JP2007024042A - タービン・ブレードのチップを処理する方法およびその方法で処理したタービン・ブレード - Google Patents
タービン・ブレードのチップを処理する方法およびその方法で処理したタービン・ブレード Download PDFInfo
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- 239000010941 cobalt Substances 0.000 claims description 9
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- 230000008439 repair process Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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- 238000005234 chemical deposition Methods 0.000 description 1
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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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
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- C—CHEMISTRY; METALLURGY
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- 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
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- 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
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- C23C28/021—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 only coatings only including layers of metallic material including at least one metal alloy layer
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- 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
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- 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
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- 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
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- 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
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
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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
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- F05D2230/20—Manufacture essentially without removing material
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- F05D2230/234—Laser 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
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- F05D2230/20—Manufacture essentially without removing material
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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
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- F05D2230/30—Manufacture with deposition of material
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- F05D2230/313—Layer deposition by physical vapour 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
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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
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- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
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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
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- Inorganic Chemistry (AREA)
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Abstract
【解決手段】実施例において、金属マトリックス(5)にSiC粒子(3)を付与する前に、粒子表面に自己修復バリヤ層(32)を形成する。バリヤ層は、Cr、Zr、Ti、Ta、Nb、Hf、Y、Sc、Th、U、Mo、およびそれらの合金で被覆することで形成される。被覆済み粒子をMCrAlX系(MはNiおよび(または)Coおよび(または)Feを指し、XはYおよび(または)Zrおよび(または)Hfを指す)の金属マトリックス(5)に部分的に埋入し、そのマトリックスをブレード・チップに固定する。バリヤ層の自己修復性によって磨耗性コーティングの劣化を防止する。
【選択図】図3
Description
3 粒子
4 ハウジング
5 金属マトリックス
6 キャリヤ
7 エポキシ樹脂
8 ロウ材層
11 ブレード・チップ
12 磨耗性層
31 SiC粒子
32 バリヤ層
33 クロム層
41 磨耗性シール
42 担持媒体
Claims (20)
- 磨耗性コーティングを形成するためにシリコン・カーバイド(SiC)粒子(31)をブレード・チップ(11)の表面に結合させるタービン・ブレードのブレード・チップの処理方法であって、自己修復バリヤ層(32)がSiC粒子(31)の上に形成されることを特徴とする方法。
- SiC粒子(31)をブレード・チップ(11)の表面に付与する前にSiC粒子(31)の表面上に自己修復バリヤ層(32)が形成される請求項1に記載された方法。
- クロム(Cr)、ジルコニウム(Zr)、チタン(Ti)、タンタル(Ta)、ニオブ(Nb)、ハフニウム(Hf)、イットリウム(Y)、スカンジウム(Sc)、トリウム(Th)、ウラン(U)、モリブデン(Mo)およびそれらの列挙した元素の合金を含む群から選ばれた材料を被覆することで自己修復バリヤ層(32)が形成される請求項1または請求項2に記載された方法。
- クロムまたはクロム合金を被覆することで自己修復バリヤ層(32)が形成される請求項1から請求項3までのいずれか一項に記載された方法。
- ブレード・チップ(11)の表面の金属マトリックス(5)に埋入させることでSiC粒子(31)がブレード・チップ(11)の表面に結合される請求項1から請求項4までのいずれか一項に記載された方法。
- SiC粒子(31)がMCrAlXマトリックス(5)(Mはニッケル(Ni)および(または)コバルト(Co)および(または)鉄(Fe)を指し、Xはイットリウム(Y)および(または)ジルコニウム(Zr)および(または)ハフニウム(Hf)を指す)に埋入される請求項5に記載された方法。
- バリヤ層(32)を備えたSiC粒子(31)をキャリヤ(6)に固定し、
引続き金属マトリックスを形成して、キャリヤ(6)から遠いSiC粒子(3)の少なくとも表面部分をその金属マトリックス中に埋入させ、
キャリヤ(6)を取外す、請求項1から請求項6までのいずれか一項に記載された方法。 - SiC粒子(32)をキャリヤ(6)に固定し、
特にPVD方法によってバリヤ層(32)をSiC粒子上に形成し、
引続き被覆によって金属マトリックス(5)を形成してキャリヤ(6)から遠いSiC粒子(31)の少なくとも表面部分をその金属マトリックス中に埋入させ、
キャリヤ(6)から遠いその表面をブレード・チップ(11)に固定し、
キャリヤ(6)を取外す、請求項1から請求項7までのいずれか一項に記載された方法。 - キャリヤ(6)から遠い表面をロウ付けによってブレード・チップ(11)に固定する請求項7または請求項8に記載された方法。
- 金属マトリックス(5)が物理的蒸着により、換言すればPVD方法、特に高速PVD方法によって、蒸気相から形成された請求項4から請求項9までのいずれか一項に記載された方法。
- SiC粒子(31)がロウ付けによってブレード・チップ(11)に結合される請求項1から請求項9までのいずれか一項に記載された方法。
- ロウ付けの前に、MCrAlX層(Mはニッケル(Ni)および(または)コバルト(Co)および(または)鉄(Fe)を指し、Xはイットリウム(Y)および(または)ジルコニウム(Zr)および(または)ハフニウム(Hf)を指す)がまずブレード・チップ(11)上に形成される請求項11に記載された方法。
- SiC粒子(3)がレーザー溶接によってブレード・チップ(11)に結合される請求項1から請求項9までのいずれか一項に記載された方法。
- SiC粒子(31)がバリヤ層(32)に加えて保護層、好ましくはMCrAlXの保護層(Mはニッケル(Ni)および(または)コバルト(Co)および(または)鉄(Fe)を指し、Xはイットリウム(Y)および(または)ジルコニウム(Zr)および(または)ハフニウム(Hf)を指す)を形成される請求項1から請求項13までのいずれか一項に記載された方法。
- ブレード・チップ(11)が請求項1から請求項14までのいずれか一項に記載された方法で処理されたタービン・ブレード。
- ブレード・チップ(11)が磨耗性層(12)を形成され、磨耗性層はシリコン−カーバイド(SiC)粒子を含んでいるタービン・ブレードであって、SiC粒子(31)が自己修復バリヤ層(32)を有することを特徴とするタービン・ブレード。
- クロム(Cr)、ジルコニウム(Zr)、チタン(Ti)、タンタル(Ta)、ニオブ(Nb)、ハフニウム(Hf)、イットリウム(Y)、スカンジウム(Sc)、トリウム(Th)、ウラン(U)、モリブデン(Mo)、およびそれらの列挙した元素の合金を含む群から選ばれた材料を被覆することでバリヤ層(32)が形成された請求項16に記載されたタービン・ブレード。
- クロムまたはクロム合金を被覆することでバリヤ層(32)が形成された請求項16または請求項17に記載されたタービン・ブレード。
- 金属マトリックスに埋入させることでSiC粒子(31)がブレード・チップの表面に結合された請求項16から請求項18までのいずれか一項に記載されたタービン・ブレード。
- SiC粒子(31)がMCrAlX(Mはニッケル(Ni)および(または)コバルト(Co)および(または)鉄(Fe)を指し、Xはイットリウム(Y)および(または)ジルコニウム(Zr)および(または)ハフニウム(Hf)を指す)のマトリックス(5)に埋入された請求項19に記載されたタービン・ブレード。
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ES2355152T3 (es) | 2011-03-23 |
JP4799302B2 (ja) | 2011-10-26 |
CN1896464A (zh) | 2007-01-17 |
DE502006008460D1 (de) | 2011-01-20 |
RU2006125253A (ru) | 2008-01-20 |
ATE491052T1 (de) | 2010-12-15 |
EP1743958B1 (de) | 2010-12-08 |
US20070099011A1 (en) | 2007-05-03 |
EP1743958A1 (de) | 2007-01-17 |
CA2550535A1 (en) | 2007-01-14 |
RU2414547C2 (ru) | 2011-03-20 |
US7718280B2 (en) | 2010-05-18 |
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CN1896464B (zh) | 2012-04-18 |
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