FR3096299B1 - Procédé de fabrication d’une pièce en matériau composite par injection d’une barbotine chargée dans une texture fibreuse - Google Patents

Procédé de fabrication d’une pièce en matériau composite par injection d’une barbotine chargée dans une texture fibreuse Download PDF

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Publication number
FR3096299B1
FR3096299B1 FR1905422A FR1905422A FR3096299B1 FR 3096299 B1 FR3096299 B1 FR 3096299B1 FR 1905422 A FR1905422 A FR 1905422A FR 1905422 A FR1905422 A FR 1905422A FR 3096299 B1 FR3096299 B1 FR 3096299B1
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France
Prior art keywords
fibrous texture
slip
refractory ceramic
composite material
manufacturing
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FR1905422A
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FR3096299A1 (fr
Inventor
Ludovic Philippe Liais
Nicolas Droz
Michaël Podgorski
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Safran SA
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Safran SA
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Priority to FR1905422A priority Critical patent/FR3096299B1/fr
Priority to PCT/FR2020/050857 priority patent/WO2020234550A1/fr
Publication of FR3096299A1 publication Critical patent/FR3096299A1/fr
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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
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/008—Producing shaped prefabricated articles from the material made from two or more materials having different characteristics or properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/26—Producing shaped prefabricated articles from the material by slip-casting, i.e. by casting a suspension or dispersion of the material in a liquid-absorbent or porous mould, the liquid being allowed to soak into or pass through the walls of the mould; Moulds therefor ; specially for manufacturing articles starting from a ceramic slip; Moulds therefor
    • B28B1/265—Producing shaped prefabricated articles from the material by slip-casting, i.e. by casting a suspension or dispersion of the material in a liquid-absorbent or porous mould, the liquid being allowed to soak into or pass through the walls of the mould; Moulds therefor ; specially for manufacturing articles starting from a ceramic slip; Moulds therefor pressure being applied on the slip in the filled mould or on the moulded article in the mould, e.g. pneumatically, by compressing slip in a closed mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/0063—Control arrangements
    • B28B17/0081—Process control
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/0006—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects the reinforcement consisting of aligned, non-metal reinforcing elements
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Abstract

Procédé de fabrication d’une pièce en matériau composite par injection d’une barbotine chargée dans une texture fibreuse Un procédé de fabrication d’une pièce en matériau composite comprend les étapes suivantes :- formation d’une texture fibreuse à partir de fibres céramiques réfractaires,- placement de la texture fibreuse dans une cavité de moulage (113) présente dans un outillage d’injection (110),- injection d’une barbotine (B1) contenant une poudre de particules céramiques réfractaires (1500) dans la texture fibreuse présente dans la cavité de moulage,- drainage du liquide (1501) de la barbotine (150) ayant traversé la texture fibreuse et rétention de la poudre de particules céramiques réfractaires à l'intérieur de ladite texture de manière à obtenir une préforme fibreuse (15) chargée de particules céramiques réfractaires (1500),- séchage de la préforme fibreuse (15),- démoulage de la préforme fibreuse (15), et- frittage des particules céramiques réfractaires présentes dans la préforme fibreuse afin de former une matrice réfractaire dans ladite préforme.Lors de l’injection de la barbotine dans la texture fibreuse, le débit de barbotine (B1) injectée dans la cavité de moulage (113) est contrôlé de manière à être maintenu à au moins une valeur constante déterminée de débit pour un tissage donné. Figure pour l’abrégé : Fig. 3.
FR1905422A 2019-05-23 2019-05-23 Procédé de fabrication d’une pièce en matériau composite par injection d’une barbotine chargée dans une texture fibreuse Active FR3096299B1 (fr)

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FR1905422A FR3096299B1 (fr) 2019-05-23 2019-05-23 Procédé de fabrication d’une pièce en matériau composite par injection d’une barbotine chargée dans une texture fibreuse
PCT/FR2020/050857 WO2020234550A1 (fr) 2019-05-23 2020-05-22 Procede de fabrication d'une piece en materiau composite par injection d'une barbotine chargee dans une texture fibreuse

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FR1905422A FR3096299B1 (fr) 2019-05-23 2019-05-23 Procédé de fabrication d’une pièce en matériau composite par injection d’une barbotine chargée dans une texture fibreuse
FR1905422 2019-05-23

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FR3130184B1 (fr) * 2021-12-09 2024-07-05 Safran Ceram Procédé de déliantage d’une préforme fibreuse

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FR3030505B1 (fr) * 2014-12-23 2019-07-12 Safran Procede de fabrication d'une preforme fibreuse chargee de particules ceramiques refractaires
FR3041890B1 (fr) * 2015-10-05 2017-11-24 Snecma Procede de fabrication d'une piece en materiau composite par injection d'une barbotine chargee dans un moule poreux
FR3071257B1 (fr) * 2017-09-19 2021-08-20 Safran Ceram Procede d'injection d'une suspension chargee dans une texture fibreuse et procede de fabrication d'une piece en materiau composite
FR3071245B1 (fr) * 2017-09-21 2019-09-20 Safran Ceramics Procede d'injection d'une barbotine chargee dans une texture fibreuse

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