Table 2: Average maximum force to break composites, standard deviation, its flexural strength and flexural modulus (the data quoted are all average results taken from a minimum of five tests).
Tested materials | Code | Max force (N) | Stand. dev. for force (%) | Flexural strength (MPa) | Flexural modulus (GPa) | Wt., % (%) | Rock.B hardness (HRB) | Impact energy (J) |
Epoxy | EP | 352 | 56 | 83 | 3.43 | 0 | 41 | 2.4 |
40 wt.% BF | BF40 | 739 | 36.81 | 315 | 16.78 | 40 | 48 | 15 |
60 wt.% BF | BF60 | 990 | 87.58 | 359 | 18.36 | 60 | 60.3 | 16.8 |
40 wt.% CF | CF40 | 1254 | 100.14 | 601.9 | 38.68 | 40 | 84 | 8.6 |
60 wt.% CF | CF60 | 1474 | 92.08 | 700 | 41.68 | 60 | 91 | 13 |