Production and properties of wood-welded panels made from two Canadian hardwoods

Abstract : This study examines the suitability of wood welding technology for producing composite panels for furniture applications with two Canadian hardwood species, sugar maple (Acer saccharum) and yellow birch (Betula alleghaniensis). For each species, twelve 30 x 225 x 300 mm(3) panels were manufactured using a panelling machine specifically designed for rotational wood-dowel welding with optimized parameters obtained from a previous study. Six edge-glued panels of the same size were manufactured from each species using a non-structural polyvinyl acetate adhesive and tested for comparative purposes. The experimental programme included three-point bending at 255-mm span and visual inspection of the panels to assess performance at standard moisture conditions and after an ageing cycle with variable relative humidity. Average breaking load of 1.79 and 1.70 kN was obtained at standard moisture conditions for welded panels of yellow birch and sugar maple, respectively. Fractures consistently occurred in the dowel's cross section, whereas no slippage was observed along the welded interface. Delamination between wood slats occurred after the ageing cycle, but did not affect the bending properties. Results confirm the suitability of wood-dowel welding for producing furniture panelling with Canadian hardwood species. Further research is needed to design panels with a more efficient position and use of welded dowels and with panel product properties that are comparable or superior to those of glued counterparts.
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Wood Science and Technology, Springer Verlag, 2013, 47 (5), pp.1005-1018. 〈10.1007/s00226-013-0554-7〉
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https://hal.univ-lorraine.fr/hal-01593765
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Soumis le : mardi 26 septembre 2017 - 16:25:46
Dernière modification le : mardi 20 mars 2018 - 10:17:59

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B. Belleville, T. Stevanovic, A. Cloutier, A. Pizzi, A. Salenikovich, et al.. Production and properties of wood-welded panels made from two Canadian hardwoods. Wood Science and Technology, Springer Verlag, 2013, 47 (5), pp.1005-1018. 〈10.1007/s00226-013-0554-7〉. 〈hal-01593765〉

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