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5. Conclusion
CMCs have been studied and developed since the 1970s. Several scientific and technological breakthroughs have made it possible to industrialize them: their "defragilization" by optimizing the fiber/matrix bond by introducing an interphase, and the development of a densification process using CVI. Self-healing is another breakthrough that has considerably extended the service life of CMC parts. Parts produced by the CVI process have high mechanical properties that are well preserved at high temperatures, and these materials were initially used mainly for high value-added applications where part cost is not a limiting factor: military aeronautics and space. Major efforts are now being devoted to developing less expensive densification processes, so that these materials can be introduced into engines for civil aeronautics, a much more competitive field. Several parts can benefit from the low...
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Conclusion
Bibliography
Websites
Thermostructural Composites Laboratory http://www.lcts.u-bordeaux1.fr/
Thermostructural composites: exceptional materials http://www.herakles.com/innovation/composites-thermosructuraux/? lang=fr
...Events
HTCMC, International Conference on High Temperature Ceramic Matrix Composites http://ceramics.org/meetings/9th-international-conference-on-high- temperature-ceramic-matrix-composites-and-global-forum-on-...
Standards and norms
- Test method for tensible stress-strain behaviour of continuous fibre reinforced composites at room temperature - ISO 15733 - 2014
- Mechanical properties of ceramic composites at high temperature – Determination of compression properties - ISO 14544 - 2012
- Ceramic composites – Thermophysical properties: Determination of thermal diffusivity (Based on EN 1159-3:2003) - ISO 19629 - 2013
- Advanced technical...
Patents
HERAUD (L.), COTTERET (J.), BONNET (C.), CHRISTIN (F.), NASLAIN (R.), HAGENMULLER (P.), Porous carbonaceous part densified in situ by chemical vapor deposition of refractory materials other than carbon, and method of manufacture, Patent FR2401888A1 (March 30, 1979).
MAISTRE (M.), Nouvelle structure composite, et procédé et matrice destinés à la fabrication d'une telle structure, Patent FR2498733A1 (July...
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