Table 3 Strength calculation of all direct tensile tests
Group | No. | Peck load (N) | Strength (MPa) |
|---|---|---|---|
A (one layer of fabric) | 1 | 3050.79 | 381.35 |
2 | 2382.26 | 297.78 | |
3 | 2000.81 | 250.10 | |
4 | 2697.53 | 337.19 | |
5 | 2738.13 | 342.27 | |
Avg | 2573.90 | 321.74 | |
B (one layer of fabric inside matrix) | 1 | 2371.37 | 296.42 |
2 | 3239.58 | 404.95 | |
3 | 2731.12 | 341.39 | |
4 | 2612.30 | 326.54 | |
5 | 2695.02 | 336.88 | |
Avg | 2729.88 | 341.23 | |
C (two layers of fabric inside matrix) | 1 | 4383.08 | 273.94 |
2 | 5684.14 | 355.26 | |
3 | 5081.63 | 317.60 | |
4 | 4945.75 | 309.11 | |
5 | 5249.56 | 328.10 | |
Avg | 5068.83 | 316.80 | |
The average strength of all specimens | 326.59 | ||