Table 5 Summary of mechanical strength
YT | GT | PT | WT | |
|---|---|---|---|---|
Compression test | ||||
Stone's strength in the parallel to lamination orientation | ||||
Average strength (MPa) | 91.83 | 96.88 | 93.03 | 117.26 |
Strength standard deviation (Mpa) | ± 30.49 | ± 15.07 | ± 12.65 | ± 13.29 |
Strength variation coefficient | 0.332 | 0.155 | 0.136 | 0.113 |
Stone's strength in the normal to lamination orientation | ||||
Average strength (MPa) | 79.61 | 83.17 | 51.09 | 43.78 |
Strength standard deviation (Mpa) | ± 16.82 | ± 15.14 | ± 12.28 | ± 11.98 |
Strength variation coefficient | 0.211 | 0.181 | 0.240 | 0.273 |
Bend test | ||||
Stone's strength in the parallel to lamination orientation | ||||
Average strength (MPa) | 10.62 | 10.61 | 10.36 | 7.06 |
Strength standard deviation (Mpa) | ± 5.50 | ± 1.02 | ± 1.21 | ± 5.62 |
Strength variation coefficient | 0.518 | 0.096 | 0.116 | 0.795 |
Stone's strength in the normal to lamination orientation | ||||
Average strength (MPa) | 11.70 | 10.31 | 6.47 | 9.69 |
Strength standard deviation (Mpa) | ± 6.01 | ± 57.59 | ± 2.03 | ± 2.34 |
Strength variation coefficient | 0.513 | 1.527 | 0.261 | 0.200 |