Preparation of substantially crystalline silicon carbide fibers from polycarbosilane
US5071600A · kind A · utility
32Cited by
12References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 1990 |
| Grant date | Dec 10, 1991 |
| Priority date | — |
| Expiry date | Jan 16, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/571
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
This invention relates to the preparation of thermally stable, substantially polycrystalline silicon carbide ceramic fibers derived from a polycarbosilane resin. The unexpected thermal stability of these fibers is achieved by the incorporation of boron prior to ceramification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.