Air pressure forming process of carbon fiber composite material

The invention discloses an air pressure forming process of a carbon fiber composite material. Relates to an air pressure forming process of a carbon/carbon composite material. Comprising the steps of mixed powder preparation, forming mold preparation, mold filling, air pressure forming, carbonization treatment, surface processing and high-temperature ceramization treatment. The pressurization conditions in the air pressure forming step are as follows: constant-speed pressurization is performed at normal temperature, the pressure of constant-speed pressurization is 5-20 MPa, the pressurization time is 20-50 min, and the pressure holding time is 10-40 min. The air pressure formed carbon fiber composite material prepared by the method has higher mechanical properties, and meanwhile, a silicon carbide antioxidant component is generated in situ in a matrix structure, so that the oxidation resistance of the material is improved. 本发明公开了一种碳纤维复合材料的气压成型工艺；涉及一种碳/碳复合材料的气压成型工艺；包括：制备混合粉料步骤、准备成型模具步骤、模具填料步骤、气压成型步骤、炭化处理步骤、表面加