JP4125314B2 - 断熱コーティングを備えた物品およびその製造方法 - Google Patents
断熱コーティングを備えた物品およびその製造方法 Download PDFInfo
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- JP4125314B2 JP4125314B2 JP2005286763A JP2005286763A JP4125314B2 JP 4125314 B2 JP4125314 B2 JP 4125314B2 JP 2005286763 A JP2005286763 A JP 2005286763A JP 2005286763 A JP2005286763 A JP 2005286763A JP 4125314 B2 JP4125314 B2 JP 4125314B2
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- 239000012720 thermal barrier coating Substances 0.000 title claims abstract description 89
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000000034 method Methods 0.000 title description 7
- 239000000758 substrate Substances 0.000 claims abstract description 45
- 238000000576 coating method Methods 0.000 claims description 42
- 239000010410 layer Substances 0.000 claims description 42
- 239000011248 coating agent Substances 0.000 claims description 40
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 23
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 13
- 229910000601 superalloy Inorganic materials 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 239000011247 coating layer Substances 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000000873 masking effect Effects 0.000 description 4
- 229910000951 Aluminide Inorganic materials 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910000423 chromium oxide Inorganic materials 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 238000005328 electron beam physical vapour deposition Methods 0.000 description 2
- 238000004299 exfoliation Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000007750 plasma spraying Methods 0.000 description 2
- 239000011253 protective coating Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000005457 Black-body radiation Effects 0.000 description 1
- 238000005269 aluminizing Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000005486 sulfidation Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Images
Classifications
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- 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
-
- 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
- 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
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- 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
- C23C28/36—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including layers graded in composition or physical properties
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- 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
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- 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
- F05D2300/2112—Aluminium oxides
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- 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
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- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
成部品の運用年数を著しく延ばす可能性がある。
種々の実施態様においては、第1のコーティング体系は、第2のコーティング体系より
熱伝導性が低く(つまり、断熱性がより高く)てもよい。第2のコーティング体系は、第1のコーティング体系より厚くてもよい。第1および第2の基材は、(例えば、組成、構造、形状および大きさにおいて)実質的に同一であってもよい。装置は、ガスタービンエンジンであってもよい。第1および第2の構成部品は、1350℃を超える運転温度にさらされてもよい。
本発明の他の態様には、第1の放射率を有する金属基材を備えた物品に関する。TBCは、基材上に適用されるとともに、基材における熱的に誘発された疲労およびクリープを制限する手段を備える。TBCが剥落する前および剥落した後の両方の場合において、この制限を適用してもよい。TBCは、実質的にアルミナおよびクロミアから構成されてもよい。
Claims (18)
- 第1の放射率を有する金属基材と、
前記基材上にあるとともに、前記基材の相対的に低い熱負荷の領域に存在する第1の断熱コーティングであって、前記第1の放射率の少なくとも70%の放射率を有する第1の断熱コーティングと、
前記第1の断熱コーティングよりも低い放射率を有するとともに、前記基材の相対的に高い熱負荷の領域に存在する第2の断熱コーティングと、
を備える物品。 - 前記第1の断熱コーティングが、実質的にアルミナおよびクロミアからなることを特徴とする請求項1に記載の物品。
- 前記第1の断熱コーティングの主成分が、アルミナおよびクロミアの混合物からなることを特徴とする請求項1に記載の物品。
- 前記第1の断熱コーティングが、主成分がアルミナおよびクロミアの混合物からなる層を備え、前記層が、250μmを超える厚さを有することを特徴とする請求項1に記載の物品。
- 前記厚さが、250μmから640μmの範囲にあることを特徴とする請求項4に記載の物品。
- 前記厚さが、280μmから430μmの範囲にあることを特徴とする請求項4に記載の物品。
- 前記層が、最外層であり、前記最外層と前記基材との間にボンディングコート層が存在することを特徴とする請求項4に記載の物品。
- 前記第1の断熱コーティングが、5〜20BTU−inch/(hr−sqft−F)(0.72〜2.88W/m−k)の熱伝導率を有することを特徴とする請求項1に記載の物品。
- 前記基材が、ニッケルベースあるいはコバルトベースの超合金を備えることを特徴とする請求項1に記載の物品。
- ガスタービンエンジンの燃焼室パネル、
ガスタービンエンジンの排気ケース構成部品、
ガスタービンエンジンのノズル構成部品、
のうちの1つとして用いられる請求項1に記載の物品。 - 前記第1の断熱コーティングが、外表面下の、少なくとも10%から少なくとも50%の厚さの範囲にわたり均一な組成を有することを特徴とする請求項1に記載の物品。
- 第1の放射率を有する金属基材を提供することと、
前記基材の表面にボンディングコート層を適用することと、
前記基材の相対的に低い熱負荷の領域における前記ボンディングコート層上に、前記第1の放射率の少なくとも70%の放射率を有する第1の断熱コーティング層を適用することと、
前記基材の相対的に高い熱負荷の領域における前記ボンディングコート層上に、前記第1の断熱コーティング層よりも低い放射率を有する第2の断熱コーティング層を適用することと、
を備えることを特徴とする物品製造方法。 - 前記ボンディングコート層の厚さが、前記第1および第2の断熱コーティング層の前記厚さより薄いことを特徴とする請求項12に記載の製造方法。
- ニッケルベースまたはコバルトベースの超合金の鋳造および機械加工の少なくとも一方により、前記基材を形成する請求項12に記載の製造方法。
- 前記第1の断熱コーティングが、少なくともアルミナおよびクロミアから構成される層を備えることを特徴とする請求項1に記載の物品。
- 前記第1の断熱コーティングが、少なくとも70%(重量%)のアルミナおよびクロミアの混合物からなる層を備えることを特徴とする請求項4に記載の物品。
- 前記第1の断熱コーティングが、炭化ケイ素からなる層を備えることを特徴とする請求項1に記載の物品。
- 前記第1の断熱コーティングが、主成分がアルミナおよびクロミアの混合物からなる層を備え、前記層が、250μmを超える厚さを有することを特徴とする請求項12に記載の製造方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/968,322 US7413808B2 (en) | 2004-10-18 | 2004-10-18 | Thermal barrier coating |
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Publication Number | Publication Date |
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JP2006111972A JP2006111972A (ja) | 2006-04-27 |
JP4125314B2 true JP4125314B2 (ja) | 2008-07-30 |
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Country | Link |
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US (2) | US7413808B2 (ja) |
EP (1) | EP1647611B1 (ja) |
JP (1) | JP4125314B2 (ja) |
AT (1) | ATE452223T1 (ja) |
DE (1) | DE602005018303D1 (ja) |
SG (1) | SG121970A1 (ja) |
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US20080113163A1 (en) * | 2006-11-14 | 2008-05-15 | United Technologies Corporation | Thermal barrier coating for combustor panels |
US20100021643A1 (en) * | 2008-07-22 | 2010-01-28 | Siemens Power Generation, Inc. | Method of Forming a Turbine Engine Component Having a Vapor Resistant Layer |
US8337989B2 (en) | 2010-05-17 | 2012-12-25 | United Technologies Corporation | Layered thermal barrier coating with blended transition |
US20120164376A1 (en) * | 2010-12-23 | 2012-06-28 | General Electric Company | Method of modifying a substrate for passage hole formation therein, and related articles |
US9353948B2 (en) * | 2011-12-22 | 2016-05-31 | General Electric Company | Gas turbine combustor including a coating having reflective characteristics for radiation heat and method for improved combustor temperature uniformity |
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US9511388B2 (en) * | 2012-12-21 | 2016-12-06 | United Technologies Corporation | Method and system for holding a combustor panel during coating process |
US20140174091A1 (en) * | 2012-12-21 | 2014-06-26 | United Technologies Corporation | Repair procedure for a gas turbine engine via variable polarity welding |
WO2014138416A1 (en) * | 2013-03-06 | 2014-09-12 | United Technologies Corporation | Fixturing for thermal spray coating of gas turbine components |
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US10024619B2 (en) * | 2014-09-16 | 2018-07-17 | Gian Almazan | Temperature reduction protective wrap |
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US6620525B1 (en) | 2000-11-09 | 2003-09-16 | General Electric Company | Thermal barrier coating with improved erosion and impact resistance and process therefor |
US6821641B2 (en) * | 2001-10-22 | 2004-11-23 | General Electric Company | Article protected by thermal barrier coating having a sintering inhibitor, and its fabrication |
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US7226672B2 (en) | 2002-08-21 | 2007-06-05 | United Technologies Corporation | Turbine components with thermal barrier coatings |
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JP2006111972A (ja) | 2006-04-27 |
SG121970A1 (en) | 2006-05-26 |
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