Silicon carbide fiber having excellent alkali durability
US5945362A · kind A · utility
8Cited by
8References
4Claims
0Family size
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Key dates
| Filing date | Sep 22, 1997 |
| Grant date | Aug 31, 1999 |
| Priority date | — |
| Expiry date | Sep 22, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/6325
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A crystalline silicon carbide fiber excellent not only in mechanical properties but also in alkali durability at high temperatures, which has a density of at least 2.7 g/cm.sup.3, contains 55 to 70% by weight of Si, 30 to 45% by weight of C, 0.06 to 3.8% by weight of Al and 0.06 to 0.5% by weight of B, the total of these elements being 100% by weight, and has a sintered structure of SiC.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.