Table 1 Chemical composition of polyborosilazanes (Co-PSBN1 and PSBN1) and SiCN/BN nanocomposites annealed at different temperatures.
Sample | Annealed temperature | Elemental analysis (wt%) | Empirical formula | ||||
|---|---|---|---|---|---|---|---|
Si | C | N | B | Co | |||
PSBN1 | 800 °C | 42.92 | 23.27 | 28.51 | 5.29 | — | SiC1.7N1.4B0.5 |
PSBN1 | 1600 °C | 45.67 | 24.56 | 23.52 | 6.25 | — | SiC2.0N0.7B0.5 |
Co-PSBN1 | 800 °C | 43.94 | 23.56 | 24.97 | 5.05 | 2.48 | SiC1.31N1.19B0.67Co0.03 |
Co-PSBN1 | 1600 °C | 50.44 | 23.59 | 16.14 | 6.52 | 3.31 | SiC1.13N0.66B0.75Co0.03 |
