Official Journal of the Japan Wood Research Society
Table 1 Measured values of the thermal expansion coefficients of different wood species according to previous studies
From: Thermal expansion of wood at different equilibrium moisture contents
Author | Year | Species | αlon (10−6 K-1) | αrad (10−6 K-1) | αtan (10−6 K-1) | αtrasv (10−6 K-1) | MC |
|---|---|---|---|---|---|---|---|
Villari | 1868 | Boxwood | 2.6 | / | / | 61.4 | Dry |
Villari | 1868 | Silver fir | 3.7 | / | / | 58.4 | Dry |
Villari | 1868 | Oak | 4.9 | / | / | 54.4 | Dry |
Villari | 1868 | Pine | 5.4 | / | / | 34.1 | Dry |
Hendershot | 1924 | White pine | 3.65 | / | / | 63.6 | Dry |
Hendershot | 1924 | White pine | / | / | / | 72.7 | 4% MC |
Hendershot | 1924 | White pine | 4.00 | / | / | / | 5% MC |
Hendershot | 1924 | Basswood | 5.46 | / | / | 44.4 | Dry |
Hendershot | 1924 | Tulip poplar | 5.95 | / | / | 42.9 | Dry |
Hendershot | 1924 | Hard maple | 4.22 | / | / | 60.2 | Dry |
Hendershot | 1924 | White ash | 11.00 | / | / | 45.8 | Dry |
Weatherwax | 1956 | Sitka spruce | 3.52 | 23.9 | 34.6 | / | Dry 0/50 °C |
Weatherwax | 1956 | Sitka spruce | 3.15 | 23.8 | 32.3 | / | Dry − 50/50 °C |
Weatherwax | 1956 | White fir | 3.90 | 21.7 | 31.6 | / | Dry 0/50 °C |
Weatherwax | 1956 | White fir | 3.34 | 21.8 | 32.6 | / | Dry − 50/50 °C |
Weatherwax | 1956 | Douglas fir | 3.52 | 27.1 | 45.0 | / | Dry 0/50 °C |
Weatherwax | 1956 | Douglas fir | 3.16 | 27.9 | 42.7 | Dry − 50/50 °C | |
Kubler | 1973 | Redwood | 6 | 21 | 28 | / | Dry 0/50 °C |
Kubler | 1973 | Redwood | 7 | 31 | 53 | / | 12% MC 0/50 °C |
Kubler | 1973 | Redwood | − 4 | − 5 | − 12 | / | MC > 60% 0/50 °C |
Kubler | 1973 | Douglas fir | 6 | 24 | 29 | / | Dry 0/50 °C |
Kubler | 1973 | Douglas fir | 10 | 38 | 38 | / | 12% MC 0/50 °C |
Kubler | 1973 | Douglas fir | 10 | 9 | 9 | / | MC > 60% 0/50 °C |
Kubler | 1973 | Red oak | 9 | 26 | 32 | / | Dry 0/50 °C |
Kubler | 1973 | Red oak | 8 | 44 | 70 | / | 12% MC 0/50 °C |
Kubler | 1973 | Red oak | 0.3 | 0 | 0 | / | MC > 60% 0/50 °C |
Salmén | 1990 | Norway spruce | / | − 32 | / | / | FSP T < 63 °C |
Salmén | 1990 | Norway spruce | / | 6 | / | / | FSP T > 63 °C |
Pizzo | 2002 | Norway spruce | < 2 | / | / | 27.7 | 12% MC |
Pizzo | 2002 | Iroko | < 2 | / | / | 31.9 | 12% MC |
Wood handbook | 2010 | Norway spruce | 3.1/4.5 | 23.56 | 32.06 | 27.81 | Dry G0 = 422 kg m−3 calculated value |