JP4949092B2 - 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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- JP4949092B2 JP4949092B2 JP2007068364A JP2007068364A JP4949092B2 JP 4949092 B2 JP4949092 B2 JP 4949092B2 JP 2007068364 A JP2007068364 A JP 2007068364A JP 2007068364 A JP2007068364 A JP 2007068364A JP 4949092 B2 JP4949092 B2 JP 4949092B2
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- preform
- flow path
- melting point
- superalloy
- repair
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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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Powder Metallurgy (AREA)
Description
Claims (10)
- ガスタービン固定流路側壁(50)の修理方法であって、
(1)以前に使用された超合金製ガスタービン固定流路側壁であって、前記超合金がニッケル基超合金及びコバルト基超合金からなる群から選択され、流路表面(74)を有する固定流路側壁を用意する段階(100)と、
(2)前記側壁の流路表面(74)に適用するための修復プリフォームを調製する段階(110)であって、(2−i)高融点合金成分と低融点合金成分と逃散性結合剤とを含む前駆混合物を用意する工程(115)と、(2−ii)該前駆混合物からゆるやかに湾曲した修復プリフォームを形成する工程(120)と、(2−iii)該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温度で、前記修復プリフォームを部分的に高密度化するとともに結合剤を焼失させるのに十分な時間焼結させる工程(125)とを含んでいて、前記焼結が前記流路表面(74)以外のゆるやかに湾曲する平面上で行われる段階と、
(3)修復コーティングを前記流路表面に適用する段階(145)であって、(3−i)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る工程(150)と、(3−ii)前記側壁を部分高密度化プリフォームと共に、部分高密度化プリフォームと流路表面との間で金属拡散結合を形成するのに十分な時間及び温度で加熱することによって、ゆるやかに湾曲する部分高密度化プリフォームを前記流路表面に熱的に結合させて修復コーティング(72)を形成する工程(155)とを含む段階と
を含む方法。 - 前記超合金がニッケル基超合金である、請求項1記載の方法。
- 前記高融点合金成分と低融点合金成分とが合計で、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。
- 前記高融点合金成分と低融点合金成分とが合計で、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と不可避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。
- 前記高融点合金成分と低融点合金成分とが合計で、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と不可避不純物を含む、請求項2記載の方法。
- 前記超合金がコバルト基超合金であって、前記高融点合金成分と低融点合金成分とが合計で、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と不可避不純物を含んでなり、実質的にホウ素を含まない、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1乃至請求項6のいずれか1項記載の方法。
- 前記熱的に結合させる段階が1232〜1288℃の温度で、20分〜2時間行われる、請求項1乃至請求項7のいずれか1項記載の方法。
- 前記修復コーティング(72)の多孔度が0.3〜3.0%である、請求項1乃至請求項8のいずれか1項記載の方法。
- 前記修復コーティング(72)が0.04〜0.160インチ(1.0〜4.1mm)の厚さを有する、請求項1乃至請求項9のいずれか1項記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/386,127 | 2006-03-22 | ||
US11/386,127 US7653994B2 (en) | 2006-03-22 | 2006-03-22 | Repair of HPT shrouds with sintered preforms |
Publications (2)
Publication Number | Publication Date |
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JP2007255415A JP2007255415A (ja) | 2007-10-04 |
JP4949092B2 true 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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FR2785559B1 (fr) * | 1998-11-10 | 2001-03-02 | Metals Process Systems | Procede de fabrication par metallurgie des poudres de pieces de forme autobrasantes |
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JP4724902B2 (ja) * | 1999-08-09 | 2011-07-13 | 株式会社ニコン | 可変焦点距離レンズ系 |
JP3801452B2 (ja) * | 2001-02-28 | 2006-07-26 | 三菱重工業株式会社 | 耐摩耗性コーティング及びその施工方法 |
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US20040086635A1 (en) * | 2002-10-30 | 2004-05-06 | Grossklaus Warren Davis | Method of repairing a stationary shroud of a gas turbine engine using laser cladding |
US20050053800A1 (en) * | 2003-09-04 | 2005-03-10 | General Electric Company | Method for post deposition of beta phase nickel aluminide coatings |
US6982123B2 (en) * | 2003-11-06 | 2006-01-03 | General Electric Company | Method for repair of a nickel-base superalloy article using a thermally densified coating |
US7343676B2 (en) * | 2004-01-29 | 2008-03-18 | United Technologies Corporation | Method of restoring dimensions of an airfoil and preform for performing same |
US20070107216A1 (en) | 2005-10-31 | 2007-05-17 | General Electric Company | Mim method for coating turbine shroud |
-
2006
- 2006-03-22 US US11/386,127 patent/US7653994B2/en active Active
-
2007
- 2007-03-08 CA CA2581908A patent/CA2581908C/en not_active Expired - Fee Related
- 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
Also Published As
Publication number | Publication date |
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CA2581908C (en) | 2015-06-09 |
US20070220748A1 (en) | 2007-09-27 |
US7653994B2 (en) | 2010-02-02 |
BRPI0700931B1 (pt) | 2020-03-31 |
CN101053897A (zh) | 2007-10-17 |
BRPI0700931A (pt) | 2007-11-27 |
EP1837104A2 (en) | 2007-09-26 |
EP1837104B1 (en) | 2013-10-16 |
CN101053897B (zh) | 2012-04-18 |
JP2007255415A (ja) | 2007-10-04 |
EP1837104A3 (en) | 2009-09-16 |
CA2581908A1 (en) | 2007-09-22 |
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