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Official Journal of the Japan Wood Research Society

Journal of Wood Science Cover Image

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