Physicomechanical properties of Acacia mangium Willd and Calophyllum brasiliense Cambess wood and their potential for industrial use

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Abstract

Planted forests are widely established and have shown excellent results in terms of quality for various purposes. However, newly introduced species whether native or exotic are typically found in experimental trials or small-scale plantations in Brazil and still lack studies to assess their potential within the sawn timber supply chain. Therefore, this study aimed to characterize the physicomechanical properties of wood from Acacia mangium and Calophyllum brasiliense plantations, at 15 and 16 years of age, respectively. Both species exhibited very similar physicomechanical properties. However, the anisotropy coefficient related to compression strength in Acacia mangium wood was significantly higher compared to that of Calophyllum brasiliense. While Calophyllum brasiliense showed physicomechanical properties compatible with those of Hymenolobium excelsum, Peltophorum dubium, Pouteria pachycarpa, and Goupia glabra, Acacia mangium presented characteristics similar to those of Eucalyptus used as sawn timber. The wood of Acacia mangium may be more suitable for applications requiring greater structural strength; however, its higher anisotropy coefficient indicates greater directional variation in its properties, which may affect its performance in various applications within the timber industry.

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