Physical and Mechanical Properties of Paulownia tomentosa x elongata Sawn Wood from Spanish, Bulgarian and Serbian Plantations

The aim of this research is the characterization of physical and mechanical properties of Paulownia sawn wood from three plantation sites in Europe, namely Spain, Bulgaria and Serbia. As a fast-growing wood species, Paulownia has a significant positive forecast for the European markets and a wide ra...

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Bibliographic Details
Published in:Forests 2022-10, Vol.13 (10), p.1543
Main Authors: Barbu, Marius Cătălin, Buresova, Katharina, Tudor, Eugenia Mariana, Petutschnigg, Alexander
Format: Article
Language:English
Subjects:
Balsa
Bend strength
Bending stresses
Brinell hardness
Bulk density
Comparative analysis
Compressive strength
Economic forecasting
Elongation
Flexural strength
Forestry
Lamiales
lightweight
Mechanical properties
Modulus of elasticity
Modulus of rupture in bending
Paulownia
Paulownia tomentosa
Paulownia tomentosa x elongata
physical and mechanical properties
Physical properties
plantation wood
Plantations
Tensile strength
Timber
Trees
Wood
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Summary:The aim of this research is the characterization of physical and mechanical properties of Paulownia sawn wood from three plantation sites in Europe, namely Spain, Bulgaria and Serbia. As a fast-growing wood species, Paulownia has a significant positive forecast for the European markets and a wide range of possible applications that still need to be explored. For this purpose, Paulownia tomentosa(Tunb.) x elongata(S.Y. Hu) wood species was investigated. Sorption behaviour, Brinell hardness, 3-point bending strength, flexural modulus of elasticity, tensile strength, compressive strength and screw withdrawal resistance were examined in detail. The samples from Spain have the higher average bulk density (266 kg/m3), 3-point flexural strength (~40 N/mm2), 3-point flexural modulus of elasticity (~4900 N/mm2), compressive strength (~23 N/mm2), tensile strength (~44 N/mm2) and screw withdrawal resistance (~56 N/mm). The plantation wood from Bulgaria has the highest average of annual ring width (46 mm). Paulownia wood has potential in lightweight applications and can replace successfully expensive tropical species as Balsa.
ISSN:1999-4907
1999-4907
DOI:10.3390/f13101543