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Bending Characteristics of Laminated Wood Composites Made of Poplar Wood and GFRP
(Zagreb Univ, Fac Forestry, 2021) Yildrim, Mehmet Nuri; Karaman, Abdurrahman; Zor, Mustafa
In this study, 4 layers of 5 mm thick slats obtained by sawing method from poplar wood were used. Plain woven GRFP with low density and grammage of 100 g/m(2) (Type I) and plain woven GRFP with high density and grammage of 200 g/m(2) (Type 2) were placed and glued between each layer. Polyvinyl acetate (PLAc-D4), Polyurethane (PU) and dual-component Epoxy (L285-resin and 1-1285-hardener) adhesives were used for gluing the layers. Strength values (bending and modulus of elasticity) between the obtained layers were investigated. As a result of the study, it was determined that epoxy glue has higher strength than polyurethane and polyvinyl acetate glues; Type 2 plain woven fabric has higher strength than Type I plain woven fabric; and parallel load to the glue line results in higher performance than perpendicular load to the glue line.