SPECIFIC GRAVITY AND MECHANICAL PROPERTIES OF <em>ANINGERIA</em> <em>ROBUSTA</em> WOOD FROM NIGERIA

Authors

  • OY Ogunsanwo

Keywords:

Axilal and radial variations, lesser-known species, modulus of rupture, modulus of elasticity, compressive strength, impact bending, sampling heights

Abstract

Ajala Oo & ogunsanwo OY. 2011. Specific gravity and mechanical properties of Aningeria robusta
wood from Nigeria. Sourcing of choice timber species is becoming increasingly difficult in the forests of
West Africa including Nigeria. There is a need to provide alternative species by investigating the technical
qualities of species that are hitherto not harvested. Six trees of Aningeria robusta were sampled at the base,
10, 30, 50, 70 and 90% of merchantable length and partitioned into the inner, middle and outer wood along
the radial plane. Specific gravity (SG) and selected mechanical properties, namely, modulus of rupture
(MOR), compressive strength parallel to grain (MCS) and impact bending (IB) were investigated. Data were
analysed using analysis of variance. The overall mean SG was 0.44, while the mean values for MOR, MCS and
IB were 89.05 N mm-2, 27.45 N mm-2 and 0.2 m respectively. Significant variations existed between sampling
heights in SG and MOR, while variations in MCS and IB were not significant along the bole. For all properties
investigated, no significant variation was found from the inner to the outer wood. The wood properties of
this species indicate that it has the potential to substitute some popular species in the market. Its radial and
axial uniformity may be exploited in marketing strategy.

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Published

2022-06-11

How to Cite

OY Ogunsanwo. (2022). SPECIFIC GRAVITY AND MECHANICAL PROPERTIES OF <em>ANINGERIA</em> <em>ROBUSTA</em> WOOD FROM NIGERIA. Journal of Tropical Forest Science (JTFS), 23(4), 389–395. Retrieved from https://jtfs.frim.gov.my/jtfs/article/view/641

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