to the metallic component 10.
- the inner contact layer 14 of the thermal insulation layer system 13 is formed from a zirconium oxide partially stabilized with yttrium, yttrium oxide, calcium or magnesium.
- the outer cover layer 15 of the thermal insulation layer system 13 is formed from lanthanum hexaaluminate.
- the lanthanum hexaaluminate is preferably stabilized with magnesium or manganese.
- a thermal insulation layer system which comprises two layers, namely an inner contact layer made of zirconium oxide partially stabilized with yttrium or yttrium oxide and an outer cover layer which is formed from lanthanum hexaaluminate.
- thermal barrier coating system with the combination according to the invention of the contact layer made of partially stabilized zirconium oxide and the top layer made of lanthanum hexaaluminate provides a particularly preferred thermal barrier coating system which, on the one hand, has an optimized adhesion to the component and, on the other hand, an optimized thermal fatigue resistance. Furthermore, with the thermal insulation layer system according to the invention, components coated with high temperatures or hot gases are exposed to higher operating temperatures.
- the overall four-layer structure made of metallic component 10, metallic adhesive layer 12, contact layer 14 made of partially stabilized zirconium oxide and cover layer 15 made of lanthanum hexaaluminate means that the thermal expansion coefficients between the individual layers are matched to one another. Stresses within the thermal insulation layer system are therefore minimized.
- the thermal barrier coating system 13 according to the invention or the contact layer 14 and the top layer 15 thereof are preferably made by thermal spraying or by a PVD (Physical Vapor Deposition) or EB-PVD (Electron Beam Physical Vapor Deposition) process or a CVD (Chemical Vapor Deposition) process applied to the component 10.
- PVD Physical Vapor Deposition
- EB-PVD Electro Beam Physical Vapor Deposition
- CVD Chemical Vapor Deposition
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Ceramic Engineering (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05753178A EP1784525A1 (de) | 2004-05-26 | 2005-05-24 | Wärmedämmschichtsystem |
US11/597,800 US7445851B2 (en) | 2004-05-26 | 2005-05-24 | Heat-insulating layer system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004025798A DE102004025798A1 (de) | 2004-05-26 | 2004-05-26 | Wärmedämmschichtsystem |
DE102004025798.1 | 2004-05-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005116295A1 true WO2005116295A1 (de) | 2005-12-08 |
Family
ID=34970436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2005/000944 WO2005116295A1 (de) | 2004-05-26 | 2005-05-24 | Wärmedämmschichtsystem |
Country Status (4)
Country | Link |
---|---|
US (1) | US7445851B2 (de) |
EP (1) | EP1784525A1 (de) |
DE (1) | DE102004025798A1 (de) |
WO (1) | WO2005116295A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007041983A1 (de) * | 2005-10-08 | 2007-04-19 | Mtu Aero Engines Gmbh | Wärmedämmschicht |
WO2007143973A2 (de) * | 2006-06-16 | 2007-12-21 | Mtu Aero Engines Gmbh | Wärmedämmschicht |
DE102014220359A1 (de) * | 2014-10-08 | 2016-04-14 | Siemens Aktiengesellschaft | Doppellagige Zirkonoxidschicht mit hochreinem Anteil |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2085498A1 (de) * | 2008-02-04 | 2009-08-05 | Siemens Aktiengesellschaft | Keramische Wärmedämmschichten mit erhöhter Korrosionsbeständigkeit gegen verunreinigte Brennstoffe |
US9278874B2 (en) | 2011-09-30 | 2016-03-08 | Kemira Oyj | Prevention of starch degradation in pulp, paper or board making processes using zinc ions and an oxidizing biocide |
DE102012101032A1 (de) * | 2012-02-08 | 2013-08-08 | Eads Deutschland Gmbh | Kreiskolbenmotor und Verfahren zum Herstellen eines Kreiskolbenmotors |
JP2016510687A (ja) * | 2013-03-07 | 2016-04-11 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 二酸化炭素の存在下において炭化水素を改質するためのニッケルヘキサアルミネート含有触媒 |
DE102013217627A1 (de) | 2013-09-04 | 2015-03-05 | MTU Aero Engines AG | Wärmedämmschichtsystem mit Korrosions- und Erosionsschutz |
US20150247245A1 (en) * | 2013-09-30 | 2015-09-03 | Honeywell International Inc. | Protective coating systems for gas turbine engine applications and methods for fabricating the same |
FR3057580A1 (fr) * | 2016-10-18 | 2018-04-20 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procede de revetement d'une surface d'un substrat solide par une couche comprenant un compose ceramique, et substrat revetu ainsi obtenu |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999042630A1 (de) * | 1998-02-20 | 1999-08-26 | Rainer Gadow | Wärmedämmmaterial und verfahren zum herstellen eines solchen |
DE10008861A1 (de) * | 2000-02-25 | 2001-09-06 | Forschungszentrum Juelich Gmbh | Kombinierte Wärmedämmschichtsysteme |
WO2004104378A1 (de) * | 2003-05-17 | 2004-12-02 | Mtu Aero Engines Gmbh | Einlaufbelag für gasturbinen |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2218447C2 (ru) * | 1997-11-03 | 2003-12-10 | Сименс Акциенгезелльшафт | Изделие, подвергаемое воздействию горячего агрессивного газа, в частности, деталь газовой турбины (варианты) и способ изготовления теплоизоляционного слоя для изделия |
DE10225532C1 (de) * | 2002-06-10 | 2003-12-04 | Mtu Aero Engines Gmbh | Schichtsystem für die Rotor-/Statordichtung einer Strömungsmaschine |
-
2004
- 2004-05-26 DE DE102004025798A patent/DE102004025798A1/de not_active Withdrawn
-
2005
- 2005-05-24 US US11/597,800 patent/US7445851B2/en active Active
- 2005-05-24 EP EP05753178A patent/EP1784525A1/de not_active Ceased
- 2005-05-24 WO PCT/DE2005/000944 patent/WO2005116295A1/de active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999042630A1 (de) * | 1998-02-20 | 1999-08-26 | Rainer Gadow | Wärmedämmmaterial und verfahren zum herstellen eines solchen |
DE10008861A1 (de) * | 2000-02-25 | 2001-09-06 | Forschungszentrum Juelich Gmbh | Kombinierte Wärmedämmschichtsysteme |
WO2004104378A1 (de) * | 2003-05-17 | 2004-12-02 | Mtu Aero Engines Gmbh | Einlaufbelag für gasturbinen |
Non-Patent Citations (1)
Title |
---|
FRIEDRICH C J ET AL: "LANTHANUM HEXAALUMINATE THERMAL BARRIER COATINGS", CERAMIC ENGINEERING AND SCIENCE PROCEEDINGS, COLUMBUS, US, vol. 22, no. 4, 2001, pages 375 - 382, XP009007230, ISSN: 0196-6219 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007041983A1 (de) * | 2005-10-08 | 2007-04-19 | Mtu Aero Engines Gmbh | Wärmedämmschicht |
WO2007143973A2 (de) * | 2006-06-16 | 2007-12-21 | Mtu Aero Engines Gmbh | Wärmedämmschicht |
WO2007143973A3 (de) * | 2006-06-16 | 2008-04-10 | Mtu Aero Engines Gmbh | Wärmedämmschicht |
US8153274B2 (en) | 2006-06-16 | 2012-04-10 | Mtu Aero Engines Gmbh | Thermal barrier layer |
DE102014220359A1 (de) * | 2014-10-08 | 2016-04-14 | Siemens Aktiengesellschaft | Doppellagige Zirkonoxidschicht mit hochreinem Anteil |
Also Published As
Publication number | Publication date |
---|---|
EP1784525A1 (de) | 2007-05-16 |
DE102004025798A1 (de) | 2005-12-22 |
US7445851B2 (en) | 2008-11-04 |
US20070248764A1 (en) | 2007-10-25 |
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