Physical and mechanical properties of juvenile wood from Neolamarckia cadamba planted in west Malaysia

Abstract

Juvenile Neolamarckia cadamba or kelempayan tree has been harvested from forest plantation and converted into sawn timber. Some basic properties of timber such as physical and mechanical were determined from different parts of the tree namely lower, center and upper. The physical properties were evaluated. The mechanical properties were conducted using small test clear specimens. The results indicated that the physical and mechanical properties of the lower portion of the trunk were significantly superior compared to the upper portion of the trunk. The investigation revealed that the wood be able to use as a substitute material of the furniture components after some modification undertaken on its properties.

Longitudinal variation in selected wood properties of oriental beech and caucasian fir

“…Analyses of variance showed that there was a significant difference (P<0,05) among the stem heights, and air dry density decreased with increasing stem height for both wood species. Similar results were reported for Pinus sylvestris, Betula pendula and Betula pubescens by Repola (2006), for Tectona grandis Izekor et al (2010), for Corylus colurna by Zeidler (2012), for Abies alba by Rodrigo et al (2013), for Pinus taeda by Yu et al (2014), for Albizza julibrissin by Kiaei and Farsi (2016), and for Neolamarckia cadamba by Mahmud et al (2017). In contrast, Molteberg and Høibø (2006) reported an increase of basic density with vertical position in the norway spruce trees.…”

Time of exposure at 60 °C service temperature: Influence on strength and modulus of elasticity in compression parallel to the grain of hardwood species

“…For the use of wood as a structural member, its physical and mechanical properties should be determined according to standardized laboratory procedures (Kloiber et al 2015;Mahmud et al 2017).…”