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Deformation and Surface Color Changes of Beech and Oak Wood Lamellas Resulting from the Drying Process
Abstract
The drying process was examined relative to parameters’ influence on the deformation and surface layer color changes of beech wood (Fagus sylvatica L.) and oak wood (Quercus robur L.). The goal was to analyze the impact of drying process conditions, wood and growth rings types, and load on the deformation and surface color changes of drying thin wooden elements. A further aim was to reduce the time of the lamella drying and minimize wood products defects. During each drying, 40 pieces of wood were dried, divided into two groups. For the first group, 30 pieces were dried under a uniformly distributed load of approximately 50 kg, while for the second group, 10 samples were dried without weight. The lamellas dried under load exhibited fewer cup, bow, and twist deformations than the lamellas dried without load. Cracks in the dried lamellas occurred comparably in those dried under and without load. Color changes in the specimens before and after drying were observed and measured. The differences in colorimetric parameters (a, b, and L) between wood without defects and with defects were less marked after drying than before drying. The color changes were only noticed in the surface layers of the specimens.
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Authors (5)
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Tatiana Vilkovská dr inż.
-
Ivan Klement doc. Ing.
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Peter Vilkovský dr inż.
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- Accepted or Published Version
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- Copyright (2020 The Authors)
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
BIORESOURCES
no. 15,
pages 8965 - 8980,
ISSN: 1930-2126 - Language:
- English
- Publication year:
- 2020
- Bibliographic description:
- Barański J., Konopka A., Vilkovská T., Klement I., Vilkovský P.: Deformation and Surface Color Changes of Beech and Oak Wood Lamellas Resulting from the Drying Process// BIORESOURCES -Vol. 15,iss. 4 (2020), s.8965-8980
- DOI:
- Digital Object Identifier (open in new tab) 10.15376/biores.15.4.8965-8980
- Verified by:
- Gdańsk University of Technology
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