Table 4.
Average tensile and flexural strength and stiffness for different orientations of PLA and PLA-CF samples. Standard deviation is depicted in brackets.
| Orientation | Material | Tensile Results | Flexural Results | ||
|---|---|---|---|---|---|
| σt (MPa) | Et (GPa) | σf (MPa) | Ef (GPa) | ||
| Flat | PLA | 47.8 (1.1) | 3.35 (0.09) | 55.6 (1.5) | 2.09 (0.30) |
| PLA-CF | 70.3 (1.3) | 9.21 (0.12) | 105.5 (0.4) | 6.94 (0.06) | |
| On-edge | PLA | 55.7 (0.3) | 3.29 (0.09) | 42.5 (0.9) | 1.71 (0.62) |
| PLA-CF | 66.1 (0.5) | 8.48 (0.06) | 95.7 (1.4) | 6.40 (0.09) | |
| Upright | PLA | 11.5 (1.6) | 3.05 (0.60) | 21.3 (1.1) | 1.91 (0.06) |
| PLA-CF | 18.2 (1.8) | 3.35 (0.21) | 22.0 (1.8) | 2.34 (0.33) | |