FR2695121B1 - Procédé de fabrication un élément de matrice creux, élément de graphite pour la mise en Óoeuvre du procédé et élément de matrice obtenu. - Google Patents
Procédé de fabrication un élément de matrice creux, élément de graphite pour la mise en Óoeuvre du procédé et élément de matrice obtenu.Info
- Publication number
- FR2695121B1 FR2695121B1 FR9309597A FR9309597A FR2695121B1 FR 2695121 B1 FR2695121 B1 FR 2695121B1 FR 9309597 A FR9309597 A FR 9309597A FR 9309597 A FR9309597 A FR 9309597A FR 2695121 B1 FR2695121 B1 FR 2695121B1
- Authority
- FR
- France
- Prior art keywords
- matrix element
- implementing
- manufacturing
- graphite
- hollow matrix
- 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.)
- Expired - Lifetime
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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/32—Carbides
- C23C16/325—Silicon carbide
-
- 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
- C04B35/56—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
- C04B35/571—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 obtained from Si-containing polymer precursors or organosilicon monomers
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/628—Coating the powders or the macroscopic reinforcing agents
- C04B35/62844—Coating fibres
- C04B35/62857—Coating fibres with non-oxide ceramics
- C04B35/62873—Carbon
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/628—Coating the powders or the macroscopic reinforcing agents
- C04B35/62884—Coating the powders or the macroscopic reinforcing agents by gas phase techniques
-
- 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
- C04B35/71—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
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/0003—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof containing continuous channels, e.g. of the "dead-end" type or obtained by pushing bars in the green ceramic product
-
- 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
- C04B41/50—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 inorganic materials
- C04B41/5022—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 inorganic materials with vitreous materials
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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
- 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
- C04B41/86—Glazes; Cold glazes
-
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/01—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes on temporary substrates, e.g. substrates subsequently removed by etching
-
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/04—Coating on selected surface areas, e.g. using masks
- C23C16/045—Coating cavities or hollow spaces, e.g. interior of tubes; Infiltration of porous substrates
-
- 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
- C04B2235/5216—Inorganic
- C04B2235/524—Non-oxidic, e.g. borides, carbides, silicides or nitrides
- C04B2235/5244—Silicon carbide
-
- 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
- C04B2235/602—Making the green bodies or pre-forms by moulding
- C04B2235/6028—Shaping around a core which is removed later
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S427/00—Coating processes
- Y10S427/10—Chemical vapor infiltration, i.e. CVI
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Ceramic Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9218578A GB2270310B (en) | 1992-09-02 | 1992-09-02 | A method of manufacturing a hollow silicon carbide fibre reinforced silicon carbide matrix component |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2695121A1 FR2695121A1 (fr) | 1994-03-04 |
FR2695121B1 true FR2695121B1 (fr) | 1994-10-21 |
Family
ID=10721284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9309597A Expired - Lifetime FR2695121B1 (fr) | 1992-09-02 | 1993-08-04 | Procédé de fabrication un élément de matrice creux, élément de graphite pour la mise en Óoeuvre du procédé et élément de matrice obtenu. |
Country Status (3)
Country | Link |
---|---|
US (1) | US5382453A (fr) |
FR (1) | FR2695121B1 (fr) |
GB (1) | GB2270310B (fr) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2714076B1 (fr) * | 1993-12-16 | 1996-03-15 | Europ Propulsion | Procédé de densification de substrats poreux par infiltration chimique en phase vapeur de carbure de silicium. |
US5618594A (en) * | 1995-04-13 | 1997-04-08 | Cvd, Incorporated | Composite thermocouple protection tubes |
US5687787A (en) * | 1995-08-16 | 1997-11-18 | Northrop Grumman Corporation | Fiber reinforced ceramic matrix composite internal combustion engine exhaust manifold |
US5773143A (en) * | 1996-04-30 | 1998-06-30 | Owens-Corning Fiberglas Technology Inc. | Activated carbon coated ceramic fibers |
US6261422B1 (en) * | 2000-01-04 | 2001-07-17 | Ionica, Llc | Production of hollowed/channeled protective thermal-barrier coatings functioning as heat-exchangers |
DE10101546B4 (de) * | 2001-01-15 | 2005-04-28 | Man Technologie Gmbh | Verfahren zur Herstellung einer hochtemperaturfesten Faserverbundkeramik und so hergestellte Bauteile |
US6709230B2 (en) * | 2002-05-31 | 2004-03-23 | Siemens Westinghouse Power Corporation | Ceramic matrix composite gas turbine vane |
US6648597B1 (en) | 2002-05-31 | 2003-11-18 | Siemens Westinghouse Power Corporation | Ceramic matrix composite turbine vane |
US7093359B2 (en) | 2002-09-17 | 2006-08-22 | Siemens Westinghouse Power Corporation | Composite structure formed by CMC-on-insulation process |
US9068464B2 (en) * | 2002-09-17 | 2015-06-30 | Siemens Energy, Inc. | Method of joining ceramic parts and articles so formed |
US7311790B2 (en) * | 2003-04-25 | 2007-12-25 | Siemens Power Generation, Inc. | Hybrid structure using ceramic tiles and method of manufacture |
US7351364B2 (en) * | 2004-01-29 | 2008-04-01 | Siemens Power Generation, Inc. | Method of manufacturing a hybrid structure |
US20050186878A1 (en) * | 2004-02-23 | 2005-08-25 | General Electric Company | Thermo-mechanical property enhancement plies for CVI/SiC ceramic matrix composite laminates |
US7066717B2 (en) * | 2004-04-22 | 2006-06-27 | Siemens Power Generation, Inc. | Ceramic matrix composite airfoil trailing edge arrangement |
GB0424481D0 (en) * | 2004-11-05 | 2004-12-08 | Rolls Royce Plc | Composite aerofoil |
US7435058B2 (en) * | 2005-01-18 | 2008-10-14 | Siemens Power Generation, Inc. | Ceramic matrix composite vane with chordwise stiffener |
US8137611B2 (en) * | 2005-03-17 | 2012-03-20 | Siemens Energy, Inc. | Processing method for solid core ceramic matrix composite airfoil |
US7600978B2 (en) * | 2006-07-27 | 2009-10-13 | Siemens Energy, Inc. | Hollow CMC airfoil with internal stitch |
JP2008260661A (ja) * | 2007-04-13 | 2008-10-30 | Shin Etsu Chem Co Ltd | 炭化珪素−炭化珪素繊維複合体及びその製造方法 |
US20080265005A1 (en) * | 2007-04-30 | 2008-10-30 | United Technologies Corporation | Brazing process incorporating graphitic preforms |
US8236409B2 (en) * | 2009-04-29 | 2012-08-07 | Siemens Energy, Inc. | Gussets for strengthening CMC fillet radii |
US8256088B2 (en) * | 2009-08-24 | 2012-09-04 | Siemens Energy, Inc. | Joining mechanism with stem tension and interlocked compression ring |
US8616801B2 (en) | 2010-04-29 | 2013-12-31 | Siemens Energy, Inc. | Gusset with fibers oriented to strengthen a CMC wall intersection anisotropically |
FR2972448B1 (fr) * | 2011-03-07 | 2013-04-19 | Commissariat Energie Atomique | Procede de fabrication d'un composite a matrice ceramique |
US8740571B2 (en) * | 2011-03-07 | 2014-06-03 | General Electric Company | Turbine bucket for use in gas turbine engines and methods for fabricating the same |
US9249669B2 (en) * | 2012-04-05 | 2016-02-02 | General Electric Company | CMC blade with pressurized internal cavity for erosion control |
CA2896543A1 (fr) * | 2013-02-23 | 2014-09-25 | Rolls-Royce Corporation | Composant de turbine a gaz |
WO2014186011A2 (fr) * | 2013-03-01 | 2014-11-20 | United Technologies Corporation | Bord de fuite pour surface portante composite de moteur de turbine à gaz |
WO2015047511A2 (fr) | 2013-07-15 | 2015-04-02 | United Technologies Corporation | Surface portante composite |
US10294807B2 (en) | 2016-05-19 | 2019-05-21 | Honeywell International Inc. | Inter-turbine ducts |
US11359507B2 (en) * | 2019-09-26 | 2022-06-14 | Raytheon Technologies Corporation | Double box composite seal assembly with fiber density arrangement for gas turbine engine |
FR3116466B1 (fr) * | 2020-11-25 | 2022-11-25 | Safran Ceram | Préforme fibreuse d'un profil aérodynamique d'aube de turbomachine |
CN115093231B (zh) * | 2022-06-23 | 2023-09-01 | 西安鑫垚陶瓷复合材料有限公司 | 一种具有尾缘劈缝的陶瓷基复合材料导向叶片及其制备方法 |
CN115433923B (zh) * | 2022-07-25 | 2023-09-01 | 西安鑫垚陶瓷复合材料股份有限公司 | 一种类凹型陶瓷基复合材料连接部件成型模具及使用方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3961003A (en) * | 1972-05-17 | 1976-06-01 | Dow Corning Corporation | Method and apparatus for making elongated Si and SiC structures |
JPS52129627A (en) * | 1976-04-24 | 1977-10-31 | Tohoku Daigaku Kinzoku Zairyo | Production method for hollow sphere of silicone carbide fiber compound metal |
JPS60147503A (ja) * | 1984-01-13 | 1985-08-03 | Mitsui Eng & Shipbuild Co Ltd | 中空ブレ−ドの製造方法 |
EP0228166B1 (fr) * | 1985-12-24 | 1990-08-16 | Ford Motor Company Limited | Procédé de production d'étampes à façonnage en graphite |
US5154862A (en) * | 1986-03-07 | 1992-10-13 | Thermo Electron Corporation | Method of forming composite articles from CVD gas streams and solid particles of fibers |
US5018271A (en) * | 1988-09-09 | 1991-05-28 | Airfoil Textron Inc. | Method of making a composite blade with divergent root |
US4980202A (en) * | 1989-07-03 | 1990-12-25 | United Technologies Corporation | CVD SiC matrix composites containing carbon coated fibers |
FR2663258B1 (fr) * | 1990-06-13 | 1992-09-25 | Aerospatiale | Mandrin pour la fabrication de corps creux en materiau composite et fabrication de tels corps creux a l'aide dudit mandrin. |
-
1992
- 1992-09-02 GB GB9218578A patent/GB2270310B/en not_active Expired - Lifetime
-
1993
- 1993-08-04 FR FR9309597A patent/FR2695121B1/fr not_active Expired - Lifetime
- 1993-08-31 US US08/114,340 patent/US5382453A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5382453A (en) | 1995-01-17 |
GB9218578D0 (en) | 1992-10-14 |
FR2695121A1 (fr) | 1994-03-04 |
GB2270310A (en) | 1994-03-09 |
GB2270310B (en) | 1995-11-08 |
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