期刊
JOURNAL OF COMPOSITE MATERIALS
卷 47, 期 8, 页码 979-990出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0021998312444147
关键词
Hybridization effect; water absorption; percentage fibre weight; properties; fibre proportion
资金
- Tertiary Education Trust Fund (TETF) Nigeria
This work provides variation in mechanical properties such as tensile, flexural and impact strength of hybridized kenaf and pineapple leaf fibre-reinforced high-density polyethylene composite. Two or more natural fibres are hybridized to provide an effective means of designing materials for various service requirements. The composite of kenaf/pineapple leaf fibre high-density polyethylene-based hybrid composite with different weight proportion of fibres were prepared. Total overall fibre loading in the composite was kept at 40%. The hybrid composites prepared were subjected to water immersion for 14 days to see how this concept can affect water uptake. At equal percentage ratio of the fibres, hybridization effect was optimized for tensile and flexural test; however, K6P4 gave the optimum impact strength while K3P7 resulted in the least overall water uptake. Strength and modulus values increased with increase in percentage of pineapple leaf fibre in the composite and the higher aspect ratio of kenaf helped in the dispersion of matrix in the composite. Favorable balance between the inherent advantages and disadvantages of these two fibres complemented each other. While pineapple leaf fibre helped the composite in tensile and flexural properties, kenaf provided impact strength and in reduction of water uptake. Dependence of modulus on the percentage of cellulose in natural fibres was clear. Kenaf and pineapple leaf fibre offered tremendous potential for hybridization. SEM was used to describe this interesting phenomenon.
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