Abstract
Surfaces created by ultrasonic-assisted cutting (UC) of beech and spruce and of medium density fibreboard (MDF) are compared to surfaces obtained by conventional linear cutting (CC) using a sharp tool. Topography is evaluated performing roughness measurements and scanning electron microscopy. No effect of UC procedure on mean roughness is found. The surface of MDF and large areas of the surfaces of the woods appear similar after UC and CC, whereas other regions show impact marks and microscopic reels produced by the periodic oscillation of the tool in UC. The wettability of surfaces produced with both wood processing techniques is similar. Surface free energy measurements indicate accelerated ageing caused by UC, probably due to heating.
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Sinn, G., Mayer, H. & Stanzl-Tschegg, S. Surface properties of wood and MDF after ultrasonic-assisted cutting. J Mater Sci 40, 4325–4332 (2005). https://doi.org/10.1007/s10853-005-1995-7
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DOI: https://doi.org/10.1007/s10853-005-1995-7