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<p>In furniture manufacturing, the mechanical and physical properties of timber play a vital role in determining its strength and suitability for use. This study evaluated these properties in three trees each of <i>Zanthoxylum gilletii</i> (Okuo) and <i>Entandrophragma cylindricum</i> (Sapele). Samples, free from defects and exhibiting straight grain, were harvested from three stem sections (top, middle, and bottom) at breast height (DBH) of each tree. The moisture content (MC) of heartwood and sapwood for <i>Z. gilletii</i> ranged between 34.73 ± 3 and 43.29 ± 4%, while <i>E. cylindricum</i> ranged from 38.10 ± 3 to 45.50 ± 4%. Density values for <i>Z. gilletii</i> varied from 715.91 ± 8 to 841.94 ± 79.1&#xa0;kg/m³, compared to 640.04 ± 33.1 to 758.46 ± 38.9&#xa0;kg/m³ for <i>E. cylindricum</i>. At 12% moisture content, the mean modulus of rupture (MOR) and modulus of elasticity (MOE) for <i>Z. gilletii</i> ranged from 86.08 ± 4.52 to 132.25 ± 4&#xa0;N/mm² and 8474.10 ± 754.3 to 9263.80 ± 494.1&#xa0;N/mm², respectively. Corresponding values for <i>E. cylindricum</i> ranged from 84.15 ± 2 to 109.50 ± 3&#xa0;N/mm² (MOR) and 8292.90 ± 492.9 to 9616.70 ± 705.9&#xa0;N/mm² (MOE). These results suggest that <i>Z. gilletii</i> demonstrates mechanical properties comparable to or exceeding those of <i>E. cylindricum</i>, indicating its potential as a viable alternative for furniture, construction, and structural applications.</p>

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Evaluation of mechanical and physical properties of Zanthoxylum gilletii wood and comparative strength analysis with Enthandrophragma cylindricum for furniture and structural applications

  • 期刊论文

  • 发表日期：

    2026年1月14日

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  • Delle Desire Domekyiir,
  • Emmanuel Appiah-Kubi,
  • Kwaku Antwi,
  • Michael Awotwe-Mensah

摘要

In furniture manufacturing, the mechanical and physical properties of timber play a vital role in determining its strength and suitability for use. This study evaluated these properties in three trees each of Zanthoxylum gilletii (Okuo) and Entandrophragma cylindricum (Sapele). Samples, free from defects and exhibiting straight grain, were harvested from three stem sections (top, middle, and bottom) at breast height (DBH) of each tree. The moisture content (MC) of heartwood and sapwood for Z. gilletii ranged between 34.73 ± 3 and 43.29 ± 4%, while E. cylindricum ranged from 38.10 ± 3 to 45.50 ± 4%. Density values for Z. gilletii varied from 715.91 ± 8 to 841.94 ± 79.1 kg/m³, compared to 640.04 ± 33.1 to 758.46 ± 38.9 kg/m³ for E. cylindricum. At 12% moisture content, the mean modulus of rupture (MOR) and modulus of elasticity (MOE) for Z. gilletii ranged from 86.08 ± 4.52 to 132.25 ± 4 N/mm² and 8474.10 ± 754.3 to 9263.80 ± 494.1 N/mm², respectively. Corresponding values for E. cylindricum ranged from 84.15 ± 2 to 109.50 ± 3 N/mm² (MOR) and 8292.90 ± 492.9 to 9616.70 ± 705.9 N/mm² (MOE). These results suggest that Z. gilletii demonstrates mechanical properties comparable to or exceeding those of E. cylindricum, indicating its potential as a viable alternative for furniture, construction, and structural applications.