JP2007255415A - 焼結されたプリフォームを有するhpt側壁の修理方法 - Google Patents
焼結されたプリフォームを有するhpt側壁の修理方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3033—Ni as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3046—Co as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
- B23P6/002—Repairing turbine components, e.g. moving or stationary blades, rotors
- B23P6/005—Repairing turbine components, e.g. moving or stationary blades, rotors using only replacement pieces of a particular form
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
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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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/005—Selecting particular materials
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/001—Turbines
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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
- F05D2230/80—Repairing, retrofitting or upgrading methods
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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
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49318—Repairing or disassembling
-
- 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
- Y10T29/49718—Repairing
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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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49718—Repairing
- Y10T29/49732—Repairing by attaching repair preform, e.g., remaking, restoring, or patching
-
- 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
- Y10T29/49718—Repairing
- Y10T29/49732—Repairing by attaching repair preform, e.g., remaking, restoring, or patching
- Y10T29/49742—Metallurgically attaching preform
-
- 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
- Y10T29/49718—Repairing
- Y10T29/49746—Repairing by applying fluent material, e.g., coating, casting
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Powder Metallurgy (AREA)
Abstract
【解決手段】上記方法は、超合金ガスタービンに以前使用されていた固定流路な側壁を用意することを含んでなる。上記方法はさらに、高融点合金成分、低融点合金成分及び逃散性結合剤を含む前駆混合物を準備する段階によって、側壁の流路表面に施すための修復コーティングを調製することを含んでなる。プリフォームは上記の構成要素から調製され、ゆるやかに湾曲する形へ予備焼結される。部分高密度化された上記プリフォームは流路表面に塗布され、流路表面に熱によって結合し、修理コーティングが形成される。
【選択図】図1
Description
Claims (10)
- ガスタービン固定流路側壁の修理方法であって、
前に使用された超合金ガスタービン固定流路側壁を用意する段階を含み、前記超合金がニッケル系超合金及びコバルト系超合金からなる群から選択され、前記側壁が流路表面を備え、
前記修理方法は更に、
高融点合金成分、低融点合金成分、及び逃散性結合剤を含む前駆混合物を用意し、ゆるやかに湾曲した修復プリフォームを前記前駆混合物から形成することによって前記側壁の流路表面を塗布するための修復コーティングを調製する段階と、
前記修復プリフォームを、前記低融点合金成分を溶かすのに十分に高い所定温度で、前記修復プリフォームを部分高密度化して結合剤を焼失させるのに十分な所定時間焼結させる段階であって、前記焼結がゆるやかに湾曲する平面上で行われる段階と、
修復コーティングを前記流路表面に塗布して、ゆるやかに湾曲した部分高密度化プリフォームを前記流路表面に接触させ、部分高密度化プリフォーム及び回復コーティングを形成している流路表面の間で、冶金的な拡散結合を形成するのに十分な所定時間及び所定温度で前記成分を部分高密度化プリフォームとともに加熱することによって、前記流路表面に、ゆるやかに湾曲する部分高密度化プリフォームを熱的に結合させる段階と、
を含む修理方法。 - 前記超合金がニッケル系超合金である請求項1記載の方法。
- 前記超合金がコバルト系超合金である請求項1記載の方法。
- 前記合金成分が、結合状態において、最大12重量%のクロム及び最大0.01重量%のイットリウムを含む請求項2記載の方法。
- 前記合金成分が、結合状態において、10.2重量%のクロム、5.6重量%のコバルト、7.2重量%のアルミニウム、4.3重量%のタンタル、1.3重量%のレニウム、3.1重量%のタングステン、0.1重量%のハフニウム、2.1重量%のシリコン、及び残部のニッケル並びに付随的な不純物を含んでなり、実質的にイットリウムを含まない請求項2記載の方法。
- 前記合金成分が、結合状態において、10〜20重量%のコバルト、14〜25重量%のクロム、2〜12重量%のアルミニウム、0〜0.2重量%のイットリウム、0.001〜3重量%のホウ素、1〜10重量%のシリコン、及び残部のニッケル並びに付随的な不純物を含む請求項2記載の方法。
- 前記合金成分が、結合状態において、10〜35重量%のクロム、4〜10重量%のアルミニウム、最大0.09重量%のイットリウム、2〜6重量%のシリコン、及び残部のコバルト並びに付随的な不純物を含んでなり、実質的にホウ素を含まない請求項3記載の方法。
- 前記焼結する段階が1177〜1246℃の温度で、0.25〜4時間行われる請求項1記載の方法。
- 前記熱的に結合する段階が1232〜1288℃の温度で、20分〜2時間行われる請求項1記載の方法。
- 前記焼結する段階が1177〜1246℃の温度で、0.25〜4時間行われる請求項2記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/386,127 US7653994B2 (en) | 2006-03-22 | 2006-03-22 | Repair of HPT shrouds with sintered preforms |
US11/386,127 | 2006-03-22 |
Publications (2)
Publication Number | Publication Date |
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JP2007255415A true JP2007255415A (ja) | 2007-10-04 |
JP4949092B2 JP4949092B2 (ja) | 2012-06-06 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007068364A Expired - Fee Related JP4949092B2 (ja) | 2006-03-22 | 2007-03-16 | 焼結されたプリフォームを有するhpt側壁の修理方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7653994B2 (ja) |
EP (1) | EP1837104B1 (ja) |
JP (1) | JP4949092B2 (ja) |
CN (1) | CN101053897B (ja) |
BR (1) | BRPI0700931B1 (ja) |
CA (1) | CA2581908C (ja) |
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- 2007-03-16 JP JP2007068364A patent/JP4949092B2/ja not_active Expired - Fee Related
- 2007-03-19 BR BRPI0700931-3A patent/BRPI0700931B1/pt not_active IP Right Cessation
- 2007-03-21 EP EP07104589.2A patent/EP1837104B1/en active Active
- 2007-03-22 CN CN2007101097409A patent/CN101053897B/zh active Active
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JP2014122423A (ja) * | 2012-12-19 | 2014-07-03 | General Electric Co <Ge> | 表面近接冷却マイクロチャネルを有する部品及びその製造方法 |
Also Published As
Publication number | Publication date |
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CA2581908A1 (en) | 2007-09-22 |
BRPI0700931A (pt) | 2007-11-27 |
US7653994B2 (en) | 2010-02-02 |
EP1837104A3 (en) | 2009-09-16 |
EP1837104A2 (en) | 2007-09-26 |
US20070220748A1 (en) | 2007-09-27 |
CN101053897B (zh) | 2012-04-18 |
BRPI0700931B1 (pt) | 2020-03-31 |
CA2581908C (en) | 2015-06-09 |
CN101053897A (zh) | 2007-10-17 |
EP1837104B1 (en) | 2013-10-16 |
JP4949092B2 (ja) | 2012-06-06 |
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