Sample | Perimeter (µm) | Area (µm2) | Circularity |
---|---|---|---|
Spruce—untreated | 76 ± 28 | 414 ± 260 | 0.79 ± 0.11 |
Spruce—170 °C | 72 ± 26 | 347 ± 224 | 0.76 ± 0.11 |
Spruce—190 °C | 68 ± 29 | 270 ± 190 | 0.66 ± 0.13 |
Spruce—210 °C* | 73 ± 34 | 280 ± 201 | 0.62 ± 0.16 |
Beechwood—untreated | 146 ± 53 | 1309 ± 796 | 0.71 ± 0.13 |
Beechwood—170 °C | 145 ± 50 | 1396 ± 889 | 0.74 ± 0.11 |
Beechwood—190 °C | 143 ± 46 | 1292 ± 750 | 0.73 ± 0.11 |
Beechwood—210 °C | 134 ± 48 | 776 ± 546 | 0.50 ± 0.13 |