JP6881862B2 - タービン部品の修理方法 - Google Patents
タービン部品の修理方法 Download PDFInfo
- Publication number
- JP6881862B2 JP6881862B2 JP2019545949A JP2019545949A JP6881862B2 JP 6881862 B2 JP6881862 B2 JP 6881862B2 JP 2019545949 A JP2019545949 A JP 2019545949A JP 2019545949 A JP2019545949 A JP 2019545949A JP 6881862 B2 JP6881862 B2 JP 6881862B2
- Authority
- JP
- Japan
- Prior art keywords
- ceramic
- tip
- blade
- layer
- aerofoil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Images
Classifications
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- 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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- 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
- B22F7/08—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 with one or more parts not made from powder
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- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/04—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from several pieces
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- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
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- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
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- 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
- B22F2007/068—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 repairing articles
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- 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
- B23P6/007—Repairing turbine components, e.g. moving or stationary blades, rotors using only additive methods, e.g. build-up welding
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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
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/22—Manufacture essentially without removing material by sintering
-
- 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
- F05D2230/30—Manufacture with deposition of material
- F05D2230/31—Layer deposition
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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
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/125—Fluid guiding means, e.g. vanes related to the tip of a stator vane
-
- 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
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/307—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the tip of a rotor blade
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Powder Metallurgy (AREA)
- Ceramic Engineering (AREA)
- Architecture (AREA)
Description
コアとシェルとの間に十分なセラミックフィラメントを使用してコアの蛇行のための浸出経路を位置付け提供することはまた、ボールろう付けシュートの排除を可能にする。先端部プレナムコアとシェルとの間にセラミックフィラメントを設けて、浮動先端部プレナムを支持し、伝統的な先端部ピンの必要性及びその後のろう付けによる閉鎖をなくしてもよい。
(b)融着層を形成するために前記金属粉末の少なくとも一部を照射することと、
(c)金属物体が形成されるまで工程(a)〜(b)を繰り返すことと、
(d)前記セラミックコアを除去することと
を含む金属物体の製造方法。
(b)融着層を形成するために前記金属粉末の少なくとも一部を照射することと、
(c)ブレード又はベーンが形成されるまで工程(a)〜(b)を繰り返すことと、
(d)前記セラミックコアを除去することと
を含むタービンブレード又はベーンの製造方法。
(a)前記エーロフォイルの表面部分及びセラミックコアの表面部分に金属粉末の層を堆積させることであって、前記セラミックコアが前記エーロフォイルの内側空洞を満たすことと、
(b)融着層を形成するために前記金属粉末の少なくとも一部を照射することと、
(c)前記ブレード又はベーンが形成されるまで工程(a)〜(b)を繰り返すことと、
(d)前記セラミックコアを除去することと
を含む方法によって作製される、タービンブレード又はベーン。
Claims (13)
- セラミックスラリーを凝固させて鋳造部品(510)の内側空洞を満たすセラミックコア(504)を形成するために、前記セラミックスラリーの少なくとも1つの層を前記鋳造部品(510)の表面部分(512)に堆積させることと、
(a)前記鋳造部品(510)の前記表面部分(512)及び前記セラミックコア(504)の前記表面部分(512)上に金属粉末(P)の層を堆積させることと、
(b)融着層を形成するために前記金属粉末の少なくとも一部を照射することと、
(c)金属物体が形成されるまで工程(a)〜(b)を繰り返すことと、
(d)前記セラミックコア(504)を除去することと
を含む金属物体の製造方法。 - 工程(a)〜(c)が、誘導加熱、放射加熱、又は両方の組み合わせの存在下で実行される、請求項1に記載の方法。
- 前記金属物体に1又は複数の穴が形成され、前記セラミックコア(504)が前記1又は複数の穴を通して除去される、請求項1又は請求項2に記載の方法。
- 前記金属物体がタービン部品である、請求項1〜請求項3のいずれか一項に記載の方法。
- 前記鋳造部品(510)がエーロフォイルである、請求項1〜請求項4のいずれか一項に記載の方法。
- セラミックスラリーを凝固させて鋳造部品(510)の内側空洞を満たすセラミックコア(504)を形成するために、前記セラミックスラリーの少なくとも1つの層を前記鋳造部品(510)の表面部分(512)に堆積させることと、
(a)前記鋳造部品(510)の前記表面部分(512)及び前記セラミックコア(504)の前記表面部分(512)上に金属粉末(P)の層を堆積させることと、
(b)融着層を形成するために前記金属粉末の少なくとも一部を照射することと、
(c)ブレード又はベーンが形成されるまで工程(a)〜(b)を繰り返すことと、
(d)前記セラミックコア(504)を除去することと
を含むタービンブレード又はベーンの製造方法。 - 前記ブレード又はベーンの前記鋳造部品(510)が、セラミックシェル(502)によってさらに囲まれている、請求項6に記載の方法。
- 工程(a)〜(c)が、誘導加熱、放射加熱、又は両方の組み合わせの存在下で実行される、請求項6又は請求項7に記載の方法。
- 前記ブレード又はベーンに1又は複数の穴が形成され、前記セラミックコア(504)が前記1又は複数の穴を通して除去される、請求項6〜請求項8のいずれか一項に記載の方法。
- 前記鋳造部品(510)がエーロフォイルである、請求項6〜請求項9のいずれか一項に記載の方法。
- 単結晶構造を有するエーロフォイル(510)と非単結晶構造を有する先端部とを含むタービンブレード又はベーンであって、前記先端部が、
セラミックスラリーを凝固させて前記エーロフォイル(510)の内側空洞を満たすセラミックコア(504)を形成するために、前記セラミックスラリーの少なくとも1つの層を前記エーロフォイル(510)の表面部分(512)に堆積させることと、
(a)前記エーロフォイル(510)の前記表面部分(512)及び前記セラミックコア(504)の前記表面部分(512)に金属粉末(P)の層を堆積させることと、
(b)融着層を形成するために前記金属粉末の少なくとも一部を照射することと、
(c)ブレード又はベーンが形成されるまで工程(a)〜(b)を繰り返すことと、
(d)前記セラミックコア(504)を除去することと
を含む方法によって作製される、タービンブレード又はベーン。 - 前記エーロフォイル(510)が、セラミックシェル(502)によってさらに囲まれている、請求項11に記載のタービンブレード又はベーン。
- 工程(a)〜(c)が放射加熱の存在下で実行される、請求項11又は請求項12に記載のタービンブレード又はベーン。
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US15/439,548 | 2017-02-22 | ||
US15/439,548 US10717130B2 (en) | 2017-02-22 | 2017-02-22 | Method of manufacturing turbine airfoil and tip component thereof |
PCT/US2018/014189 WO2018156270A1 (en) | 2017-02-22 | 2018-01-18 | Method of manufacturing turbine airfoil and tip component thereof |
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EP (1) | EP3585543A4 (ja) |
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-
2017
- 2017-02-22 US US15/439,548 patent/US10717130B2/en active Active
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2018
- 2018-01-18 EP EP18757603.8A patent/EP3585543A4/en active Pending
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CN110520233B (zh) | 2021-11-16 |
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CN110520233A (zh) | 2019-11-29 |
US20180236557A1 (en) | 2018-08-23 |
US10717130B2 (en) | 2020-07-21 |
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