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FR3082765B1 - Procede de fabrication d'une couche abradable - Google Patents

Procede de fabrication d'une couche abradable Download PDF

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Publication number
FR3082765B1
FR3082765B1 FR1855682A FR1855682A FR3082765B1 FR 3082765 B1 FR3082765 B1 FR 3082765B1 FR 1855682 A FR1855682 A FR 1855682A FR 1855682 A FR1855682 A FR 1855682A FR 3082765 B1 FR3082765 B1 FR 3082765B1
Authority
FR
France
Prior art keywords
abradable layer
manufacturing
pulverulent composition
micrometric
equal
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.)
Active
Application number
FR1855682A
Other languages
English (en)
Other versions
FR3082765A1 (fr
Inventor
Serge Georges Vladimir Selezneff
Biez Philippe Charles Alain Le
Arnaud Louis Gabriel Fregeac
Florence Ansart
Claude Gilbert Jean-Pierre Estournes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aircraft Engines SAS
Centre National de la Recherche Scientifique CNRS
Universite de Toulouse
Original Assignee
Safran Aircraft Engines SAS
Centre National de la Recherche Scientifique CNRS
Universite Toulouse III Paul Sabatier
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Safran Aircraft Engines SAS, Centre National de la Recherche Scientifique CNRS, Universite Toulouse III Paul Sabatier filed Critical Safran Aircraft Engines SAS
Priority to FR1855682A priority Critical patent/FR3082765B1/fr
Priority to EP19745695.7A priority patent/EP3810829A1/fr
Priority to US17/255,232 priority patent/US12129553B2/en
Priority to PCT/FR2019/051510 priority patent/WO2020002799A1/fr
Priority to CN201980040927.9A priority patent/CN112334601A/zh
Publication of FR3082765A1 publication Critical patent/FR3082765A1/fr
Application granted granted Critical
Publication of FR3082765B1 publication Critical patent/FR3082765B1/fr
Priority to US18/894,743 priority patent/US12404588B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
    • 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
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/082—Coating starting from inorganic powder by application of heat or pressure and heat without intermediate formation of a liquid in the layer
    • C23C24/085—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
    • 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
    • B22F7/02—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 layers
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/0018—Coating or impregnating "in situ", e.g. impregnating of artificial stone by subsequent melting of a compound added to the artificial stone composition
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/0072—Heat treatment
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/4505—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application
    • C04B41/4545—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application applied as a powdery material
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/4505—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application
    • C04B41/4545—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application applied as a powdery material
    • C04B41/4547—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application applied as a powdery material characterised by the grain distribution
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/4596—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with fibrous materials or whiskers
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • C04B41/87—Ceramics
    • 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
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
    • 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
    • B22F7/002—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 porous nature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00982—Uses not provided for elsewhere in C04B2111/00 as construction elements for space vehicles or aeroplanes
    • 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
    • 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
    • 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
    • F05D2300/15—Rare earth metals, i.e. Sc, Y, lanthanides
    • 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
    • F05D2300/21—Oxide ceramics
    • F05D2300/211—Silica
    • 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
    • F05D2300/21—Oxide ceramics
    • F05D2300/2118—Zirconium oxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Glanulating (AREA)

Abstract

L'invention concerne un procédé de fabrication d'une couche abradable (12), comprenant les étapes suivantes : - compression d'une composition pulvérulente (30) comprenant au moins des particules céramiques micrométriques ayant un facteur de forme moyen en nombre supérieur ou égal à 3, la teneur massique desdites particules céramiques micrométriques dans la composition pulvérulente étant supérieure ou égale à 85%, et - frittage de la composition pulvérulente ainsi comprimée pour obtenir la couche abradable.
FR1855682A 2018-06-25 2018-06-25 Procede de fabrication d'une couche abradable Active FR3082765B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR1855682A FR3082765B1 (fr) 2018-06-25 2018-06-25 Procede de fabrication d'une couche abradable
EP19745695.7A EP3810829A1 (fr) 2018-06-25 2019-06-20 Procede de fabrication d'une couche abradable
US17/255,232 US12129553B2 (en) 2018-06-25 2019-06-20 Method for manufacturing an abradable layer
PCT/FR2019/051510 WO2020002799A1 (fr) 2018-06-25 2019-06-20 Procede de fabrication d'une couche abradable
CN201980040927.9A CN112334601A (zh) 2018-06-25 2019-06-20 用于制造可磨层的方法
US18/894,743 US12404588B2 (en) 2018-06-25 2024-09-24 Method for manufacturing an abradable layer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1855682 2018-06-25
FR1855682A FR3082765B1 (fr) 2018-06-25 2018-06-25 Procede de fabrication d'une couche abradable

Publications (2)

Publication Number Publication Date
FR3082765A1 FR3082765A1 (fr) 2019-12-27
FR3082765B1 true FR3082765B1 (fr) 2021-04-30

Family

ID=65031287

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1855682A Active FR3082765B1 (fr) 2018-06-25 2018-06-25 Procede de fabrication d'une couche abradable

Country Status (5)

Country Link
US (2) US12129553B2 (fr)
EP (1) EP3810829A1 (fr)
CN (1) CN112334601A (fr)
FR (1) FR3082765B1 (fr)
WO (1) WO2020002799A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3123236B1 (fr) * 2021-05-25 2023-10-27 Safran Aircraft Engines Procédé de fabrication d’une couche abradable.
DE102021211656A1 (de) * 2021-10-15 2023-04-20 Siemens Energy Global GmbH & Co. KG Dichtungsbereich zwischen rotierenden und stehenden Komponenten, Verfahren zur Herstellung und Maschine
FR3139488B1 (fr) 2022-09-13 2025-06-20 Safran Aircraft Engines Procédé de fabrication d’un revêtement abradable, revêtement abradable et pièce revêtue
FR3159189A1 (fr) 2024-02-12 2025-08-15 Centre National De La Recherche Scientifique Piece abradable pour une turbomachine d’aeronef

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
US4851188A (en) * 1987-12-21 1989-07-25 United Technologies Corporation Method for making a turbine blade having a wear resistant layer sintered to the blade tip surface
US6641907B1 (en) * 1999-12-20 2003-11-04 Siemens Westinghouse Power Corporation High temperature erosion resistant coating and material containing compacted hollow geometric shapes
US6916529B2 (en) 2003-01-09 2005-07-12 General Electric Company High temperature, oxidation-resistant abradable coatings containing microballoons and method for applying same
CA2585992C (fr) 2006-06-08 2014-06-17 Sulzer Metco (Us) Inc. Materiaux possedant une aptitude a l'abrasion, contenant de la zircone stabilisee a l'oxyde de dysprosium (dysprosie)
US9725797B2 (en) 2008-04-30 2017-08-08 United Technologies Corporation Process for forming an improved durability thick ceramic coating
CN102272419A (zh) 2009-03-09 2011-12-07 斯奈克玛 涡轮环组件
FR2972449B1 (fr) * 2011-03-07 2013-03-29 Snecma Procede de realisation d'une barriere thermique dans un systeme multicouche de protection de piece metallique et piece munie d'un tel systeme de protection
US9186866B2 (en) * 2012-01-10 2015-11-17 Siemens Aktiengesellschaft Powder-based material system with stable porosity
FR2994397B1 (fr) 2012-08-07 2014-08-01 Snecma Revetement en materiau abradable a faible rugosite de surface
FR2996474B1 (fr) * 2012-10-05 2014-12-12 Snecma Procede pour l'integration de materiau abradable dans un logement par compression isostatique
FR2996477B1 (fr) * 2012-10-05 2015-02-13 Snecma Procede de fabrication d'une piece couverte d'un revetement abradable
US9102015B2 (en) * 2013-03-14 2015-08-11 Siemens Energy, Inc Method and apparatus for fabrication and repair of thermal barriers
FR3044946B1 (fr) * 2015-12-14 2018-01-12 Safran Aircraft Engines Revetement abradable a densite variable
FR3044945B1 (fr) 2015-12-14 2018-01-12 Centre National De La Recherche Scientifique Revetement abradable a densite variable
FR3048640B1 (fr) 2016-03-11 2018-04-06 Alstom Transport Technologies Coffre de traction d'un vehicule ferroviaire avec systeme de refroidissement, procede de mise en oeuvre et vehicule ferroviaire associes
FR3048630B1 (fr) * 2016-03-14 2020-02-21 Centre National De La Recherche Scientifique Procede de fabrication d'une plaque abradable et de reparation d'un anneau de turbine
FR3048629B1 (fr) * 2016-03-14 2018-04-06 Centre National De La Recherche Scientifique Procede de fabrication d'un anneau de turbine pour turbomachine
FR3060556B1 (fr) * 2016-12-20 2022-03-04 Norimat Procede de fabrication d’un materiau ceramique de couleur rouge

Also Published As

Publication number Publication date
US12129553B2 (en) 2024-10-29
CN112334601A (zh) 2021-02-05
US12404588B2 (en) 2025-09-02
US20210317584A1 (en) 2021-10-14
US20250011937A1 (en) 2025-01-09
EP3810829A1 (fr) 2021-04-28
FR3082765A1 (fr) 2019-12-27
WO2020002799A1 (fr) 2020-01-02

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