Table 2.
Mechanical properties of tested materials.
| Test materials | Izod impact strength (kJ/m2) |
Tensile strength (MPa) |
Flexural properties (4-point bend) |
||
|---|---|---|---|---|---|
| Young’s modulus (MPa) | Bending deflection (mm) | ||||
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | ||
| PEEK-milled | 4 (±1) | 118 (±5) | 5591 (±33) | 3.2 (±0.2) | |
| PEEK-pressed | 100 °C | 5.7 (±0.4) | 91 (±3) | 4773 (±42) | 4 (±0.3) |
| 150 °C | 5 (±0.4) | 96 (±2) | 4840 (±28) | 3.9 (±0.4) | |
| 175 °C | 5.3 (±0.5) | 93 (±5) | 4686 (±16) | 4 (±0.2) | |
| 200 °C | 4.8 (±0.4) | 97 (±4) | 4936 (±28) | 3.7 (±0.1) | |
| PMMA-HC | 2.3 (±0.2) | 65 (±5) | 3632 (±23) | 5.4 (±0.4) | |
| PMMA-pressed | 2.2 (±0.1) | 68 (±9) | 3784 (±29) | 5.5 (±0.4) | |
PEEK: PolyEtherEtherKetone.
PMMA: Polymethylmethacrylate.
HC: Heat-cured.