Official Journal of the Japan Wood Research Society
Table 2 The recovery rate, MOE and MOR at different compression speed
Speed (mm/min) | N | Recovery rate | MOR | MOE | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Mean (%) | SD (%) | RET (%) | Mean (MPa) | SD (MPa) | RET (%) | Mean (GPa) | SD (GPa) | RET (%) | ||
Poplar | ||||||||||
Controlled | 14 | 100.0 | 86.0 | 11.2 | 100.0 | 9.0 | 1.7 | 100.0 | ||
0.5 | 15 | 73.3 | 7.8 | 73.3 | 94.5 | 15.7 | 109.9 | 10.2 | 1.9 | 114.4 |
1 | 15 | 74.4 | 5.6 | 74.4 | 88.9 | 11.0 | 103.4 | 9.6 | 1.7 | 107.2 |
3 | 15 | 81.5 | 8.0 | 81.5 | 83.7 | 13.3 | 97.4 | 8.7 | 1.6 | 96.7 |
5 | 15 | 81.0 | 5.7 | 81.0 | 76.6 | 15.8 | 89.1 | 8.4 | 2.3 | 93.8 |
10 | 15 | 78.5 | 4.6 | 78.5 | 71.5 | 13.7 | 83.1 | 8.5 | 1.8 | 95.3 |
Chinese fir | ||||||||||
Controlled | 15 | 100.0 | 71.3 | 9.6 | 100.0 | 9.1 | 1.1 | 100.0 | ||
0.5 | 15 | 91.5 | 3.0 | 91.5 | 66.4 | 12.4 | 93.0 | 9.1 | 1.6 | 99.4 |
1 | 15 | 89.8 | 2.8 | 89.8 | 62.9 | 7.2 | 88.1 | 8.5 | 0.7 | 92.5 |
3 | 15 | 87.5 | 3.4 | 87.5 | 70.9 | 13.2 | 99.5 | 9.7 | 1.7 | 106.4 |
5 | 15 | 89.1 | 3.5 | 89.1 | 76.9 | 7.1 | 107.8 | 10.2 | 1.4 | 111.4 |
10 | 15 | 88.0 | 1.9 | 88.0 | 73.1 | 13.9 | 102.5 | 10.2 | 2.7 | 111.3 |