Textile preforms sheathed in a boron nitride coating, composites incorporating them and their preparation
US6284358A · kind A · utility
7Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1999 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Jun 25, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249931
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention provides: PA1 fiber preforms sheathed in a boron nitride coating, said coating (generated on said previously-prepared fiber preforms) having a structure that is original: microporous and granular; PA1 thermostructural composite materials in which the reinforcing fabric is constituted by said fiber preforms; and PA1 methods of preparing said fiber preforms and said thermostructural composite materials, respectively. The composites of the invention have their fiber preforms, based on fibers (F), sheathed in an original interphase (I.sub.BN) and embedded in the densification matrix (M).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.