Browsing by Author "Aydoğan H."

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    The tensile shear strength of outdoor type plywood produced from fir, alnus, pine and poplar wood
    (2019-01-01) Öncel M.; Vurdu H.; Aydoğan H.; Özkan O.; Kaymakci A.
    In this study, it is aimed to determine both the tensile-shear strengths of plywood that produced by using phenol formaldehyde resin from Uludağ fir (Abies nordmanniana subsp. bornmülleriana Mattf.), alder (Alnus glutinosa L.), scots pine (Pinus sylvestris L.) and Samsun poplar (77/51 Populus deltoides Bartr.) trees rotary cut veneers combinations of poplar-pine, poplar-fir, poplar-alder and poplar wood along with the effect of wood types on adhesion quality of glue. According to standards TS 3969 EN 314-1, and TS EN 314-2 adhesion class 3, the test specimens were prepared and tested for the adhesion quality. The obtained data were analyzed statistically by using SPSS 22 statistical program. As a result, the tensile-shear strength values of poplar, pine-poplar, fir- poplar and alder-poplar plywood types were found to be as averages 1.34 N.mm-2, 1.66 N.mm-2, 2.18 N.mm-2 and 2.46 N.mm-2 respectively. Also, it was found that there was no significant difference between the alder poplar and fir-poplar plywood types about tensile-shear strength. Since these all plywood combinations are satisfied the required 1 N.mm-2 strength value according to TS EN 314-2, all plywood types in this study are of suitable quality for outdoor uses.