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- Title
THE DECAY RESISTANCE OF FOUR HYDROTHERMALLY TREATED HARDWOOD SPECIES.
- Authors
Vidholdová, Zuzana; Slabejová, Gabriela
- Abstract
Studies on the durability of European beech (Fagus sylvatica), alder (Alnus glutinosa), paper birch (Betula papyrifera), and Norway maple wood (Acer pseudoplatanus) after hydrothermal treatment in saturated water were carried out. Treatment of hardwoods was performed at two temperatures of 105 and 135°C for 6 hours. Fungal resistance was tested in the laboratory conditions with brown rot fungi Serpula lacrymans, Gloeophyllum trabeum and white-rot fungus Trametes versicolor. Half-specimens from each species were leached in accordance with STN EN 84 prior to the test. The results of decay resistance tests showed strong susceptibility of hydrothermally treated hardwood species to brown and white rot caused by basidiomycete fungi. In all cases, the mass loss was greater than 20%, and the moisture content significantly exceeded the fibre saturation point, above the level required for a fungal attack. Leaching had an insignificant effect on fungal resistance. All hardwoods were classified as non-durable species.
- Subjects
HARDWOODS; EUROPEAN beech; PAPER birch; BASIDIOMYCETES; MYCOSES
- Publication
Acta Facultatis Xylologiae Zvolen, 2022, Vol 64, Issue 2, p17
- ISSN
1336-3824
- Publication type
Article
- DOI
10.17423/afx.2022.64.2.02