Oxidation protection for carbon-carbon composites
US10399908B2 · kind B2 · utility
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6References
20Claims
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Key dates
| Filing date | Nov 15, 2016 |
| Grant date | Sep 3, 2019 |
| Priority date | — |
| Expiry date | Sep 20, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/614
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The method may include forming fibers with a silicon-based sizing, forming a fibrous preform from the fibers, forming a silicon dioxide coating around the fibers, carbonizing the fibrous preform, and densifying the fibrous preform. In various embodiments, forming the fibers with the silicon-based sizing includes utilizing a mass of the silicon-based sizing that is at least 1.0% of a mass of the fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.