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Home   /   Post Doctorat   /   Fabrication and characterization of high thermal conductivity SiCf/SiC composites

Fabrication and characterization of high thermal conductivity SiCf/SiC composites

Condensed matter physics, chemistry & nanosciences Engineering sciences Materials and applications Ultra-divided matter, Physical sciences for materials


SiCf/SiC ceramic matrix composites are foreseen candidates for structure materials and claddings in fast neutron reactor of 4th generation. However, their use may be limited because of their too low thermal conductivity in the operating conditions (< 10 W/mK).
SiCf/SiC ceramic matrix composites are now elaborated by chemical vapour infiltration (CVI). In order to improve their thermal conductivity (reduced porosity), it is planned to develop a hybrid elaboration process combining CVI and liquid routes.
The objective of this study is to determine the conditions of elaboration of a SiC matrix by liquid routes and then to characterize the thermo-mechanical behaviour of the hybrid composites, particularly in relation to CVI references.


Département des Matériaux pour le Nucléaire
Service des Recherches Métallurgiques Appliquées
Laboratoire des Technologies des Matériaux EXtrêmes
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