Table 1 Physical and thermal properties of SiC preforms and Al/SiC composites sintered by CS and RS at different sintering temperatures.
Sintering temperature (°C) | CS | RS | |||
---|---|---|---|---|---|
1100 | 1200 | 1300 | 1550 | 1700 | |
Volume fraction of preform (vol%) | 60.1 ± 0.36 | 62.4 ± 0.33 | 63.3 ± 0.41 | 66.5 ± 0.39 | 66.7 ± 0.42 |
Density of preform (g/cm3) | 1.92 ± 0.03 | 1.99 ± 0.03 | 2.03 ± 0.04 | 2.12 ± 0.06 | 2.14 ± 0.07 |
BS of SiC preform (MPa) | 2.4 ± 0.5 | 4.8 ± 0.8 | 10.3 ± 2.1 | 16.5 ± 3.4 | 21.0 ± 4.1 |
BS of Al/SiC composite (MPa) | 267.4 ± 10.5 | 296.1 ± 13.2 | 310.2 ± 12.0 | 325.6 ± 10.5 | 316.7 ± 13.4 |
TC of Al/SiC composite (W/m K) | 152.5 ± 9.5 | 132.4 ± 6.7 | 111.4 ± 7.2 | 196.7 ± 8.3 | 194.3 ± 9.6 |