Mechanical properties of Tamarindus indica

Zairul A. R., . and Mohd-Jamil A. W., . and Suffian M., . and Mohd-Fahmi A., . Mechanical properties of Tamarindus indica. pp. 35-41. ISSN 0128-1283

The timber of ramin and rubberwood are highly valued for furniture panelling and decorative mouldings. With the trade restriction of ramin and escalated market price of rubberwood the widely distributed Tamarindus indica is a potential alternative for light-coloured timber. The tamarind tree was introduced to Malaysia for food and medicinal uses. This article reports on some physical and mechanical properties of T. indica timber. Timber specimens of a 15-year-old T. indica were tested for modulus of rupture (MOR) modulus of elasticity (MOE) compressive strength parallel to the grain compressive strength perpendicular to the grain shearing strength Janka hardness and specific gravity according to BS 373 standard methods. The sapwood of T. indica is pale yellow to cream in colour and the heartwood is poorly distinguished. Planing of the timber produced good to excellent surfaces and was rated as easy. The green and air-dry MOR values were 79.9 and 95.3 N mm- respectively. The green and air-dry MOE values were 8530 N mm-2 and 8476 N mm- respectively. Janka hardness of T. indica was 4747 N indicating a potential usage for high foot-traffic flooring such as for offices showrooms indoor sport arenas and restaurants. The specific gravity values were recorded in the range of 0.637 to 0.724.

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Abstract

The timber of ramin and rubberwood are highly valued for furniture panelling and decorative mouldings. With the trade restriction of ramin and escalated market price of rubberwood the widely distributed Tamarindus indica is a potential alternative for light-coloured timber. The tamarind tree was introduced to Malaysia for food and medicinal uses. This article reports on some physical and mechanical properties of T. indica timber. Timber specimens of a 15-year-old T. indica were tested for modulus of rupture (MOR) modulus of elasticity (MOE) compressive strength parallel to the grain compressive strength perpendicular to the grain shearing strength Janka hardness and specific gravity according to BS 373 standard methods. The sapwood of T. indica is pale yellow to cream in colour and the heartwood is poorly distinguished. Planing of the timber produced good to excellent surfaces and was rated as easy. The green and air-dry MOR values were 79.9 and 95.3 N mm- respectively. The green and air-dry MOE values were 8530 N mm-2 and 8476 N mm- respectively. Janka hardness of T. indica was 4747 N indicating a potential usage for high foot-traffic flooring such as for offices showrooms indoor sport arenas and restaurants. The specific gravity values were recorded in the range of 0.637 to 0.724.

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Item Type:	Article
AGROVOC Term:	Tamarindus indica
AGROVOC Term:	Mechanical properties
AGROVOC Term:	Physical properties
AGROVOC Term:	Elasticity
AGROVOC Term:	Strength
AGROVOC Term:	Shearing
AGROVOC Term:	Hardness
AGROVOC Term:	Specific gravity
AGROVOC Term:	Density
AGROVOC Term:	Sapwood
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:54
URI:	http://webagris.upm.edu.my/id/eprint/8849

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