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FR3146677B1 - Fabrication de pièces en matériau composite par infiltration chimique modulée puis densification d’une préforme fibreuse consolidée - Google Patents

Fabrication de pièces en matériau composite par infiltration chimique modulée puis densification d’une préforme fibreuse consolidée Download PDF

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Publication number
FR3146677B1
FR3146677B1 FR2302452A FR2302452A FR3146677B1 FR 3146677 B1 FR3146677 B1 FR 3146677B1 FR 2302452 A FR2302452 A FR 2302452A FR 2302452 A FR2302452 A FR 2302452A FR 3146677 B1 FR3146677 B1 FR 3146677B1
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matrix
parts
fiber preform
densification
geometry
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FR3146677A1 (fr
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Lionel Vandenbulcke
Mathieu Vandenbulcke
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Priority to PCT/FR2024/000025 priority patent/WO2024189276A1/fr
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    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
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    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5252—Fibers having a specific pre-form
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5252—Fibers having a specific pre-form
    • C04B2235/5256—Two-dimensional, e.g. woven structures
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/614—Gas infiltration of green bodies or pre-forms
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/616—Liquid infiltration of green bodies or pre-forms

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)

Abstract

Procédé de fabrication de pièces de forme en matériau composite à matrice céramique (CMC) pour applications aéronautiques notamment, comprenant d’une part une préforme fibreuse de géométrie se rapprochant de la pièce de forme ou identique à celle-ci et d’autre part une matrice, le renfort fibreux et la matrice étant séparés par une couche mince servant d’interphase entre fibres et matrice, procédé de fabrication qui comprend : - une étape initiale d’infiltration chimique à partir de la phase gazeuse de la préforme fibreuse, contrôlée dans une double enceinte spécifique où règnent principalement des conditions de diffusion des réactifs vers la préforme fibreuse, conditions de diffusion modulées notamment par l’enceinte interne en fonction de la géométrie de la préforme ; - puis après consolidation de la préforme fibreuse par l’interphase et une couche de matrice durant cette première étape, au moins une deuxième étape qui consiste en une densification complète par la matrice en dehors de cette enceinte ; - cette deuxième étape étant, ou n’étant pas, précédée ou suivie par une troisième étape de rectification ou d’usinage. Suivant la technique de densification utilisée et en fonction de la géométrie des pièces et/ou leur utilisation, ce procédé permet de fabriquer des pièces finies, des pièces à rectifier ou à usiner plus profondément. Dans ce dernier cas, un revêtement protecteur des fibres mises à jour est alors réalisé sur les pièces retouchées.
FR2302452A 2023-03-16 2023-03-16 Fabrication de pièces en matériau composite par infiltration chimique modulée puis densification d’une préforme fibreuse consolidée Active FR3146677B1 (fr)

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FR2302452A FR3146677B1 (fr) 2023-03-16 2023-03-16 Fabrication de pièces en matériau composite par infiltration chimique modulée puis densification d’une préforme fibreuse consolidée
PCT/FR2024/000025 WO2024189276A1 (fr) 2023-03-16 2024-03-01 Fabrication de pièces en matériau composite par infiltration chimique modulée puis densification dune préforme fibreuse consolidée

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FR2302452 2023-03-16
FR2302452A FR3146677B1 (fr) 2023-03-16 2023-03-16 Fabrication de pièces en matériau composite par infiltration chimique modulée puis densification d’une préforme fibreuse consolidée

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Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2401888A1 (fr) 1977-09-06 1979-03-30 Europ Propulsion Piece poreuse carbonee densifiee in situ par depot chimique en phase vapeur de materiaux refractaires autres que le carbone et procede de fabrication
FR2668477B1 (fr) 1990-10-26 1993-10-22 Propulsion Ste Europeenne Materiau composite refractaire protege contre la corrosion, et procede pour son elaboration.
FR2668480B1 (fr) 1990-10-26 1993-10-08 Propulsion Ste Europeenne Procede pour la protection anti-oxydation d'un materiau composite contenant du carbone, et materiau ainsi protege.
FR2670507B1 (fr) * 1990-12-18 1993-12-31 Propulsion Ste Europeenne Procede d'infiltration chimique en phase vapeur.
FR2756277B1 (fr) 1996-11-28 1999-04-02 Europ Propulsion Materiau composite a matrice ceramique et renfort en fibres sic et procede pour sa fabrication
US6759151B1 (en) 2002-05-22 2004-07-06 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Multilayer article characterized by low coefficient of thermal expansion outer layer
ATE398193T1 (de) * 2002-10-24 2008-07-15 Goodrich Corp Verfahren und vorrichtung zur stückweisen und zur kontinuierlichen verdichtung durch chemische dampfphaseninfitration (cvi)
JP4681841B2 (ja) 2004-06-18 2011-05-11 京セラ株式会社 耐食性窒化珪素セラミックス
DE102012100176B4 (de) * 2012-01-10 2016-11-17 Cvt Gmbh & Co. Kg Verfahren zur chemischen Gasphaseninfiltration von wenigstens einem refraktären Stoff
FR3059679B1 (fr) * 2016-12-07 2021-03-12 Safran Ceram Outillage de conformation et installation pour l'infiltration chimique en phase gazeuse de preformes fibreuses
FR3106829B1 (fr) * 2020-02-05 2023-09-29 Vandenbulcke Lionel Gerard Procédé de fabrication de composites à matrice céramique comprenant une interphase spécifique

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FR3146677A1 (fr) 2024-09-20

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