Dimensions of 3PB specimens and fracture toughness results
| Specimen | Measurement | Calculation | |||||
|---|---|---|---|---|---|---|---|
| No. | Thickness B (mm) | Width W (mm) | Span S (mm) | Length L (mm) | Maximum force Fmax (N) | Provisional force FQ (N) | Provisional fracture toughness KQ (MPa√m) |
| 1 | 12.12 | 23.98 | 96.00 | 112.83 | 3,834 | 1,700 | 11.926 |
| 2 | 12.11 | 23.90 | 96.00 | 112.91 | 3,845 | 1,719 | 12.211 |
| 3 | 12.12 | 24.07 | 96.00 | 112.54 | 3,781 | 1,689 | 11.694 |
| Specimen | Measurement | Calculation | |||||
|---|---|---|---|---|---|---|---|
| No. | Thickness | Width | Span | Length | Maximum force | Provisional force | Provisional fracture toughness |
| 1 | 12.12 | 23.98 | 96.00 | 112.83 | 3,834 | 1,700 | 11.926 |
| 2 | 12.11 | 23.90 | 96.00 | 112.91 | 3,845 | 1,719 | 12.211 |
| 3 | 12.12 | 24.07 | 96.00 | 112.54 | 3,781 | 1,689 | 11.694 |
Source(s): Authors’ own work
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