Skip to main content

Advertisement

Official Journal of the Japan Wood Research Society

Journal of Wood Science Cover Image

Table 3 The apparent activation energy (ΔEα and ΔEβ) at 0.5–10 Hz with coefficient of determination (R2α and R2β) for specimens with different moisture content (MC) in all orthotropic directions

From: Moisture-dependent orthotropic viscoelastic properties of Chinese fir wood in low temperature environment

MC (%) ΔEα (kJ/mol) R 2 α ΔEβ (kJ/mol) R 2 β
0.6     
 L 60.0 0.95
 R 244.3 0.91 57.2 0.98
 T 260.8 0.99 56.5 0.99
3.5     
 L 68.3 0.97
 R 242.7 0.96 67.1 0.97
 T 250.8 0.90 66.7 0.97
6.0     
 L 61.7 0.92
 R 204.1 0.99 59.5 0.99
 T 203.3 0.95 58.1 0.99
9.3     
 L 59.1 0.95
 R 199.9 0.99 57.3 0.95
 T 196.5 0.96 56.0 0.99
14.1     
 L 57.6 0.99
 R 197.0 0.99 52.0 0.91
 T 186.7 0.95 46.3 0.89
22.0     
 L 54.1 0.88
 R 145.4 0.97 48.4 0.95
 T 154.9 0.99 45.6 0.98
  1. ΔEα, ΔEβ the apparent activation energy of α and β-relaxation processes, R2α, R2β the coefficient of determination for α and β-relaxation processes