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Influence of moisture content of wood on sound velocity and dynamic MOE of natural frequency- and ultrasonic runtime measurement

Abstract : This study comprises the analysis of the influence of the moisture content of wood on the dynamic properties-- and (considering the density)--of green and dry sawn timber. The main objective was to find applicable functions or factors for the adjustment of the determined properties on the reference condition (moisture content =12%) for the moisture content range below and above fiber saturation. Therefore, two dynamic measurement methods--measurement of the natural frequency and ultrasonic runtime--were considered. Possible differences in the results, pros and cons of both methods should be identified on the one hand. On the other hand, the applicability of already published moisture adjustments to the given data of both methods should be proved.
Keywords : Physical Sciences
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Submitted on : Friday, May 20, 2011 - 3:13:28 AM
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Helene Unterwieser, Gerhard Schickhofer. Influence of moisture content of wood on sound velocity and dynamic MOE of natural frequency- and ultrasonic runtime measurement. European Journal of Wood and Wood Products, Springer Verlag, 2010, 69 (2), pp.171-181. ⟨10.1007/s00107-010-0417-y⟩. ⟨hal-00594483⟩

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