EP3609857A1 - Fibre composite component and production method - Google Patents
Fibre composite component and production methodInfo
- Publication number
- EP3609857A1 EP3609857A1 EP18717857.9A EP18717857A EP3609857A1 EP 3609857 A1 EP3609857 A1 EP 3609857A1 EP 18717857 A EP18717857 A EP 18717857A EP 3609857 A1 EP3609857 A1 EP 3609857A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fiber
- green body
- composite component
- fiber composite
- matrix material
- 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.)
- Withdrawn
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 131
- 239000002131 composite material Substances 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000011159 matrix material Substances 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000011282 treatment Methods 0.000 claims abstract description 14
- 239000000654 additive Substances 0.000 claims abstract description 12
- 230000000996 additive effect Effects 0.000 claims abstract description 10
- 239000002002 slurry Substances 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 30
- 239000002245 particle Substances 0.000 claims description 16
- 238000001125 extrusion Methods 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 claims description 12
- 239000011230 binding agent Substances 0.000 claims description 9
- 239000002612 dispersion medium Substances 0.000 claims description 8
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 4
- JNDMLEXHDPKVFC-UHFFFAOYSA-N aluminum;oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Al+3].[Y+3] JNDMLEXHDPKVFC-UHFFFAOYSA-N 0.000 claims description 4
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000012784 inorganic fiber Substances 0.000 claims description 4
- 229910052863 mullite Inorganic materials 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 4
- 230000006641 stabilisation Effects 0.000 claims description 4
- 238000011105 stabilization Methods 0.000 claims description 4
- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 claims description 4
- 239000013530 defoamer Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000009974 thixotropic effect Effects 0.000 claims description 3
- 238000013007 heat curing Methods 0.000 claims description 2
- 238000007666 vacuum forming Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims 2
- 229910001928 zirconium oxide Inorganic materials 0.000 claims 2
- 239000000969 carrier Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005255 carburizing Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013499 data model Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052574 oxide ceramic Inorganic materials 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/111—Fine ceramics
- C04B35/117—Composites
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- 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
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
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- C04B35/80—Fibres, filaments, whiskers, platelets, or the like
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- 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
- C04B2235/5264—Fibers characterised by the diameter of the fibers
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- 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
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
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- 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
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
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- 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
- C04B2235/54—Particle size related information
- C04B2235/5463—Particle size distributions
- C04B2235/5472—Bimodal, multi-modal or multi-fraction
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- 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
- C04B2235/6021—Extrusion moulding
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- 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
- C04B2235/6026—Computer aided shaping, e.g. rapid prototyping
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- 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
- C04B2235/6027—Slip casting
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- C—CHEMISTRY; METALLURGY
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/76—Crystal structural characteristics, e.g. symmetry
- C04B2235/762—Cubic symmetry, e.g. beta-SiC
- C04B2235/764—Garnet structure A3B2(CO4)3
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- C—CHEMISTRY; METALLURGY
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- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
- C04B2235/9623—Ceramic setters properties
Definitions
- the invention relates to a fiber composite component and a method for producing a fiber composite component for high temperature applications, in particular a workpiece carrier for providing and handling workpieces in high-temperature furnaces for high temperature treatment or the like, wherein a dimensionally stable green body of the fiber composite component is formed from a fiber-reinforced matrix material, wherein the fiber composite component by means of a heat treatment of the green body is formed.
- Fiber composite components or workpiece carriers are well known and are regularly used for receiving and transporting workpieces in the context of high temperature treatments.
- a high-temperature treatment is here understood to mean a workpiece treatment in a high-temperature furnace at a temperature of more than 1 000 ° C.
- a workpiece treatment in a high-temperature furnace at a temperature of more than 1 000 ° C.
- existing workpieces are annealed as part of the high-temperature treatment, in order to achieve an improvement in the properties of the relevant workpiece.
- workpieces to coat as part of a high-temperature treatment.
- it is always attempted to arrange a large number of workpieces on workpiece carriers such that an interior of the high-temperature furnace is filled as densely as possible with workpieces in order to keep the costs of the treatment process low.
- the workpieces are arranged on the workpiece carrier so that the workpieces are exposed as possible on all sides of a furnace atmosphere to achieve a homogeneous heating of j e election workpieces.
- the known workpiece carriers are regularly formed from a plate-shaped support grid, which can also form a grid structure. Although it is also known to form the support grid made of metal, however, a metal support grid can easily warp or bend at high temperatures. Constructed from carbon fiber reinforced carbon (CFC) workpiece carrier or support grids, however, are dimensionally stable and sufficiently strong even at high temperatures.
- CFC carbon fiber reinforced carbon
- the workpiece carrier may have a ceramic separating layer for supporting workpieces or even be formed from ceramic materials.
- a method for producing a fiber composite component or a workpiece carrier in which fibers are arranged according to a grid structure and sewn together at intersection points.
- a particularly high fiber volume can be achieved at crossing points of the lattice structure.
- the thus formed fiber composite is infiltrated with a resin as a matrix material and introduced into a mold.
- the resin is cured, so that a dimensionally stable green body or a precursor is obtained, which finally by means of a heat treatment, in particular a pyrolysis of the resin, to the factory piece carrier is formed.
- a structured fiber arrangement oriented in accordance with the grid structure, a stable fiber composite component can be obtained.
- workpiece carriers are used to provide and handle a wide variety of workpieces, it may be necessary, depending on a size or shape of the workpieces, to use workpiece carriers with a wide variety of grid structures. For individual production of such workpiece carriers, however, it is always necessary to use a correspondingly adapted tool or a mold. Since with such forms, inter alia, a pressing of the fibers is carried out with the matrix material, these forms are expensive to produce. Individualization of workpiece carriers is therefore limited.
- the present invention is therefore based on the object
- Fiber composite component and to propose a method for its production, which allows a cost-effective production.
- a method having the features of claim 1 and a fiber composite component with the features of claim 21 dissolved in particular a workpiece carrier for providing and handling workpieces in high-temperature furnaces for high-temperature treatment or the like, a dimensionally stable green body of the fiber composite component is formed from a fiber-reinforced matrix material, wherein the fiber composite component formed by a heat treatment of the green body is, wherein a fiber is extruded together with a slurry as a matrix material from a nozzle and spatially arranged, such that the green body is formed by means of additive manufacturing.
- the green body can then be formed in principle formlo s by the fact that the fiber is deposited together with the slurry on the basis of a data model of a shape of the green body of the nozzle.
- the nozzle is then moved along the shape of the green body during extrusion, so that the green body is made generative by applying the fiber to the slurry. It is then possible to form a fiber composite component or a workpiece carrier with a virtually arbitrary shape.
- the use of a mold with which impregnated fibers could be pressed is then no longer necessary, whereby the manufacturing cost of the mold can be saved and thus the fiber composite component is overall also cheaper to produce.
- it may be provided to arrange the fibers in a structured fiber composite. This makes it possible to achieve a significantly increased Faservo lumen of the fiber composite component, which can significantly increase a strength of the fiber composite component.
- the fiber composite can then be aligned according to a load direction. In particular, when a grid structure is to be formed, the fiber composite can always be arranged along struts of the grid structure.
- the slip is dimensionally stabilized after extrusion, wherein the shape stabilization can preferably be carried out by means of drying, heat treatment or curing of a binder.
- the fiber can be coextruded with the slurry, such that the fiber adheres to a substrate together with the slurry.
- the substrate may already be a fiber, a fiber layer or a fiber bundle which at least partially forms a shape of the fiber composite component. The slurry can then easily allow the fiber to adhere to this substrate.
- a binder contained in the slip can also be cured by means of UV light and thus the slip can be fixed in a dimensionally stable manner.
- the shape stabilization allows a further application of the fiber with the slurry in adjacent rows and superimposed planes or layers corresponding to the shape of the fiber composite component without the slurry being moved by its own weight or its own weight of the green body thus formed or a shape of the green body as a result of a flow of the slip is changed.
- the green body can be aftertreated by pressing or vacuum forming in a subsequent process step.
- this additional shaping step can be carried out.
- a deposited and infiltrated fibrous structure can then be compacted and reshaped, in which case final final stabilization takes place.
- the fiber is deposited freely during the extrusion.
- the fiber can be extruded or conveyed out of the nozzle together with the slurry and applied without pressure to a substrate or an underlying fiber layer.
- the slurry can already wet the fiber inside the nozzle so that the slurry adheres to the fiber and is deposited together with the fiber.
- the green body can be formed by extrusion in an informal or alternatively in a shape of the green body.
- the green body in a formlo sen training of the green body, the green body on a flat
- Extrusion of the fiber can be formed together with the slurry.
- Most fiber composite components, in particular workpiece carriers, can then be produced without the use of a mold. If a particularly reliable dimensional stability is to be achieved, or if the fiber composite component has a complex shape, it may be advantageous to use a mold into which the fiber is extruded, together with the slurry.
- the mold then has an opening through which the nozzle can enter the mold or deposit the fiber within the mold.
- a matrix material an inorganic matrix material, preferably a matrix material of alumina, mullite (MgO), zirconia, yttrium-aluminum garnet, silicon carbide and / or silicon nitride can be used.
- the slip then essentially has one of these aforementioned substances or mixtures thereof. These substances are then in the form of a powder or particles.
- a workpiece carrier is formed of a ceramic fiber composite material, it is due to the fiber reinforcement very stable, that is not brittle, and resistant to rapid temperature changes. In addition, contamination of workpieces by carbon of the workpiece carrier can be prevented by the fact that the workpiece carrier contains no carbon at least at possible contact surfaces to workpieces.
- the slip may also have a dispersion medium, wherein preferably water, glycerol and / or ethano l can be used as the dispersion medium. The dispersion medium may then be mixed with particles of the matrix material in a volume ratio in which the slurry is still extrudable through the nozzle and at the same time does not tend to flow after exiting the nozzle.
- the slurry is thixotropic.
- the slurry can then be liquid or viscous within the nozzle and solidify after exiting the nozzle. If the slurry has a dispersion medium which can evaporate quickly, a comparatively dimensionally stable green body can already be obtained by means of direct heat treatment or drying of the slurry.
- the slip may have additives, it being possible to use a binder and / or a defoamer as additive.
- the defoamer can improve a processability of the slurry.
- the binder may serve to solidify or cure the slurry after extrusion.
- the binder may be a UV-activatable or heat-activatable binder.
- the slip may also comprise ceramic particles, with preference being given to 20% by volume of small ceramic particles having an average particle size of 0.1 ⁇ m and 80 parts by volume. % large ceramic particles with an average particle size of 1 to 5 ⁇ can be used. With such a ratio of small ceramic particles to large ceramic particles as well as the mean particle sizes selected in each case, it becomes possible to form the slip with an at least partially dilatant or with partially thixotropic behavior during an extrusion. In addition, solidification by sintering with retention of porosity can be enabled. The maximum particle sizes can be chosen so that a complete infiltration of a fiber bundle is possible.
- the slurry may have a solids content of 35% by volume
- an inorganic fiber preferably a fiber of alumina, mullite, zirconia, yttrium-aluminum garnet, silicon carbide and / or silicon nitride can be used.
- the inorganic fibers can then be combined together with an oxide ceramic matrix of a matching or of a different matrix material. It can further be provided to combine inorganic fibers of different materials with one another.
- an organic fiber preferably a carbon fiber
- Carbon fibers are comparatively inexpensive available and dimensionally stable and sufficiently strong even at high temperatures.
- the carbon fibers can then also be combined with an inorganic matrix material. In such a combination thermo-mechanical and thermodynamic compatibility of the materials is to be considered.
- the fiber may have a diameter of 5 ⁇ to 30 ⁇ , preferably of 10 ⁇ . Fibers with these diameters are particularly well suited for extrusion from the die along with the slip.
- the fiber may be an endless fiber that can be fed continuously to the nozzle.
- an endless fiber By using an endless fiber, it becomes possible to arrange the fiber continuously, as in winding the fiber, in a desired orientation corresponding to a shape of the fiber composite member.
- a strength of the fiber composite component can be increased so advantageous. In principle, however, it is also possible to extrude short cut fibers together with the slurry from the nozzle.
- a filament yarn can also be extruded from the die together with the slurry, wherein the filament yarn 1 .000 can have the (denier) to 50,000 denier, preferably 20,000 denier.
- the filament yarn can then already impregnated or impregnated with the slurry within the nozzle.
- a faster additive structure of the green body of the filament yarn is made possible together with the slurry.
- the fiber composite component can advantageously with a fiber content of 10 vol.% To 60 Vo l. %, preferably up to 35 Vo l. %> are trained.
- a high fiber content favors the strength properties of the fiber composite component.
- the fiber composite component can be formed as a workpiece carrier, which is formed from a support grid for positioning workpieces on the workpiece carrier, wherein the support grid is then formed from a grid structure forming support struts. Because the fiber is laid by means of the nozzle, it is then also possible to form the workpiece carrier in one piece.
- the green body then substantially corresponds to a preform which has a lattice shape.
- crossing points or junctions of the lattice structure can be formed with the same material thickness and / or the same fiber proportion.
- a thickness or a cross-sectional area of the support struts of the lattice structure is then always constant.
- the fiber can be laid so that the crossing points or nodes of interconnected support struts have substantially the same Faservo lumen in relation to the cross-sectional area as the support struts.
- it can further be provided to cure or stabilize the green body by means of a supplementary heat treatment, before the green body is fed to the final heat treatment to form the fiber composite component. In this heat treatment, sintering of the matrix material of the green body may be required.
- the method further relates to using the nozzle to extrude the fiber together with the slurry to make the green body.
- the fiber composite component according to the invention for high-temperature applications is formed from a dimensionally stable green body made of fiber-reinforced matrix material, wherein the fiber composite component is formed by a heat treatment of the green body, wherein the green body by means of additive manufacturing is formed by a spatial arrangement and an extrusion of a fiber together with a slurry as a matrix material from a nozzle.
- Fig. 2 workpiece carrier in a side view
- Fig. 4 a schematic representation of a nozzle for producing a fiber composite component.
- FIGS. 1 to 3 shows a formed as a workpiece carrier 10 fiber composite component 1 first
- the workpiece carrier 10 forms a support grid 12 with a grid structure 1 3, wherein the grid structure tur 13 is formed from support struts 14 which are interconnected at crossing points 1 5.
- the support struts 14 and the crossing points 15 are formed from a structured fiber composite 16 of fibers 17, which reinforce a matrix material.
- the fibers 17 and the matrix material 18 are made of an inorganic material such as alumina.
- the fibers 17 were extruded together with a slurry from a nozzle and placed spatially on each other and next to each other in the arrangement shown here.
- the slip was dimensionally stabilized after extrusion, so that this type of additive manufacturing a green body was formed.
- the green body was formed by means of a heat treatment to the fiber composite component 1 1.
- FIG. 4 shows a schematic representation of a nozzle 1 9, with which a fiber 20 is extruded together with a slurry 21.
- the nozzle 19 has a channel 22 for feeding the fiber 20 and a channel 23 for supplying the slurry 21.
- the fiber 20 emerges from the nozzle 19 together with the slurry 21 and is deposited in a structured manner in or on fiber layers 25 without pressure.
- a form for producing the green body 26 is not required, but it is sufficient to arrange the fiber layers 25 on a flat surface 27.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102017206452.8A DE102017206452B3 (en) | 2017-04-13 | 2017-04-13 | Process for producing a fiber composite component |
PCT/EP2018/058005 WO2018188960A1 (en) | 2017-04-13 | 2018-03-28 | Fibre composite component and production method |
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EP3609857A1 true EP3609857A1 (en) | 2020-02-19 |
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ID=61972496
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EP18717857.9A Withdrawn EP3609857A1 (en) | 2017-04-13 | 2018-03-28 | Fibre composite component and production method |
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US (1) | US20200102253A1 (en) |
EP (1) | EP3609857A1 (en) |
DE (1) | DE102017206452B3 (en) |
WO (1) | WO2018188960A1 (en) |
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DE102019116844A1 (en) * | 2019-06-21 | 2020-12-24 | Schunk Kohlenstofftechnik Gmbh | Device for removing and dispensing a melt as well as method for producing the device |
CN111113889B (en) * | 2019-12-22 | 2021-06-04 | 同济大学 | Fused deposition molding method using cored wire |
DE102020206245A1 (en) | 2020-05-18 | 2021-11-18 | Sgl Carbon Se | Device for high temperature treatment |
WO2021239258A1 (en) | 2020-05-29 | 2021-12-02 | Schunk Kohlenstofftechnik Gmbh | Impregnation device and method for the production of a fiber composite component |
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KR100211732B1 (en) * | 1996-12-23 | 1999-08-02 | 추호석 | Preparation method of c/c composite structure |
DE19957906A1 (en) | 1999-12-01 | 2001-06-28 | Schunk Kohlenstofftechnik Gmbh | Method for producing a fiber composite component and device for producing one |
US20070111878A1 (en) * | 2005-11-16 | 2007-05-17 | Bilal Zuberi | Extrudable mixture for forming a porous block |
US8562901B1 (en) * | 2008-08-25 | 2013-10-22 | The United States Of America As Represented By The Secretary Of The Air Force | Method of making crack-free ceramic matrix composites |
DE102010055221B4 (en) | 2010-12-20 | 2016-08-25 | Airbus Defence and Space GmbH | Method for producing a component of fiber-reinforced composite material |
JP2017535459A (en) * | 2014-11-27 | 2017-11-30 | ジョージア − パシフィック ケミカルズ エルエルシー | Thixotropic thermosetting resins for use in material extrusion processes in additive manufacturing. |
US20160332372A1 (en) * | 2015-05-13 | 2016-11-17 | Honeywell International Inc. | Carbon fiber preforms |
US9944526B2 (en) * | 2015-05-13 | 2018-04-17 | Honeywell International Inc. | Carbon fiber preforms |
US9926796B2 (en) * | 2015-07-28 | 2018-03-27 | General Electric Company | Ply, method for manufacturing ply, and method for manufacturing article with ply |
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2017
- 2017-04-13 DE DE102017206452.8A patent/DE102017206452B3/en active Active
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2018
- 2018-03-28 EP EP18717857.9A patent/EP3609857A1/en not_active Withdrawn
- 2018-03-28 WO PCT/EP2018/058005 patent/WO2018188960A1/en unknown
- 2018-03-28 US US16/604,767 patent/US20200102253A1/en not_active Abandoned
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US20200102253A1 (en) | 2020-04-02 |
DE102017206452B3 (en) | 2018-09-13 |
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