Analysis of the correlation between selected wood properties among each other and the density of 103 wood species
2003
Niemz, P. | Sonderegger, W. (ETH Zuerich, Zuerich (Switzerland). Departement Forstwissenschaften, Professur Holzwissenschaften)
Several correlations of the properties of 103 wood species published in the technical literature (SELL 1989) were calculated and the influence of their structure was determined. In all investigated wood species a good correlation exists between the density and the physical-mechanical properties. Overall, however, some wood species diverge significantly from the general tendency. Yew and black locust, for example, have a significantly higher impact strength than other wood species with approximately equal densities. The average tangential/radial ratio of swelling for all investigated wood species is 1.7 but individual ratios range from 1.1 (ebony) to 2.75 (western red cedar). A specific analysis of the differing values and the particular wood structures involved may give essential information for the specific use of such properties.
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