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Maderas. Ciencia y tecnología

versión On-line ISSN 0718-221X

Resumen

MOLIńSKI, Waldemar et al. Mechanical parameters of thermally modified ash wood determined by compression in radial direction. Maderas, Cienc. tecnol. [online]. 2016, vol.18, n.4, pp.577-586. ISSN 0718-221X.  http://dx.doi.org/10.4067/S0718-221X2016005000050.

Mechanical parameters of ash wood (Fraxinus excelsior) subjected to compression in radial direction, before and after its thermal modification and measured at moisture content close to the equilibrium moisture content of wood exposed in and outside (4 and 12%) were compared. Thermal modification of wood was performed at 190°C or 200°C for 2 h in industrial conditions. During the measurements, the moisture content of the modified and control samples was identical. The parameters compared included: modulus of elasticity, stress at proportionality limit, relative linear strain at proportionality limit and accumulated elastic energy. Changes in the mechanical parameters of wood induced by its thermal modification were found to depend on the modification temperature and wood moisture content.

Palabras clave : Fraxinus excelsior; mechanical properties; Thermowood; wood density; wood modification.

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