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Dynamic properties of three types of wood-based composites
Journal of Wood Science volume 51, pages 7–12 (2005)
Abstract
This study used a vibration test method to show that grain angles of face veneer have substantial effects on sound velocities and dynamic Young’s moduli of three types of wood-based composites. The sound velocity at 0° grain angle of face veneer was the highest, and it decreased with increasing grain angle in the range of 0° to 90°. This tendency was similar to that for dynamic Young’s modulus. The relationship between the grain angle of face veneer and the sound velocity of three types of wood-based composites can be expressed in the form of Hankinson’s equation or a second-order parabolic equation. This study also showed that the application of orthotropic elasticity theory was valid for the three types of wood-based composites. The relationship between the grain angle of the face veneer and the Young’s modulus of three types of wood-based composites can be expressed in the form of the Jenkin equation, Hankinson’s equation, or a second-order parabolic equation. Rule of mixture can also be used to predict the Young’s modulus of wood-based composite from the Young’s moduli of the two elements.
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Part of this study was presented at the 53rd Annual Meeting of the Japan Wood Research Society, Fukuoka, Japan, March 2003 and the 15th Annual Meeting of Chugoku Shikoku Branch of the Japan Wood Research Society, Higashi-Hiroshima, Japan, September 2003
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Hu, Y., Nakao, T., Nakai, T. et al. Dynamic properties of three types of wood-based composites. J Wood Sci 51, 7–12 (2005). https://doi.org/10.1007/s10086-003-0614-y
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DOI: https://doi.org/10.1007/s10086-003-0614-y