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Effect of high-temperature drying on properties of Norway spruce and larch

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Author

Summary, in English

In timber drying, mechanical properties may be changed due to treatment temperature and treatment duration. In general, when increasing the kiln temperature, drying time is decreased and some timber properties are negatively affected. In this study, the effect of different drying temperatures (80, 120 and 170 degrees C) on equilibrium moisture content and sorption rate, on bending strength and stiffness was investigated for Norway spruce and larch from four proveniences and the results were compared to those obtained for heat-treated wood (Thermowood(R)). The experiments confirm earlier research that both treatment temperature and treatment duration affect the properties. High-temperature drying or treatment can be optimized for several applications, yielding strong but not so durable timber or vice versa.

Publishing year

2007

Language

English

Pages

411-418

Publication/Series

European Journal of Wood and Wood Products

Volume

65

Issue

6

Document type

Journal article

Publisher

Springer

Topic

  • Building Technologies

Keywords

  • KSTRWood

Status

Published

ISBN/ISSN/Other

  • ISSN: 0018-3768