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Magnesium hydroxide reinforced kenaf fibers/epoxy hybrid composites: mechanical and thermomechanical properties


Saba, Naheed and Alothman, Othman Y. and Almutairi, Z. and Jawaid, Mohammad (2019) Magnesium hydroxide reinforced kenaf fibers/epoxy hybrid composites: mechanical and thermomechanical properties. Construction and Building Materials, 201. pp. 138-148. ISSN 0950-0618


The present article deals with the fabrication of magnesium hydroxide (MH) filler reinforced kenaf/epoxy hybrid composites with different loading (10%, 15%, 20% and 25% by wt). Tensile, impact, flexural, morphological, thermal stability and dynamic mechanical properties of the developed MH/kenaf/epoxy hybrid composites were evaluated and compared. The analysis of the results revealed that the incorporation of the stiff MH particles into the kenaf/epoxy composites enhanced their tensile, flexural and impact properties, as well as their residual content. Enhancement in both storage (E′) and loss (E″) moduli, as well as a considerable decrease in damping factor (Tan δ), was observed in the hybrid composites, compared to the kenaf/epoxy composites. Moreover, a remarkable improvement in properties was noticed for the 20% MH hybrid composites, which was ascribed to better dispersion and interfacial interaction between the kenaf fibers and the epoxy within composites, enabling more efficient interfacial stress transfer. Overall, the 20% MH/kenaf/epoxy hybrid composites presented better mechanical strength, thermal stability and dynamic properties compared to the rest of the hybrid composites developed in this study.

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Additional Metadata

Item Type: Article
Divisions: Institute of Tropical Forestry and Forest Products
DOI Number: https://doi.org/10.1016/j.conbuildmat.2018.12.182
Publisher: Elsevier
Keywords: Kenaf fibers; Epoxy; Magnesium hydroxide; Thermal stability; Dynamic mechanical properties; Damping factor
Depositing User: Ms. Nida Hidayati Ghazali
Date Deposited: 16 Jun 2021 02:53
Last Modified: 16 Jun 2021 02:55
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.conbuildmat.2018.12.182
URI: http://psasir.upm.edu.my/id/eprint/81259
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