Study on Impact Resistance of C/SiC Ceramic Matrix Composites for Thermal Protection of the Aerospace Vehicle

Table 1

Impact damage of group 1.

No.	Impact energy (J)	Front-damage diameter (mm)	Front-damage depth (mm)	Back-damage dimension (mm)
1-1#	6	4.81	0.447	14.59 × 9.63
1-2#	8	6.61	0.591	14.77 × 9.05
1-3#	10	9.61	1.156	17.69 × 15.57
1-4#	12	11.47	1.218	18.02 × 14.47
1-5#	14	11.53	2.039	21.37 × 17.28
1-6#	16	12.23	2.106	21.14 × 17.83
1-7#	18	13.00	3.607	19.78 × 18.84
1-8#	20	13.05	4.354	21.69 × 20.47
1-9#	10	8.20	0.995	17.32 × 16.38
1-10#	12	12.20	2.852	17.81 × 17.77