Two-dimensional carbon fiber reinforced silicon carbide (2D-C/SiC) composites are well-known for the high-temperature performance in aeronautical and aerospace fields, but they are susceptible to foreign object damage in service. Therefore, the high-temperature performance of pre-impacted 2D-C/SiC is closely connected with flight security. In this study, the pre-impact testing was conducted using a stress-reversal split Hopkinson bar, and the pre-impact energies were set from 0.1J to 0.9J. Subsequently, the pre-impacted specimens were heated for a period in the temperature-keeping procedure from 20 °C to 1600 °C. Oxidation kinetics of the pre-impacted 2D-C/SiC specimens were obtained based on the weight loss-temperature trends. Finally, the specimens were compressed under high temperatures at the strain rates from 10⁻⁴/s to 1000/s, so the residual compressive strength (RCS)-temperature trends were achieved. Hence, the correlation between the weight loss and the RCS was established. Interestingly, the pre-impact strengthening effect on the compressive strength was found. The results revealed that the RCS of 2D-C/SiC is affected by various parameters, providing new sights into the high-temperature damage tolerance of ceramic matrix composites.

二维碳纤维增强碳化硅（2D-C/SiC）复合材料在航空航天领域以高温性能着称，但在服役中易受异物损伤。因此，预冲击2D-C/SiC的高温性能与飞行安全密切相关。在本研究中，使用应力反转分裂霍普金森杆进行预冲击测试，预冲击能量设置为 0.1J 至 0.9J。随后，预冲击试样在保温程序中从 20°C 加热到 1600°C 一段时间。基于失重-温度趋势，获得了预冲击 2D-C/SiC 试样的氧化动力学。最后，试样在高温下以 10 ^-4的应变率压缩/s 至 1000/s，因此实现了残余压缩强度 (RCS) - 温度趋势。因此，建立了体重减轻和 RCS 之间的相关性。有趣的是，发现了对抗压强度的冲击前强化效应。结果表明，2D-C/SiC 的 RCS 受各种参数的影响，为陶瓷基复合材料的高温损伤容限提供了新的视角。