Pitch resin addition induced evolution of composition, microstructure and mechanical property of C/C-SiC-ZrC composites

Novel Structural Design Strategies in Ceramic-Modified C/C Composites

“…However, during the formation process of the ceramic matrix, direct contact between the precursors and the carbon matrix and fibers during pyrolysis can lead to interface erosion and severe degradation in the mechanical properties of the composites. To address this issue, Huang et al and Tang et al prepared C/C-ZrC-SiC composites through the sol–gel method and PIP method, respectively, and they added phenolic resin and pitch resin as an extra carbon source to improve the properties, respectively. , The resin-derived carbon envelops the ceramic precursor, effectively preventing interface damage and promoting good bonding between the ceramics and carbon matrix through in situ reactions, thereby improving the compactness of the matrix. Therefore, the composites achieved good mechanical properties and improved antiablation performance.…”