期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 201, 期 -, 页码 138-148出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2018.12.182
关键词
Kenaf fibers; Epoxy; Magnesium hydroxide; Thermal stability; Dynamic mechanical properties; Damping factor
资金
- International Scientific Partnership Program ISPP at King Saud University [ISPP-0011]
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 delta), 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. (C) 2018 Elsevier Ltd. All rights reserved.
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