BN Bonded BN fiber article and method of manufacture
US4284610A · kind A · utility
5Cited by
4References
28Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 20, 1979 |
| Grant date | Aug 18, 1981 |
| Priority date | — |
| Expiry date | Mar 20, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A boron nitride bonded boron nitride fiber article and the method for its manufacture which comprises forming a shaped article with a composition comprising a bonding compound selected from boron oxide and boric acid and a structural fiber selected from the group consisting of boron oxide, boron nitride and partially nitrided boron oxide fibers, heating the composition in an anhydrous gas to a temperature above the melting point of the compound and nitriding the resulting article in ammonia gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.