Physical properties of burnt timber, with special focus on the drying performance |
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Authors: | Martina Meincken Norman H Smit Dieter Steinmann |
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Affiliation: | 1. Department of Forest and Wood Science, University of Stellenbosch, Private Bag X1, Matieland, 7602, Stellenbosch, South Africa
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Abstract: | Burnt wood has been found to perform different from sound (green) wood when dried together, but also with regards to other physical and mechanical properties. In this study the drying performance of wood burnt to different degrees in recent plantation fires was investigated, and the physical, chemical and wood anatomical properties of these different wood types were determined. Different cell structure and chemical composition due to thermal degradation could be observed as well as different drying performance and variation in mechanical properties. An explanation for the deviant drying performance was attempted with the observed structural changes. |
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