Abstract
Investigation of round Scots pine wood WC01 class using X-ray computer tomography. Scots pine is the most widespread type of wood in Poland with wide industrial use. The typical starting material used for the production of layered floor elements are logs of WC01 class (class according to the Polish Standard PN-D-95008: 1992 and Order no 72 - GM-900-5 / 2013 of General Director of the State Forests in Poland). Using X-ray computed tomography, tests of fresh wood in the bark were carried out, confirming the full suitability of this technique for the precise assessment of wood density as well as its grain and distribution of anatomical defects (knots). The different level of humidity of sapwood and heartwood in fresh wood is visible in tomographic images and translates into a much higher recorded density of the wetter zone of sapwood. Calibration of the tomograph used made it possible to convert the Hounsfield density scale into actual densities expressed in kg/m3.
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