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.
Highlights
Kelempayan is one of the fast-growing timber species which has been proposed as a forest plantation crop by the Malaysian government (Ismail et al 1995)
Kelempayan wood is categorized as light hardwood (LHW) with the density of 290 to 465 kg/m3 (Lim et al 2005) and it is included in the strength group D (Choo et al 1999)
Physical and mechanical properties of juvenile N. cadamba wood have been determined for the purposes of timber modification in order to increase the value of a product, especially in terms of strength and durability of the wood
Summary
Kelempayan is one of the fast-growing timber species which has been proposed as a forest plantation crop by the Malaysian government (Ismail et al 1995) It has great potential as a sustainable material for wood based industries. The properties of 20 yr-old planted kelempayan at five different height levels have been investigated on specific gravity, green moisture content, shrinkage properties, bending properties and anatomical variations (Ismail 1993). These mature wood properties were suggested suitable as general utility timber (Ismail 1993).
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