Simona Gauronskaitė, V. Dobilaitė, M. Jucienė, D. Albrektas
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EFFECT OF OPEN-HOLES ON MECHANICAL PROPERTIES OF WOOD COMPOSITE MATERIALS
A few variations of open-holes in wood-based pieces, particle board and plywood were modeled in this article. The modulus of elasticity and the coefficient of damping for these pieces were determined using static and dynamic methods and the effect of holes of different quantity and size on mechanical properties were evaluated. As regards to wood particle boards, it was found that the modulus of elasticity decreased to10% after drilling holes, and the coefficient of damping increased to 13%. With regard to plywood pieces these changes were up to 14.5% and up to 21.5%, respectively.
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