Table 5: The elastic constants data for hardwoods.

S. no. Species

1 Quipo 0.1 0.045 0.251 1.075 0.027 0.033 0.025 0.226 0.118 0.078
2 Quipo 0.2 0.159 0.427 3.446 0.069 0.131 0.178 0.430 0.280 0.144
3 White 0.38 0.547 1.192 10.041 0.399 0.360 0.555 1.442 1.344 0.022
4 Khaya 0.44 0.631 1.381 10.725 0.389 0.520 0.662 1.800 1.196 0.420
5 Mahogany 0.50 0.952 1.575 11.996 0.571 0.682 0.790 1.960 1.498 0.638
6 Mahogany 0.53 0.765 1.538 13.010 0.655 0.631 0.841 1.218 0.938 0.300
7 S. Germ 0.54 0.772 1.772 12.240 0.558 0.530 0.871 2.318 1.582 0.540
8 Maple 0.58 1.451 2.565 11.492 1.197 1.267 1.818 2.460 2.194 0.584
9 Walnut 0.59 0.927 1.760 12.432 0.707 0.936 1.312 1.922 1.400 0.460
10 Birch 0.62 0.898 1.623 1.7173 0.671 0.714 1.075 2.346 1.816 0.372
11 Y. Birch 0.64 1.084 1.697 15.288 0.777 0.883 1.191 2.120 1.942 0.480
12 Oak 0.67 1.350 2.983 16.958 1.007 1.005 1.463 2.380 1.532 0.784
13 Ash 0.68 1.135 2.142 16.958 0.827 0.917 1.427 2.684 1.784 0.540
14 Ash 0.80 1.439 2.439 17.000 1.037 1.485 1.968 1.720 1.218 0.500
15 Beech 0.74 1.659 3.301 15.437 1.279 1.433 2.142 3.216 2.112 0.912

Source: this data is consulted from [47, 48]. The number of repetitions of the particular species in this table shows the number of measurements done for that particular wood species. The units of (bulk or apparent density) are g/cm3 and the units of elastic constants are GPa =  dynes/cm2.