Res. Agr. Eng., 2015, 61(3):134-139 | DOI: 10.17221/8/2014-RAE

Bonding of woodOriginal Paper

M. Brožek
Department of Material Science and Manufacturing Technology, Faculty of Engineering, Czech University of Life Sciences Prague, Prague, Czech Republic

The paper presents the results of strength tests of joints made using six different adhesives destined by their producers for bonding wood. Bonded samples were made from seven sorts of wood commonly growing in the Czech Republic, namely ash, beach, cherry, maple, pine, spruce and walnut. From semi-products (boards, planks, squared timber logs) the test samples of dimensions 25 × 100 mm and 4 mm thickness were cut out in the direction of year rings. Always two samples were bonded together so that their overlap was of 12.5 mm. All these assemblies were loaded using the universal testing machine up to their rupture. The rupture force and the rupture type (rupture in the joint, in the bonded material) were registered. The aim of the tests was to assess the influence of the used adhesive on the bonded joint strength at different woods, to assess the variability of the adhesive consumption at the manual adhesive application by different workers and to determine costs for bonding of different woods using different adhesives. From the results it follows that between six tested adhesives used for bonding of seven sorts of wood, considerable differences exist not only as regards their price, but also their quality. From the results it also follows that the manual adhesive application is very unequal, because it depends on the dexterity and care of the worker. Next, the costs for bonding of different woods using different adhesives were determined.

Keywords: adhesive bonding; laboratory tests; bonded joints testing

Published: September 30, 2015  Show citation

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Brožek M. Bonding of wood. Res. Agr. Eng. 2015;61(3):134-139. doi: 10.17221/8/2014-RAE.
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