Official Journal of the Japan Wood Research Society
Table 5 Average value and SD of fn and tanδF for various AEs
Adhesive name | Avg./SD | Resonance frequency (Hz) | tanδF | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
f1 | f2 | f3 | f4 | f5 | f1 | f2 | f3 | f4 | f5 | ||
Ac-65 | Avg. | 112.3 | 289.8 | 550.2 | 849.6 | – | 0.147 | 0.142 | 0.134 | 0.146 | – |
SD | 7.5 | 21.5 | 49.3 | 73.1 | – | 0.0463 | 0.0384 | 0.0306 | 0.0147 | – | |
Ac-15 | Avg. | 153.5 | 417.5 | 842.1 | – | – | 0.283 | 0.188 | 0.140 | – | – |
SD | 8.1 | 16.2 | 34.3 | – | – | 0.0775 | 0.0471 | 0.0158 | – | – | |
Ac13 | Avg. | 252.3 | 673.1 | 1272.3 | 2002.3 | 2836.5 | 0.029 | 0.028 | 0.026 | 0.026 | 0.022 |
SD | 5.0 | 9.0 | 16.4 | 22.9 | 37.3 | 0.0011 | 0.0011 | 0.0032 | 0.0011 | 0.0019 | |
Ac41 | Avg. | 232.1 | 615.0 | 1162.2 | 1836.9 | 2620.8 | 0.021 | 0.021 | 0.024 | 0.022 | 0.023 |
SD | 11.0 | 24.6 | 49.7 | 69.7 | 97.0 | 0.0006 | 0.0006 | 0.0041 | 0.0008 | 0.0026 | |
Ac90 | Avg. | 209.2 | 558.8 | 1062.1 | 1684.4 | 2406.0 | 0.023 | 0.021 | 0.023 | 0.022 | 0.022 |
SD | 7.3 | 20.4 | 40.6 | 63.1 | 84.1 | 0.0011 | 0.0014 | 0.0023 | 0.0017 | 0.0013 | |
Ac-65/90 | Avg. | 197.5 | 524.4 | 1009.4 | 1608.8 | 2324.4 | 0.027 | 0.029 | 0.029 | 0.030 | 0.029 |
SD | 11.7 | 33.8 | 66.8 | 100.8 | 151.3 | 0.0009 | 0.0006 | 0.0038 | 0.0035 | 0.0017 | |
Ac-65/13/90 | Avg. | 225.6 | 610.0 | 1165.0 | 1848.8 | 2640.7 | 0.022 | 0.022 | 0.025 | 0.023 | 0.023 |
SD | 6.8 | 20.8 | 38.5 | 61.5 | 94.2 | 0.0003 | 0.0003 | 0.0024 | 0.0006 | 0.0017 | |
UF | Avg. | 205.6 | 551.9 | 1059.6 | 1695.6 | 2455.3 | 0.022 | 0.021 | 0.025 | 0.021 | 0.021 |
SD | 8.1 | 15.6 | 29.9 | 44.5 | 60.0 | 0.0005 | 0.0003 | 0.0018 | 0.0003 | 0.0006 | |