Method for producing a ceramic matrix composite material having improved toughness
US5079039A · kind A · utility
47Cited by
5References
10Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 23, 1990 |
| Grant date | Jan 7, 1992 |
| Priority date | — |
| Expiry date | Feb 23, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S427/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A porous structure made of refractory fibers or densified by carrying out a sequential deposition of a matrix, the deposition comprising at least two chemical vapor infiltration phases of an essentially ceramic material separated by a chemical vapor infiltration of a less rigid material chosen among pyrolytic carbon and boron nitride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.