Carbon fiber reinforced ceramic matrix composite carbon interface layer and preparation method thereof

The invention discloses a carbon fiber reinforced ceramic-based composite material carbon interface layer and a preparation method thereof, and the preparation method comprises the following steps: (1) dissolving dopamine hydrochloride in a Tris-HCl buffer solution, putting a carbon fiber preform, and dipping to obtain a modified carbon fiber preform; (2) dissolving the resin powder in a solvent, adding a curing agent, stirring and dissolving to obtain a resin solution; and dipping the modified carbon fiber preform obtained in the step (1) in a resin solution, taking out, curing, and finally carrying out high-temperature cracking, thereby obtaining the carbon fiber composite material. The preparation method is simple, raw materials are easy to obtain, cost is low, environment friendliness is achieved, carbon fibers are not damaged, the phenomenon of fiber surface corrosion is avoided, and the film-forming property and thickness of a carbon interface layer can be adjusted; and the prepared carbon interface lay