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  • Environmentally friendly protection of European beech against fire and fungal decay using a combination of thermal modification and mineralisation [Elektronski vir]
    Repič, Rožle ...
    The demand for construction timber is continuously increasing, due to its favourable characteristics. However, the adequate protection of wood is key to its successful use, as it is flammable and ... susceptible to biodegradation. Given that thermal modification enhances the durability of wood, and mineralisation with CaCO3 considerably improves its fire properties, it is worth considering the combined effects of the two methods. European beech (Fagus sylvatica) was selected to determine the effects of a) thermal modification, b) mineralisation through the in-situ formation of CaCO3, and c) a combination of the two procedures, on resistance to decay fungi, reaction to fire and the mechanical properties of the wood. Microscopic analysis and comparisons of the samples before and after exposure to fungi were also conducted. Mineralised wood generally had a slightly alkaline pH value and higher equilibrium moisture content, while thermal modification lowered the equilibrium moisture content. The present study demonstrated the combined effect of thermal modification and mineralisation: the best response to fire as well as resistance to fungi was achieved when the two treatments were combined. Results from the Brinell hardness and three-point bending tests indicate that both modification procedures can slightly impair the mechanical properties of the wood.
    Source: Wood material science & engineering. - ISSN 1748-0280 (Vol. 19, iss. 1, 2024, str. 33-44)
    Type of material - e-article ; adult, serious
    Publish date - 2024
    Language - english
    COBISS.SI-ID - 157967107

    Link(s):

    https://www.tandfonline.com/doi/full/10.1080/17480272.2023.2223508
    Repository of the University of Ljubljana – RUL
    DiRROS - Digital repository of Slovenian research organizations
    DOI

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