UPM Institutional Repository

Dynamic Young's modulus and glass transition temperature of selected tropical wood species


Citation

Hamdan, Sinin and Sedik, Yahya and Jusoh, Ismail and Hasan, Mahbub and Talib, Zainal Abidin (2009) Dynamic Young's modulus and glass transition temperature of selected tropical wood species. Materials Science and Technology, 25 (6). pp. 805-808. ISSN 0267-0836

Abstract

Dynamic Young's modulus (E d) of selected tropical wood species, namely Dyera polyphylla, Endospermum diadenum, Cratoxylum arborecens, Alstonia pneumatophora, Macaranga gigantea and Commersonia bartramia, used for the study was measured using the free–free flexural vibration method. Young's modulus from three point bending (E 3pb) and compression parallel to grain (E cp) was also studied. The results show that the relationship between E d and E 3pb for all wood species is very significant with the mean value of E d consistently larger than or sometime equal to E 3pb. Surprisingly, the relationship between E d and E cp is not significant except for Alstonia pneumatophora. The dynamic mechanical thermal properties were also investigated using the dynamic mechanical thermal analyser (DMTA). The results showed that the storage modulus of the wood species at –90°C is in the range of 1·48–4·09 GPa with a glass transition temperature ranging from 50 to 70°C.


Download File

[img]
Preview
Text (Abstract)
Dynamic Young's modulus and glass transition temperature of selected tropical wood species.pdf

Download (48kB) | Preview

Additional Metadata

Item Type: Article
Divisions: Faculty of Science
DOI Number: https://doi.org/10.1179/174328408X339233
Publisher: Maney Publishing
Keywords: Compressive Young's modulus; Dynamic Young's modulus; Glass transition temperature; Loss tangent; Storage modulus; Three point bending Young's modulus
Depositing User: Nabilah Mustapa
Date Deposited: 05 Oct 2018 07:45
Last Modified: 05 Oct 2018 07:45
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1179/174328408X339233
URI: http://psasir.upm.edu.my/id/eprint/14166
Statistic Details: View Download Statistic

Actions (login required)

View Item View Item