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European Journal of Wood and Wood Products

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01-05-2014 | Original

Characterization of properties of oriented strand boards from beech and poplar

Authors: Ali Akrami, Marius C. Barbu, Arno Fruehwald

Published in: European Journal of Wood and Wood Products | Issue 3/2014

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Abstract

The aim of this study was to evaluate the possibility of using European beech and poplar species to manufacture oriented strand boards (OSB). Beech and poplar strands with three different combinations of face/core ratios at densities of 650 and 720 kg/m³ were examined. Poly methylene diphenyl diisocyanate glue at 5 % was used with press conditions of 180 °C and 240 s. Findings showed that with increasing density the physical and mechanical properties of the different OSB combinations generally improved. Panels made of 60 % beech in face layers showed higher modulus of rupture and modulus of elasticity. Internal bond strength rose as the amount of beech strands in the core layer increased. Panels with 75 % beech strands in the core layer showed the maximum internal bond strength at 720 kg/m³. It was also observed that increasing the amount of beech in the core layer from 40 to 75 % decreased thickness swelling at both densities.

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Title: Characterization of properties of oriented strand boards from beech and poplar
Authors: Ali Akrami
Marius C. Barbu
Arno Fruehwald
Publication date: 01-05-2014
Publisher: Springer Berlin Heidelberg
Published in: European Journal of Wood and Wood Products / Issue 3/2014
Print ISSN: 0018-3768
Electronic ISSN: 1436-736X
DOI: https://doi.org/10.1007/s00107-014-0793-9

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