Table 1.
Main values of Young’s modulus in (GPa).
| Sample | Before Aging | After Aging | ||||
|---|---|---|---|---|---|---|
| PD | MD | 45 | PD | MD | 45 | |
| Epoxy resin | 14.36 ± 0.40 | 17.31 ± 0.20 | 9.34 ± 0.65 | 14.78 ± 0.45 | 18.43 ± 0.24 | 10.39 ± 0.18 |
| Epoxy resin/naringenin 2 phr | 15.53 ± 0.52 | 16.58 ± 0.30 | 8.72 ± 0.49 | 16.23 ± 0.06 | 17.83 ± 0.44 | 9.24 ± 0.07 |
| Epoxy resin/naringenin 4 phr | 15.05 ± 1.46 | 18.97 ± 0.38 | 8.19 ± 0.31 | 15.49 ± 0.66 | 18.55 ± 0.08 | 9.22 ± 0.27 |
| Epoxy resin/naringenin 8 phr | 14.34 ± 0.08 | 16.28 ± 1.09 | 9.20 ± 0.41 | 15.43 ± 0.13 | 18.13 ± 0.01 | 9.63 ± 0.41 |