(Xi an Aerospace Composite Material Institute, Xian 710025，China)
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Abstract:
Being the ideal candidate material for thermal protection parts in supersonic flight and the high performance rocket engine, carbon/carbon composites modified by ceramic hybrid have good oxidation and ablation resistance, designability, good thermal shock resistance as well as the inherent unique comprehensive properties, such as excellent mechanical properties and dimensional stability at high temperature. The present status of research and application of carbon/carbon composites modified by the SiC ceramics and ZrC, ZrB2, TaC, HfC ultrahigh temperature ceramics were summarized. The existing problems and the potential development direction on the investigation of the ceramic hybrid modification C/C composites were also proposed.