Silicon nitride/boron nitride composite with enhanced fracture toughness
US5324694A · kind A · utility
4Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 1985 |
| Grant date | Jun 28, 1994 |
| Priority date | — |
| Expiry date | Jun 26, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/593
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to silicon nitride composite articles having improved fracture toughness prepared by forming a composition including small amounts of boron nitride powder in a silicon nitride powder base and processing the composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.