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Journal of Wood Science

Official Journal of the Japan Wood Research Society

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Evaluation of the weathering intensity of wood-based panels under outdoor exposure

Journal of Wood Science volume 57, pages 408–414 (2011)Cite this article

Abstract

In this study, the deterioration of wood-based panels at eight sites in Japan was investigated using outdoor exposure tests. In particular, the modulus of rupture (MOR) retention and internal bond strength (IB) retention after 5-year exposures were compared among panels and sites. The deterioration of panels located in southern Japan was higher than that of panels in northern Japan. To quantify the regional differences, the deterioration rates were calculated; the values showed clear regional differences. The deterioration rate for areas that receive much rain in the summer was higher than the rates for other sites. To eliminate regional differences, we carried out an analysis in terms of the “weathering intensity,” a factor which combines weather conditions (precipitation and temperature). Panels for which deterioration progressed extensively during exposure periods showed a strong correlation between strength retention and the weathering intensity. The significance of these parameters is discussed.

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Authors and Affiliations

  1. Faculty of Agriculture, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan

    Yoichi Kojima, Tomoya Shimoda & Shigehiko Suzuki

Authors
  1. Yoichi Kojima
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  2. Tomoya Shimoda
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  3. Shigehiko Suzuki
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Correspondence to Yoichi Kojima.

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Kojima, Y., Shimoda, T. & Suzuki, S. Evaluation of the weathering intensity of wood-based panels under outdoor exposure. J Wood Sci 57, 408–414 (2011). https://doi.org/10.1007/s10086-011-1197-7

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  • DOI: https://doi.org/10.1007/s10086-011-1197-7

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