JP4643231B2 - 被覆部品を補修する方法 - Google Patents
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- JP4643231B2 JP4643231B2 JP2004328916A JP2004328916A JP4643231B2 JP 4643231 B2 JP4643231 B2 JP 4643231B2 JP 2004328916 A JP2004328916 A JP 2004328916A JP 2004328916 A JP2004328916 A JP 2004328916A JP 4643231 B2 JP4643231 B2 JP 4643231B2
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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
- C23C28/32—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
- 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
- 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
- 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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- 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
- F01D5/005—Repairing methods or devices
-
- 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
- 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
- F05D2230/80—Repairing, retrofitting or upgrading methods
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/50—Intrinsic material properties or characteristics
- F05D2300/501—Elasticity
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49318—Repairing or disassembling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Description
12 翼形部
14 ダブテール
16 プラットフォーム
18 断熱皮膜システム
20 ボンディングコート
22 セラミック断熱皮膜
Claims (8)
- エンジン作動に曝されてきた被覆部品を、該部品の被覆外形寸法を復元しかつその後のエンジン作動効率を増大させるように補修する方法であって、当該方法が、
(a)その上に断熱皮膜システムを有するベース金属基体を含み、前記断熱皮膜システムが、前記ベース金属基体上のボンディングコート(20)と公称厚さtを有する上層セラミック断熱皮膜(22)とを含む、エンジン運転使用済み部品であって、エンジン作動前のボンディングコートを含む部品の重量がw 0 で、かつエンジン作動前のボンディングコートと上層セラミック断熱皮膜とを含む部品の重量がw 1 であった、エンジン運転使用済み部品を準備する段階と、
(b)前記ベース金属基体の一部分も除去するように前記断熱皮膜システムを完全に除去し、かつ前記除去したベース金属基体の厚さを測定して、該除去したベース金属基体の一部分の厚さΔtを求める段階であって、上層セラミック断熱皮膜を除去した後前記ボンディングコートを除去する前の部品の重量がw 2 であり、前記断熱皮膜システムを完全に除去した後の部品の重量がw 3 である段階と、
(c)エンジン作動の前に施工されていた厚さと同じ厚さで、ボンディングコート(20)を前記基体に再施工する段階であって、残存重量マージンを求めるためにボンディングコートを再施工した後の部品の重量w 4 を秤量し、w 0 、w 1 、w 2 、w 3 及びw 4 の組合せを用いて、除去したベース金属の量を求めるとともに重量を増加させずに上層セラミック断熱皮膜を施工すべき厚さを計算する段階と、
(d)Δtが前記段階(b)において除去したベース金属基体の部分を補償しかつエンジン作動前の隣接翼形部間のスロート距離が復元されて被覆部品の寸法がエンジン作動前の被覆外形寸法に復元されてその後のエンジン作動効率を増大させるように、上層セラミック断熱皮膜(22)を公称厚さt+Δtまで再施工する段階と
を含んでおり、段階(c)で再施工されたボンディングコートと段階(d)で再施工された上層セラミック断熱皮膜とを含む部品の重さw 5 がw 1 よりも小さい、方法。 - エンジン作動に曝されてきた被覆高圧タービンブレード(10)を、該ブレード(10)の翼形部(12)外形寸法を復元するように補修する方法であって、当該方法が、
(a)その上に断熱皮膜システムを有するニッケル基合金で作られたベース金属基体を含み、前記断熱皮膜システムが、前記ベース金属基体上の拡散ボンディングコート(20)と公称厚さtを有するイットリア安定化ジルコニア材料を含む上層セラミック断熱皮膜(22)とを含む、エンジン運転使用済み高圧タービンブレード(10)であって、エンジン作動前の拡散ボンディングコートを含む高圧タービンブレードの重量がw 0 で、かつエンジン作動前の拡散ボンディングコートと上層セラミック断熱皮膜とを含む高圧タービンブレードの重量がw 1 であった、エンジン運転使用済み高圧タービンブレードを準備する段階と、
(b)前記ベース金属基体の一部分も除去するように前記断熱皮膜システムを完全に除去し、かつ前記除去したベース金属基体の厚さを測定して、該除去したベース金属基体の一部分の厚さΔtを求める段階であって、上層セラミック断熱皮膜を除去した後前記拡散ボンディングコートを除去する前の高圧タービンブレードの重量がw 2 であり、前記断熱皮膜システムを完全に除去した後の高圧タービンブレードの重量がw 3 である段階と、
(c)エンジン作動の前に施工されていたのと同じ厚さまで再施工されるように、前記拡散ボンディングコート(20)を前記基体に再施工する段階であって、残存重量マージンを求めるために拡散ボンディングコートを再施工した後の高圧タービンブレードの重量w 4 を秤量し、w 0 、w 1 、w 2 、w 3 及びw 4 の組合せを用いて、除去したベース金属の量を求めるとともに重量を増加させずに上層セラミック断熱皮膜を施工すべき厚さを計算する段階と、
(d)Δtが前記段階(b)において除去したベース金属基体の部分を補償しかつエンジン作動前の隣接翼形部間のスロート距離が復元されて前記被覆翼形部(12)外形寸法がエンジン作動前の被覆外形寸法に復元されるように、上層セラミック断熱皮膜(22)を公称厚さt+Δtまで再施工する段階と
を含んでおり、段階(c)で再施工された拡散ボンディングコートと段階(d)で再施工された上層セラミック断熱皮膜とを含む高圧タービンブレードの重さw 5 がw 1 よりも小さい、方法。 - エンジン作動に曝されてきた被覆部品を、該部品の被覆翼形部(12)外形寸法を復元するように補修する方法であって、当該方法が、
(a)その上に断熱皮膜システムを有するニッケル基合金で作られたベース金属基体を含み、前記断熱皮膜システムが、前記ベース金属基体上の拡散ボンディングコート(20)と公称厚さtを有するイットリア安定化ジルコニア材料を含む上層セラミック断熱皮膜(22)とを含む、エンジン運転使用済み部品であって、エンジン作動前の拡散ボンディングコートを含む部品の重量がw 0 で、かつエンジン作動前の拡散ボンディングコートと上層セラミック断熱皮膜とを含む部品の重量がw 1 であった、エンジン運転使用済み部品を準備する段階と、
(b)前記部品を検査する段階と、
(c)前記ベース金属基体の一部分も除去するようにストリッピング法により前記断熱皮膜システムを完全に除去し、前記除去したベース金属基体の部分が厚さΔtを有するようにする段階であって、上層セラミック断熱皮膜を除去した後前記拡散ボンディングコートを除去する前の部品の重量がw 2 であり、前記断熱皮膜システムを完全に除去した後の部品の重量がw 3 である段階と、
(d)エンジン作動の前に施工されていたのと同じ厚さまで再施工されるように、前記拡散ボンディングコート(20)を前記基体に再施工する段階と、続いて前記部品を重量測定してΔtを計算する段階であって、残存重量マージンを求めるために拡散ボンディングコートを再施工した後の部品の重量w 4 を秤量し、w 0 、w 1 、w 2 、w 3 及びw 4 の組合せを用いて、除去したベース金属の量を求めるとともに重量を増加させずに上層セラミック断熱皮膜を施工すべき厚さを計算する段階と、
(e)Δtが前記段階(c)において除去したベース金属基体の部分を補償しかつエンジン作動前の隣接翼形部間のスロート距離が復元されて前記被覆部品の翼形部外形寸法がエンジン作動前の被覆外形寸法に復元されるように、上層セラミック断熱皮膜(22)を公称厚さt+Δtまで再施工する段階と
を含んでおり、段階(d)で再施工されたボンディングコートと段階(e)で再施工された上層セラミック断熱皮膜とを含む部品の重さw 5 がw 1 よりも小さい、方法。 - 前記エンジン運転使用済み部品が高圧タービンブレード(10)であり、前記被覆部品の被覆翼形部(12)外形寸法が復元される、請求項1又は請求項3記載の方法。
- 前記部品が翼形部(12)である、請求項1又は請求項3記載の方法。
- tが0.0762mm〜0.254mm(3mil〜10mil)の間であり、Δtが少なくとも0.0254mm(1mil)である、請求項1乃至請求項3のいずれか一項記載の方法。
- 前記ボンディングコート(20)が、拡散アルミナイド皮膜又はMCrAlY皮膜を含む、請求項1乃至請求項3のいずれか一項記載の方法。
- 前記ベース金属基体が、ニッケル基単結晶超合金である、請求項1乃至請求項3のいずれか一項記載の方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US10/714,213 US7078073B2 (en) | 2003-11-13 | 2003-11-13 | Method for repairing coated components |
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JP2005147149A JP2005147149A (ja) | 2005-06-09 |
JP4643231B2 true JP4643231B2 (ja) | 2011-03-02 |
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US (1) | US7078073B2 (ja) |
EP (1) | EP1531232B1 (ja) |
JP (1) | JP4643231B2 (ja) |
BR (1) | BRPI0405191A (ja) |
CA (1) | CA2487604C (ja) |
SG (1) | SG112068A1 (ja) |
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Also Published As
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EP1531232A3 (en) | 2010-01-20 |
SG112068A1 (en) | 2005-06-29 |
CA2487604A1 (en) | 2005-05-13 |
EP1531232A2 (en) | 2005-05-18 |
US20050106316A1 (en) | 2005-05-19 |
US7078073B2 (en) | 2006-07-18 |
JP2005147149A (ja) | 2005-06-09 |
CA2487604C (en) | 2010-09-07 |
EP1531232B1 (en) | 2013-07-03 |
BRPI0405191A (pt) | 2005-07-19 |
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