Table 4.
Surface texture measurements: roughness parameter summary sheet of untreated and alkali-treated CF/PALF/PLA biocomposites.
| Sample | Before | After | ||||
|---|---|---|---|---|---|---|
| Ra (µm) | Rmax (µm) | Rz (µm) | Ra (µm) | Rmax (µm) | Rz (µm) | |
| PLA | 0.4041 | 4.1468 | 2.9805 | 0.5611 | 5.8276 | 3.9426 |
| C30 | 0.4878 | 18.0561 | 4.2805 | 2.7034 | 57.5719 | 23.4164 |
| P30 | 1.6913 | 39.2247 | 19.9636 | 1.3076 | 20.4452 | 9.4624 |
| C3P7 | 1.1726 | 30.6461 | 22.0001 | 2.0524 | 47.5884 | 18.2854 |
| C1P1 | 1.0534 | 22.6111 | 14.3713 | 2.3452 | 34.8313 | 21.6659 |
| C7P3 | 2.2285 | 23.7508 | 16.5913 | 0.1773 | 10.6666 | 3.0401 |
| C30 A | 0.6067 | 16.4739 | 6.0132 | 1.9237 | 66.6887 | 22.2321 |
| P30 A | 1.7618 | 13.5416 | 11.4903 | 3.2163 | 64.6825 | 35.9024 |
| C3P7 A | 0.8875 | 7.2143 | 3.3644 | 1.3577 | 62.3672 | 20.7893 |
| C1P1 A | 0.4864 | 16.4976 | 3.7916 | 3.9073 | 62.2191 | 36.5664 |
| C7P3 A | 0.4231 | 11.0194 | 4.7770 | 0.6759 | 28.9814 | 9.6606 |