JP7349778B2 - ターボ機械圧縮機用摩耗性シール組成物 - Google Patents
ターボ機械圧縮機用摩耗性シール組成物 Download PDFInfo
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- JP7349778B2 JP7349778B2 JP2018145687A JP2018145687A JP7349778B2 JP 7349778 B2 JP7349778 B2 JP 7349778B2 JP 2018145687 A JP2018145687 A JP 2018145687A JP 2018145687 A JP2018145687 A JP 2018145687A JP 7349778 B2 JP7349778 B2 JP 7349778B2
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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
- F01D11/122—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 with erodable or abradable material
- F01D11/125—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 with erodable or abradable material with a reinforcing structure
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
-
- 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
- F01D11/122—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 with erodable or abradable material
-
- 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
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
- F05D2220/323—Application in turbines in gas turbines for aircraft propulsion, e.g. jet engines
-
- 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
- F05D2230/312—Layer deposition by plasma spraying
-
- 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
-
- 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
- F05D2240/55—Seals
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/13—Refractory metals, i.e. Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
- F05D2300/132—Chromium
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
- F05D2300/173—Aluminium alloys, e.g. AlCuMgPb
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/20—Oxide or non-oxide ceramics
- F05D2300/22—Non-oxide ceramics
- F05D2300/228—Nitrides
- F05D2300/2282—Nitrides of boron
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/603—Composites; e.g. fibre-reinforced
- F05D2300/6032—Metal matrix composites [MMC]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Coating By Spraying Or Casting (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
前記金属相は20~45質量%のクロムを含む。
前記有機材料はポリエステルを含み、前記無機材料は六方晶窒化ホウ素を含む。
前記金属相はアルミニウムとクロムから構成される。
前記金属相は前記組成物の質量の50~90%を占める。
前記金属相は前記組成物の質量の82~90%を占める。
前記第2相は前記組成物の質量の10~50%を占める。
前記第2相は前記組成物の質量の10~25%を占める。
前記第2相は、ポリイミド、ポリアミドイミド、ポリエーテルイミド、ビスマレイミド、フッ素樹脂、ケトン系樹脂、液晶ポリマー、または、それらの組み合わせである材料のうち少なくとも1つを含む。
前記第2相は、二硫化モリブデン、黒鉛、タルク、ベントナイト、マイカ、または、それらの組み合わせである材料のうち少なくとも1つを含む。
前記圧縮機は、摩耗性シールが配置される有機マトリックス組成物壁と、および、前記有機マトリックス組成物壁と前記摩耗性シールとの間にあり、金属帯板で形成された接合部分とを、備える。
摩耗性シールと密封的に協働する動翼はチタンから成る。
動翼は遷音速度で運転するよう構成される。
摩耗性シールの径方向の厚みは動翼の平均的な厚みより大きい、または、等しく、および/または3.00mmより大きい、または、等しい。
帯板は鉄製であり、特に鋼鉄から成る。
摩耗性材料により製造されたシールの圧縮度は90%、95%、98%または99%より大きい、または、等しい。
(a)圧縮機の外部ケーシングである弧状壁を提供または製造する工程であり、前記壁は基板として作動する、工程100
(b)台と静翼を提供または製造する工程102
(c)帯状体を提供または製造する工程104
(d)帯状体をケーシングに設置する工程であり、特に弧状壁の内部表面に設置する工程106
(e)環状の列を形成する弧状壁に対して、それらの台を介して前記静翼を固定する工程108
(f)帯状体を覆うように、摩耗性組成物を、台の環状列の間の弧状壁に塗布する工程110
塗布する工程(f)110の開始時に、前記組成物は、主に、例えば粉末の形態のアルミニウムを含む金属相を有する。アルミニウムは純粋なアルミニウムまたは合金状であったもよい。これはクロムの場合も同じである。
Claims (12)
- ターボ機械用の摩耗性シール用組成物であり、前記組成物は前記ターボ機械のロータに接触した際に砕けることが可能であり、
前記組成物は、
アルミニウムを主成分とする金属相と、
無機材料および/または有機材料を含む第2相とを含み、
前記金属相はさらにクロムおよびニッケルを含み、前記金属相はニッケルより多くのクロムを含み、基板への固定の強化をもたらす、ターボ機械用摩耗性シール用組成物。 - 前記金属相は20~45質量%のクロムを含む、請求項1に記載の組成物。
- 前記有機材料はポリエステルを含み、前記無機材料は六方晶窒化ホウ素を含む、請求項1に記載の組成物。
- 前記金属相は前記組成物の質量の82~90%を占める、請求項1に記載の組成物。
- 前記第2相は前記組成物の質量の10~25%を占める、請求項1に記載の組成物。
- 前記第2相は、ポリイミド、ポリアミドイミド、ポリエーテルイミド、ビスマレイミド、フッ素樹脂、ケトン系樹脂、液晶ポリマー、または、それらの組み合わせである材料のうち少なくとも1つを含む、請求項1に記載の組成物。
- 前記第2相は、二硫化モリブデン、黒鉛、タルク、ベントナイト、マイカ、または、それらの組み合わせである材料のうち少なくとも1つを含む、請求項1に記載の組成物。
- 動翼を有するロータと、および、前記動翼と密封的に協働する摩耗性シールを有する壁とを備えるターボ機械用圧縮機であり、前記摩耗性シールが組成物を含み、
前記組成物は、
アルミニウムを主成分とする金属相であって、前記金属相はさらにクロムおよびニッケルを含み、ニッケルより多くのクロムを含む、前記金属相と、および、
無機材料および/または有機材料を含む第2相とを含み、
前記壁への固定の強化をもたらす、ターボ機械用圧縮機。 - 前記圧縮機の前記壁は、摩耗性シールが配置される有機マトリックス組成物壁、および、前記有機マトリックス組成物壁と前記摩耗性シールとの間にあり、金属帯板で形成された接合部分である請求項8に記載の圧縮機。
- 摩耗性シールの径方向の厚みは動翼の平均的な厚みより大きい、または、等しい、請求項8に記載の圧縮機。
- ジェットエンジン用の摩耗性シール用組成物の製造方法であり、シールは、弧状壁と前記弧状壁に塗布された摩耗性組成物とを備え、
前記方法は、
弧状壁を提供または製造する工程と、
溶射により、摩耗性シール組成物を弧状壁に塗布する工程であって、前記摩耗性シール組成物は、アルミニウムを主成分とする金属相と、無機材料および/または有機材料を含む第2相とを含み、前記金属相はさらにクロムおよびニッケルを含み、ニッケルより多くのクロムを含む、工程とを備え、
前記弧状壁への固定の強化をもたらす、方法。 - 塗布する工程中に、プラズマ溶射によって組成物を塗布する請求項11に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BEBE2017/5556 | 2017-08-14 | ||
BE2017/5556A BE1025469B1 (fr) | 2017-08-14 | 2017-08-14 | Composition de joint abradable pour compresseur de turbomachine |
Publications (2)
Publication Number | Publication Date |
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JP2019052637A JP2019052637A (ja) | 2019-04-04 |
JP7349778B2 true JP7349778B2 (ja) | 2023-09-25 |
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JP2018145687A Active JP7349778B2 (ja) | 2017-08-14 | 2018-08-02 | ターボ機械圧縮機用摩耗性シール組成物 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20190048454A1 (ja) |
EP (1) | EP3444443B1 (ja) |
JP (1) | JP7349778B2 (ja) |
CN (1) | CN109386315B (ja) |
BE (1) | BE1025469B1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1027280B1 (fr) * | 2019-05-16 | 2020-12-15 | Safran Aero Boosters Sa | Carter de compresseur pour turbomachine |
CN111155120A (zh) * | 2019-12-31 | 2020-05-15 | 中山市皓祥模具五金有限公司 | 一种耐腐蚀合金件的表面处理方法 |
FR3107524B1 (fr) * | 2020-02-25 | 2022-12-16 | Safran Aircraft Engines | Revêtement abradable |
US11674210B2 (en) | 2020-08-31 | 2023-06-13 | Metal Improvement Company, Llc | Method for making high lubricity abradable material and abradable coating |
CN112210743A (zh) * | 2020-09-30 | 2021-01-12 | 美图(福建)铝业有限公司 | 一种铝合金型材及其制造方法 |
US20220307388A1 (en) * | 2021-03-24 | 2022-09-29 | General Electric Company | Hybrid composite components |
BE1031024B9 (fr) | 2022-11-09 | 2024-07-08 | Safran Aero Boosters | Composition pour joint abradable de turbomachine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000290765A (ja) | 1999-03-16 | 2000-10-17 | Praxair St Technol Inc | 研磨性準結晶コーティング |
JP2004197225A (ja) | 2002-12-13 | 2004-07-15 | Snecma Moteurs | 摩耗性シール用粉末材料 |
JP2016098810A (ja) | 2014-11-24 | 2016-05-30 | テックスペース エアロ ソシエテ アノニム | 軸流ターボ機械コンプレッサケーシングのアブレイダブル組成物及びシール |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5196471A (en) * | 1990-11-19 | 1993-03-23 | Sulzer Plasma Technik, Inc. | Thermal spray powders for abradable coatings, abradable coatings containing solid lubricants and methods of fabricating abradable coatings |
US6102656A (en) * | 1995-09-26 | 2000-08-15 | United Technologies Corporation | Segmented abradable ceramic coating |
US6089825A (en) * | 1998-12-18 | 2000-07-18 | United Technologies Corporation | Abradable seal having improved properties and method of producing seal |
US6533285B2 (en) * | 2001-02-05 | 2003-03-18 | Caterpillar Inc | Abradable coating and method of production |
US7165946B2 (en) * | 2004-06-21 | 2007-01-23 | Solar Turbine Incorporated | Low-mid turbine temperature abradable coating |
GB2452515B (en) * | 2007-09-06 | 2009-08-05 | Siemens Ag | Seal coating between rotor blade and rotor disk slot in gas turbine engine |
US20130177437A1 (en) * | 2012-01-05 | 2013-07-11 | General Electric Company | Processes for coating a turbine rotor and articles thereof |
EP2623730A1 (de) * | 2012-02-02 | 2013-08-07 | Siemens Aktiengesellschaft | Strömungsmaschinenkomponente mit Teilfuge und Dampfturbine mit der Strömungsmaschinenkomponente |
CN104087789B (zh) * | 2014-07-28 | 2016-09-28 | 苏州大学 | 用于钛合金表面的自润滑耐磨复合涂层及其制备方法 |
CN107740094B (zh) * | 2017-09-18 | 2019-12-06 | 苏州大学 | 一种用于机闸上的高温封严涂层及其制备方法 |
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2017
- 2017-08-14 BE BE2017/5556A patent/BE1025469B1/fr active IP Right Grant
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2018
- 2018-07-27 EP EP18186069.3A patent/EP3444443B1/fr active Active
- 2018-08-02 JP JP2018145687A patent/JP7349778B2/ja active Active
- 2018-08-13 CN CN201810914204.4A patent/CN109386315B/zh active Active
- 2018-08-13 US US16/102,106 patent/US20190048454A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000290765A (ja) | 1999-03-16 | 2000-10-17 | Praxair St Technol Inc | 研磨性準結晶コーティング |
JP2004197225A (ja) | 2002-12-13 | 2004-07-15 | Snecma Moteurs | 摩耗性シール用粉末材料 |
JP2016098810A (ja) | 2014-11-24 | 2016-05-30 | テックスペース エアロ ソシエテ アノニム | 軸流ターボ機械コンプレッサケーシングのアブレイダブル組成物及びシール |
Also Published As
Publication number | Publication date |
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CN109386315B (zh) | 2022-08-09 |
JP2019052637A (ja) | 2019-04-04 |
BE1025469B1 (fr) | 2019-03-18 |
BE1025469A1 (fr) | 2019-03-11 |
EP3444443A1 (fr) | 2019-02-20 |
US20190048454A1 (en) | 2019-02-14 |
EP3444443B1 (fr) | 2020-07-01 |
CN109386315A (zh) | 2019-02-26 |
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