Official Journal of the Japan Wood Research Society
Table 2 Values of radial thermal expansion coefficient (αr) at 7.0 and 11.4% moisture contents
From: Thermal expansion of wood at different equilibrium moisture contents
Moisture content | 7.0% | 11.4% | |
T range (°C) | 20 °C → 45 °C | 20 °C → 45 °C | |
RH range (%) | 35% → 41% | 65% → 71% |
Specimen number | Specimen ID | αr (10−6 K-1) | αr (10−6 K-1) |
|---|---|---|---|
1 | A03 | 32.2 | 33 |
2 | A05 | 34.7 | 32.3 |
3 | A07 | 31.1 | 31.1 |
4 | A09 | 27.1 | 31.9 |
5 | A11 | 29.9 | 35.1 |
6 | A12 | 30.9 | 30.7 |
7 | A13 | 30.1 | 28.6 |
8 | A14 | 32.5 | 36 |
9 | A15 | 31.2 | 28.5 |
10 | A16 | 28.9 | 31.2 |
Average | 30.9 | 31.8 | |
SD | 2.1 | 2.4 |