Using acoustic testing to estimate strength and stiffness of wood-polymer composites
Éverton Hillig,
Ignacio Bobadilla,
Francisco Arriaga
et al.
Abstract:This study used non-destructive testing with ultrasonic and stress wave propagation to evaluate bending strength and stiffness of wood-polymer composites. Twelve composite plate products were produced with different formulations of polymer matrix (high- and low-density polyethylene and polypropylene) and type and proportion of flour (coconut shell and wood). Mechanical and acoustic properties were influenced primarily by the type of matrix used in the composite. The greater the proportion of wood and coconut s… Show more
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