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Vibrational properties of spruce plywood for musical instruments


, : Vibrational properties of spruce plywood for musical instruments. Journal of the Japan Wood Research Society 30(1): 93-97

Dynamic Young's modulus (E') and mechanical-loss tangent tan delta of five types of spruce plywood were investigated by the free flexural-vibration method in relationship to the veneer construction of the plywood, the use of different wood species of veneer for the crossbands of the plywood, lathe checks of the veneers, and glue layers of the plywood. The lathe checks and the glue layers increased the tan delta of the plywood.

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