Table 4.
Energy at break and initial modulus of filaments; mean value ± SD.
| Energy at Break (J) of Filaments with Different Percentages of NFC | Initial Modulus (GPa) of Filaments with Different Percentages of NFC | |||||||
|---|---|---|---|---|---|---|---|---|
| 0% | 1% | 3% | 5% | 0% | 1% | 3% | 5% | |
| PLA | 0.677 ± 0.259 | - | - | - | 1.97 ± 0.19 | - | - | - |
| PLA + NFC | - | 0.199 ± 0.042 | 0.420 ± 0.142 | 0.245 ± 0.066 | - | 2.22 ± 0.37 | 2.02 ± 0.61 | 1.89 ± 0.22 |
| PLA + (NFC + L) | - | 0.436 ± 0.092 | 0.266 ± 0.056 | 0.324 ± 0.114 | - | 2.17 ± 0.08 | 2.06 ± 0.14 | 2.08 ± 0.09 |
| PLA + (NFC + PL) | - | 0.378 ± 0.151 | 0.222 ± 0.049 | 0.149 ± 0.036 | - | 1.89 ± 0.21 | 2.09 ± 0.13 | 2.04 ± 0.16 |