Bending Strength of Finger Jointed Kelat Wood (Syzygium spp.) as Affected by Finger Length and Orientation

Abstract:

The aim of this study was to determine the bending strength of finger joint of Kelat wood (Syzygium spp.) bonded using Phenol Resorcinol Formaldehyde (PRF). Three finger-jointed Kelat wood with finger length of 12 mm, 13 mm and 15 mm respectively were manufactured and tested. In addition, the effects of different orientation (horizontal and vertical) of fingers were also examined. Bending tests were carried out to determine the Modulus of Elasticity (MOE) and Modulus of Rupture (MOR) of the finger jointed samples in accordance to BS EN 373 standard. The results show that 15 mm finger length exhibited significantly higher means of MOE and MOR with the values of 17635.12 MPa and 72.59 MPa respectively, as compared to the shorter finger length (p≤0.05). This suggests that the bending strength was influenced by the finger length. The result also shows that bending strength of vertical finger joint is not significantly different compared to horizontal finger joint (p≥0.05). Therefore, the results obtained in this study is useful to provide base line data for a subsequent work which involve the manufacturing of glued laminated timber (glulam) from this timber species.

• Periodical: Advanced Materials Research (Volume 1134)
• Pages: 138-142
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1134.138
• Online since: December 2015
• Authors: Nur Hasmiza Abdul Hamid*, Mansur Ahmad, Mohd Nazip Suratman, Falah Abu
• Keywords: Bending, Finger Joint, Finger Joint Length, Finger Joint Orientation, Kelat (Syzygium spp.)

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