Carbon/carbon composites and methods of making carbon/carbon composites having increased wear life
AssigneeGoodrich Corporation
InventorsJAMES W. RUDOLPH, ATTA KHAN
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Abstract
A method of manufacturing a carbon structure can comprise: infiltrating the carbon structure with a silicon oxycarbide (SiOC) precursor sol; and densifying the carbon structure by chemical vapor infiltration (CVI) to form a carbon and ceramic matrix composite material, the carbon and ceramic matrix composite material comprising between 0% and 15% by weight of a plurality of ceramic particles from the ceramic compound, densifying the carbon structure including adjusting a temperature gradient across the carbon structure.
Claims20
A method of manufacturing a carbon structure, comprising:
- infiltrating the carbon structure with a silicon oxycarbide (SiOC) precursor sol;
- and
- densifying the carbon structure by chemical vapor infiltration (CVI) to form a carbon and ceramic matrix composite material, the carbon and ceramic matrix composite material comprising between 0% and 15% by weight of a plurality of ceramic particles, wherein densifying the carbon structure includes adjusting a temperature gradient across the carbon structure.
A method of manufacturing a carbon-based brake disc, comprising:
- partially densifying a carbon structure, the partially densifying including establishing a first thermal gradient in a process furnace containing the carbon structure having a first surface and a second surface, a first temperature of the first surface of the carbon structure being higher than a second temperature of the second surface of the carbon structure;
- infiltrating the carbon structure with a ceramic compound;
- subsequently
- densifying the carbon structure by chemical vapor infiltration (CVI), the densifying including establishing a second thermal gradient in the process furnace containing the carbon structure, a third temperature of the first surface of the carbon structure being lower than a fourth temperature of the second surface of the carbon structure;
- and
- treating the carbon structure with heat at a fifth temperature ranging from 1000° C. to 1600° C. to form a plurality of ceramic particles.
A disk brake system, comprising:
- a plurality of friction disks;
- and
- wherein each friction disk in the plurality of friction disks is comprised of a carbon structure comprising a plurality of silicon oxycarbide (SiOC) particles dispersed in the carbon structure, the plurality of SiOC particles comprising between 0.5% and 15% by weight of the carbon structure.
Dependencies are inferred from the claim text.