Ceramic matrix composite and method for changing the dielectric properties of a ceramic matrix composite
A method for changing the dielectric properties of a polymer impregnated and pyrolyzed ceramic matrix composite is disclosed. The polymer impregnated and pyrolyzed ceramic matrix composite can be used in aircraft and turbine engines. The polymer impregnated and pyrolyzed ceramic matrix composite com...
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| creator | SZWEDA, ANDREW BRIDGEWATER, TODD JEFFREY PETRAK, DANIEL RALPH |
| description | A method for changing the dielectric properties of a polymer impregnated and pyrolyzed ceramic matrix composite is disclosed. The polymer impregnated and pyrolyzed ceramic matrix composite can be used in aircraft and turbine engines. The polymer impregnated and pyrolyzed ceramic matrix composite comprises a ceramic matrix, a reinforcing fiber and at least 1 additive used to change dielectric properties (dielectric constant and loss factor). The additive can be a low dielectric constant material having a dielectric constant in the range of 1 to 7.5. The low dielectric constant material can be an oxide such as silica or aluminosilicate or a non-oxide such as silicon nitride, boron nitride or silicon carbide. The low dielectric constant material can be incorporated in the ceramic matrix as a filler. The low dielectric constant material may be incorporated in a uniform array of holes fabricated in the polymer impregnated and pyrolyzed ceramic matrix composite. |
| format | Patent |
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The polymer impregnated and pyrolyzed ceramic matrix composite can be used in aircraft and turbine engines. The polymer impregnated and pyrolyzed ceramic matrix composite comprises a ceramic matrix, a reinforcing fiber and at least 1 additive used to change dielectric properties (dielectric constant and loss factor). The additive can be a low dielectric constant material having a dielectric constant in the range of 1 to 7.5. The low dielectric constant material can be an oxide such as silica or aluminosilicate or a non-oxide such as silicon nitride, boron nitride or silicon carbide. The low dielectric constant material can be incorporated in the ceramic matrix as a filler. 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The polymer impregnated and pyrolyzed ceramic matrix composite can be used in aircraft and turbine engines. The polymer impregnated and pyrolyzed ceramic matrix composite comprises a ceramic matrix, a reinforcing fiber and at least 1 additive used to change dielectric properties (dielectric constant and loss factor). The additive can be a low dielectric constant material having a dielectric constant in the range of 1 to 7.5. The low dielectric constant material can be an oxide such as silica or aluminosilicate or a non-oxide such as silicon nitride, boron nitride or silicon carbide. The low dielectric constant material can be incorporated in the ceramic matrix as a filler. 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The polymer impregnated and pyrolyzed ceramic matrix composite can be used in aircraft and turbine engines. The polymer impregnated and pyrolyzed ceramic matrix composite comprises a ceramic matrix, a reinforcing fiber and at least 1 additive used to change dielectric properties (dielectric constant and loss factor). The additive can be a low dielectric constant material having a dielectric constant in the range of 1 to 7.5. The low dielectric constant material can be an oxide such as silica or aluminosilicate or a non-oxide such as silicon nitride, boron nitride or silicon carbide. The low dielectric constant material can be incorporated in the ceramic matrix as a filler. The low dielectric constant material may be incorporated in a uniform array of holes fabricated in the polymer impregnated and pyrolyzed ceramic matrix composite.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE |
| title | Ceramic matrix composite and method for changing the dielectric properties of a ceramic matrix composite |
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