Cf/HfC-TaC-C composite material and preparation method thereof

The invention provides a Cf/HfC-TaC-C composite material and a preparation method thereof, wherein a carbon fiber preform as a skeleton is immersed in a precursor solution containing a hafnium-tantalum precursor copolymer, and curing and cracking are performed to obtain the Cf/HfC-TaC-C composite material. According to the present invention, the process is simple, and the preparation period is short; and the prepared ultra-high temperature ceramic matrix composite material has advantages of excellent high-temperature resistance, excellent oxidation resistance and excellent ablation resistance,can be used as the high temperature thermal structure material of highly-hypersonic aircrafts and rocket propulsion systems, and has wide application prospect. 本发明提供种C/HfC-TaC-C复合材料及其制备方法，所制备得到的复合材料以碳纤维预制体为骨架，且将所述碳纤维预制体浸渍于含铪钽前驱体共聚物的前驱体溶液中并经过固化、裂解制得。本发明方法工艺简单、制备周期短，所制备的超高温陶瓷基复合材料具有优异的耐高温抗氧化耐烧蚀性能，可作为高超声速飞行器及火箭推进系统的高温热结构材料，具有广阔的应用前景。