METHOD FOR FABRICATING CARBON FIBER-REINFORCED COMPOSITE MATERIAL PARTS
PROBLEM TO BE SOLVED: To provide a method for fabricating carbon fiber-reinforced composite material parts in which at least a part has high density by a matrix according to a CVI (chemical vapor infiltration) type process. SOLUTION: A coherent fiber preform made of carbon fibers has holes formed fr...
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| creator | BOUCHARD ERIC LHERM ERIC |
| description | PROBLEM TO BE SOLVED: To provide a method for fabricating carbon fiber-reinforced composite material parts in which at least a part has high density by a matrix according to a CVI (chemical vapor infiltration) type process. SOLUTION: A coherent fiber preform made of carbon fibers has holes formed from at least a first face of the preform, and the preform has high density by depositing therein a material constituting a matrix by means of a chemical vapor infiltration type process. The holes are formed by simultaneously inserting a plurality of non-rotary elongate tools, wherein the tools are substantially mutually parallel and have on their surfaces roughnesses or portions in relief suitable for breaking and/or transferring fibers they encounter, and the tools are simultaneously inserted by moving a support carrying the tools, and the tools are selected to have a cross-section that makes it possible to obtain holes having a cross-section with a mean size lying in the range of 50-500 μm in the carbon fiber preform. COPYRIGHT: (C)2009,JPO&INPIT |
| format | Patent |
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SOLUTION: A coherent fiber preform made of carbon fibers has holes formed from at least a first face of the preform, and the preform has high density by depositing therein a material constituting a matrix by means of a chemical vapor infiltration type process. The holes are formed by simultaneously inserting a plurality of non-rotary elongate tools, wherein the tools are substantially mutually parallel and have on their surfaces roughnesses or portions in relief suitable for breaking and/or transferring fibers they encounter, and the tools are simultaneously inserted by moving a support carrying the tools, and the tools are selected to have a cross-section that makes it possible to obtain holes having a cross-section with a mean size lying in the range of 50-500 μm in the carbon fiber preform. 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SOLUTION: A coherent fiber preform made of carbon fibers has holes formed from at least a first face of the preform, and the preform has high density by depositing therein a material constituting a matrix by means of a chemical vapor infiltration type process. The holes are formed by simultaneously inserting a plurality of non-rotary elongate tools, wherein the tools are substantially mutually parallel and have on their surfaces roughnesses or portions in relief suitable for breaking and/or transferring fibers they encounter, and the tools are simultaneously inserted by moving a support carrying the tools, and the tools are selected to have a cross-section that makes it possible to obtain holes having a cross-section with a mean size lying in the range of 50-500 μm in the carbon fiber preform. 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SOLUTION: A coherent fiber preform made of carbon fibers has holes formed from at least a first face of the preform, and the preform has high density by depositing therein a material constituting a matrix by means of a chemical vapor infiltration type process. The holes are formed by simultaneously inserting a plurality of non-rotary elongate tools, wherein the tools are substantially mutually parallel and have on their surfaces roughnesses or portions in relief suitable for breaking and/or transferring fibers they encounter, and the tools are simultaneously inserted by moving a support carrying the tools, and the tools are selected to have a cross-section that makes it possible to obtain holes having a cross-section with a mean size lying in the range of 50-500 μm in the carbon fiber preform. COPYRIGHT: (C)2009,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ARTIFICIAL STONE BLASTING BRAKES CEMENTS CERAMICS CHEMISTRY CLUTCHES COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE COUPLINGS FOR TRANSMITTING ROTATION ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING LIME, MAGNESIA MECHANICAL ENGINEERING METALLURGY REFRACTORIES SLAG THERMAL INSULATION IN GENERAL TREATMENT OF NATURAL STONE WEAPONS |
| title | METHOD FOR FABRICATING CARBON FIBER-REINFORCED COMPOSITE MATERIAL PARTS |
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