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Effect of moisture content and grain angle on the ultrasonic properties of rubber wood


Citation

Kabir, Md. Firoz and Abd. Aziz, Sidek and Wan Yusoff, Wan Mohamad Daud and Khalid, Kaida (1997) Effect of moisture content and grain angle on the ultrasonic properties of rubber wood. Holzforschung, 51 (3). pp. 263-267. ISSN 0018-3830; ESSN: 1437-434X

Abstract / Synopsis

The ultrasonic velocity and elastic stiffness constant of rubber wood were studied using ultrasonic technique in three main symmetry axes and an angle rotating from the symmetry axes. The effects of moisture content were also determined in each case. A strong correlation was found between the velocity and the moisture content. As the moisture content increased, the velocity and the stiffness constant were found to decrease. The longitudinal direction showed the highest velocity and hence the elastic stiffness constant. Linear regression equations were obtained between velocity and grain angle with R2 from 0.86 to 0.99.


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Additional Metadata

Item Type: Article
Divisions: Universiti Pertanian Malaysia
DOI Number: https://doi.org/10.1515/hfsg.1997.51.3.263
Publisher: Walter de Gruyter
Keywords: Anisotropy; Elastic stiffness constant; Hevea brasiliensis; Moisture content; Rubber wood; Ultrasonic velocity
Depositing User: Nabilah Mustapa
Date Deposited: 02 May 2017 12:34
Last Modified: 02 May 2017 12:34
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1515/hfsg.1997.51.3.263
URI: http://psasir.upm.edu.my/id/eprint/51003
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