JP2016142267A - Cmcタービン構成部品及びcmcタービン構成部品の形成方法 - Google Patents
Cmcタービン構成部品及びcmcタービン構成部品の形成方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 17
- 239000011153 ceramic matrix composite Substances 0.000 claims abstract description 102
- 239000012530 fluid Substances 0.000 claims abstract description 76
- 239000000758 substrate Substances 0.000 claims abstract description 65
- 238000000576 coating method Methods 0.000 claims abstract description 54
- 239000011248 coating agent Substances 0.000 claims abstract description 53
- 238000004891 communication Methods 0.000 claims abstract description 18
- 230000004888 barrier function Effects 0.000 claims abstract description 13
- 230000007613 environmental effect Effects 0.000 claims abstract description 13
- 239000012634 fragment Substances 0.000 claims abstract description 9
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 23
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 23
- 238000009736 wetting Methods 0.000 claims description 23
- 238000001035 drying Methods 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 20
- 238000002485 combustion reaction Methods 0.000 claims description 14
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000004917 carbon fiber Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000006866 deterioration Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 239000007789 gas Substances 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 206010040844 Skin exfoliation Diseases 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- WOIHABYNKOEWFG-UHFFFAOYSA-N [Sr].[Ba] Chemical compound [Sr].[Ba] WOIHABYNKOEWFG-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 1
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- 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
- F01D5/14—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
- F01D5/186—Film cooling
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- C—CHEMISTRY; METALLURGY
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
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- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
- F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
- F01D11/06—Control thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/44—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
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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
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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
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/14—Casings modified therefor
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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
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/282—Selecting composite materials, e.g. blades with reinforcing filaments
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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
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/284—Selection of ceramic 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
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
- B29C70/545—Perforating, cutting or machining during or after moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/748—Machines or parts thereof not otherwise provided for
- B29L2031/7504—Turbines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
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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
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
- F01D11/20—Actively adjusting tip-clearance
- F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
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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
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
- F02C6/06—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
- F02C6/06—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas
- F02C6/08—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas the gas being bled from the gas-turbine compressor
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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
- F05D2230/90—Coating; Surface treatment
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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
- F05D2240/11—Shroud seal segments
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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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/202—Heat transfer, e.g. cooling by film cooling
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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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- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/232—Heat transfer, e.g. cooling characterized by the cooling medium
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- F05D2270/00—Control
- F05D2270/01—Purpose of the control system
- F05D2270/09—Purpose of the control system to cope with emergencies
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- F05D2270/00—Control
- F05D2270/01—Purpose of the control system
- F05D2270/11—Purpose of the control system to prolong engine life
- F05D2270/112—Purpose of the control system to prolong engine life by limiting temperatures
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- F05D2300/20—Oxide or non-oxide ceramics
- F05D2300/22—Non-oxide ceramics
- F05D2300/226—Carbides
- F05D2300/2261—Carbides of silicon
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- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/603—Composites; e.g. fibre-reinforced
- F05D2300/6033—Ceramic matrix composites [CMC]
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Abstract
【解決手段】第1の面105が圧縮乾燥流体109と流体連通しており、第2の面107が湿潤流体ストリーム111と流体連通しており、第2の面107が気密コーティング113を含むCMC基材103からなる構成部品101が、第1の面105からCMC基材の一部203を通って延びる少なくとも1つの開口201を備え、気密コーティング113及びCMC基材103の一方又は両方の破断片が剥がれたときに、少なくとも1つの開口201により第2の面への圧縮乾燥流体の流れ303を選択的に可能にすることで、CMC基材103の揮発が低減又は排除される。
【選択図】図2
Description
[実施態様1]
第1の面と第2の面とを有するセラミックマトリックス複合材(CMC)基材を備えた構成部品であって、
上記第1の面が圧縮乾燥流体と流体連通しており、上記第2の面が湿潤流体ストリームと流体連通しており、該第2の面が気密コーティングを含み、
上記構成部品が更に、
上記第1の面から上記CMC基材の一部を通って延びる少なくとも1つの開口を備え、
上記気密コーティング及び上記CMC基材の一方又は両方の破断片が剥がれたときに、上記少なくとも1つの開口により上記第2の面への上記圧縮乾燥流体の流れを選択的に可能にする、構成部品。
[実施態様2]
上記流れが、上記湿潤流体ストリームにおける上記CMC基材の揮発を低減又は排除するのに十分である、実施態様1に記載の構成部品。
[実施態様3]
上記気密コーティングが、環境障壁コーティングである、実施態様1に記載の構成部品。
[実施態様4]
上記環境障壁コーティングが、炭化ケイ素を含む、実施態様3に記載の構成部品。
[実施態様5]
上記少なくとも1つの開口が、上記第1の面から上記気密コーティングまで延びる、実施態様1に記載の構成部品。
[実施態様6]
上記少なくとも1つの開口が、上記CMC基材を通って部分的に延びる、実施態様1に記載の構成部品。
[実施態様7]
上記CMC基材が、炭素繊維強化炭素(C/C)、炭素繊維強化炭化ケイ素(C/SiC)、炭化ケイ素繊維強化炭化ケイ素(SiC/SiC)、及びアルミニウム繊維強化アルミニウム(Al2O3/Al2O3)、並びにこれらの組み合わせからなる群から選択された材料を含む、実施態様1に記載の構成部品。
[実施態様8]
上記少なくとも1つの開口が、一方の端部にディフューザを含む、実施態様1に記載の構成部品。
[実施態様9]
上記少なくとも1つの開口が、上記第2の面に対して斜角で位置付けられる、実施態様1に記載の構成部品。
[実施態様10]
上記湿潤流体ストリームが高温燃焼ストリームである、実施態様1に記載の構成部品。
[実施態様11]
圧縮乾燥流体が、湿潤流体ストリームよりも低い含水量を有する、実施態様1に記載の構成部品。
[実施態様12]
上記構成部品が、シュラウド、ノズル、燃焼ライナ、及びバケットからなる群から選択されたタービン構成部品である、実施態様1に記載の構成部品。
[実施態様13]
上記構成部品が、シュラウド、ノズル、燃焼ライナ、及びバケットからなる群から選択されたタービン構成部品である、実施態様1に記載の構成部品。
[実施態様14]
構成部品を形成する方法であって、セラミックマトリックス複合材(CMC)基材において、第1の面から上記CMC基材の一部を通って延びる少なくとも1つの開口を形成するステップと、上記CMC基材の第2の面上に気密コーティングを形成するステップと、
を含み、上記気密コーティング及び上記CMC基材の一方又は両方の破断片が剥がれたときに、上記少なくとも1つの開口により上記第2の面への圧縮乾燥流体の流れを選択的に可能にする、方法。
[実施態様15]
気密コーティングが、CMC基材において少なくとも1つの開口の形成前に形成される、実施態様14に記載の方法。
[実施態様16]
気密コーティングが、CMC基材において少なくとも1つの開口の形成後に形成される、実施態様14に記載の方法。
[実施態様17]
気密コーティングが環境障壁コーティングである、実施態様14に記載の方法。
[実施態様18]
少なくとも1つの開口を形成するステップが、機械的孔開け、レーザ孔開け、又はこれらの組み合わせを含む、実施態様14に記載の方法。
[実施態様19]
少なくとも1つの開口が、第1の面から気密コーティングまで延びる、実施態様14に記載の方法。
[実施態様20]
少なくとも1つの開口が、CMC基材を通って部分的に延びる、実施態様14に記載の方法。
105 第1の面
107 第2の面
103 CMC基材
101 構成部品
109 圧縮乾燥流体
111 湿潤流体ストリーム
113 気密コーティング
201 開口
Claims (10)
- 第1の面(105)と第2の面(107)とを有するセラミックマトリックス複合材(CMC)基材(103)を備えた構成部品(101)であって、
前記第1の面(105)が圧縮乾燥流体(109)と流体連通しており、前記第2の面(107)が湿潤流体ストリーム(111)と流体連通しており、該第2の面(107)が気密コーティング(113)を含み、
前記構成部品(101)が更に、
前記第1の面(105)から前記CMC基材(103)の一部(203)を通って延びる少なくとも1つの開口(201)を備え、
前記気密コーティング(113)及び前記CMC基材(103)の一方又は両方の破断片が剥がれたときに、前記少なくとも1つの開口(201)により前記第2の面(107)への前記圧縮乾燥流体(109)の流れ(303)を選択的に可能にする、構成部品(101)。 - 前記流れ(303)が、前記湿潤流体ストリーム(111)における前記CMC基材(103)の揮発を低減又は排除するのに十分である、請求項1に記載の構成部品(101)。
- 前記気密コーティング(113)が、環境障壁コーティング(119)である、請求項1に記載の構成部品(101)。
- 前記環境障壁コーティング(119)が、炭化ケイ素を含む、請求項3に記載の構成部品(101)。
- 前記少なくとも1つの開口(201)が、前記第1の面(105)から前記気密コーティング(113)まで延びる、請求項1に記載の構成部品(101)。
- 前記少なくとも1つの開口(201)が、前記CMC基材(103)を通って部分的に延びる、請求項1に記載の構成部品(101)。
- 前記CMC基材(103)が、炭素繊維強化炭素(C/C)、炭素繊維強化炭化ケイ素(C/SiC)、炭化ケイ素繊維強化炭化ケイ素(SiC/SiC)、及びアルミニウム繊維強化アルミニウム(Al2O3/Al2O3)、並びにこれらの組み合わせからなる群から選択された材料を含む、請求項1に記載の構成部品(101)。
- 前記少なくとも1つの開口(201)が、前記第2の面(107)に対して斜角(211)で位置付けられる、請求項1に記載の構成部品(101)。
- 第1の面(105)と第2の面(107)とを有するセラミックマトリックス複合材(CMC)基材(103)を備えたガスタービン構成部品(101)であって、
前記第1の面(105)が圧縮乾燥流体(109)と流体連通しており、前記第2の面(107)が高温燃焼ストリームと流体連通しており、該第2の面(107)が環境障壁コーティング(119)を含み、
前記構成部品(101)が更に、
前記第1の面(105)から前記CMC基材(103)の一部(203)を通って延びる少なくとも1つの開口(201)を備え、
前記環境障壁コーティング(119)及び前記CMC基材(103)の一方又は両方の破断片が剥がれたときに、前記少なくとも1つの開口(201)により前記第2の面(107)への前記圧縮乾燥流体(109)の流れ(303)を選択的に可能にし、前記高温燃焼ストリームにおける前記CMC基材(103)の揮発を低減又は排除する、ガスタービン構成部品(101)。 - 構成部品(101)を形成する方法であって、
セラミックマトリックス複合材(CMC)基材(103)において、第1の面(105)から前記CMC基材(103)の一部(203)を通って延びる少なくとも1つの開口(201)を形成するステップと、
前記CMC基材(103)の第2の面(107)上に気密コーティング(113)を形成するステップと、
を含み、
前記気密コーティング(113)及び前記CMC基材(103)の一方又は両方の破断片が剥がれたときに、前記少なくとも1つの開口(201)により前記第2の面(107)への圧縮乾燥流体(109)の流れ(303)を選択的に可能にする、方法。
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JP2009052553A (ja) * | 2007-08-23 | 2009-03-12 | General Electric Co <Ge> | ガスタービンシュラウド支持装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109555603A (zh) * | 2017-09-27 | 2019-04-02 | 中国航发商用航空发动机有限责任公司 | 一种复合材料密封罩及其制备方法 |
CN109555603B (zh) * | 2017-09-27 | 2020-01-10 | 中国航发商用航空发动机有限责任公司 | 一种复合材料密封罩及其制备方法 |
Also Published As
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EP3054105A1 (en) | 2016-08-10 |
EP3054105B1 (en) | 2021-03-03 |
CN105840245A (zh) | 2016-08-10 |
CN105840245B (zh) | 2020-07-28 |
JP6730034B2 (ja) | 2020-07-29 |
US20160221881A1 (en) | 2016-08-04 |
US9718735B2 (en) | 2017-08-01 |
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