METHOD FOR MANUFACTURING A CMC PART
A process for manufacturing a part made of a ceramic matrix composite material, includes coating an outer surface of a porous preform with a layer of a fugitive material to form a model of the part to be obtained, the fugitive material being wax or resin, the fugitive material layer in the model not...
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| creator | MENDEZ, Emilie, Chantal, Gisèle LELEU, Charles PODGORSKI, Michaël RAPPART, Yvan ZHANG, Wen DAMBRINE, Bruno, Jacques, Gérard |
| description | A process for manufacturing a part made of a ceramic matrix composite material, includes coating an outer surface of a porous preform with a layer of a fugitive material to form a model of the part to be obtained, the fugitive material being wax or resin, the fugitive material layer in the model not exceeding the highest peak of surface undulations of the preform, and ceramic and/or carbon particles being present in the porosity of the preform, coating the model formed with a ceramic powder composition, heat treating the coated model to remove the fugitive material and form a ceramic shell mold by sintering of the ceramic powder composition, introducing a molten composition including silicon into the shell mold to obtain the part in the shell mold, the molten composition infiltrating the porosity of the preform to form the ceramic matrix, and separating the shell mold from the part obtained. |
| format | Patent |
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| language | eng ; fre ; ger |
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| subjects | ARTIFICIAL STONE BLASTING CASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE ENGINE PLANTS IN GENERAL FOUNDRY MOULDING HEATING LIGHTING LIME, MAGNESIA MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METALLURGY NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PERFORMING OPERATIONS POWDER METALLURGY REFRACTORIES SLAG STEAM ENGINES TRANSPORTING TREATMENT OF NATURAL STONE WEAPONS |
| title | METHOD FOR MANUFACTURING A CMC PART |
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