Table 1: Microwave absorbing properties of the composites.
Sample | Optimal RL (dB) | Dm (mm) | fm (GHz) (Optimal RL) | (RL < -5dB) | (RL < -10dB) | (RL < -20dB) |
TiC 0% | -19.4 dB | 1.5 mm | 10.2 GHz | 8.2-12.4 | 8.2-12.4 | - |
TiC 25% | -25.1 dB | 1.7 mm | 10 GHz | 8.2-12.4 | 8.2-12.4 | 9.4-10.5 GHz |
TiC 50% | -41.3 dB | 1.8 mm | 10.1 GHz | 8.2-12.4 | 8.3-12.4 | 9.6-10.7 GHz |
TiC 75% | -34.6 dB | 1.8 mm | 10.8 GHz | 8.2-12.4 | 9.3-12.4 | 10.4-11.5 GHz |
TiC 100% | -12.8 dB | 2.0 mm | 11.0 GHz | 9.6-12.4 | 10.4-11.9- | - |