STRUCTURE AND PROPRETIES OF THE NEW NEEDLED CARBON CLOTH C/C COMPOSITE

The carbon cloth and preoxidated felt were laminated alternately and then needled using carbon fiber in Z direction to prepare the prefab of C/C composite, from which the high density (1.80 g/cm 3~1.85 g/cm 3) C/C composite was made by the technology of chemical vapor infiltration (CVI), and pitch high pressure impregnation carbonization (HPIC) and graphitization. It is shown that the microstructure, mechanical and themral properties as well as ablative behaviours of the obtained material are the same level compared with foreign brake plate C/C composite. It could be a kind of ablation fallaway material for SRM jet vane and have good application prospect.