Mechanical properties of natural fibre reinforced polymer composites |
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Authors: | A S Singha Vijay Kumar Thakur |
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Affiliation: | (1) Material Science Laboratory, National Institute of Technology, Hamirpur, 177 005, India |
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Abstract: | During the last few years, natural fibres have received much more attention than ever before from the research community all
over the world. These natural fibres offer a number of advantages over traditional synthetic fibres. In the present communication,
a study on the synthesis and mechanical properties of new series of green composites involving Hibiscus sabdariffa fibre as a reinforcing material in urea-formaldehyde (UF) resin based polymer matrix has been reported. Static mechanical
properties of randomly oriented intimately mixed Hibiscus sabdariffa fibre reinforced polymer composites such as tensile, compressive and wear properties were investigated as a function of fibre
loading. Initially urea-formaldehyde resin prepared was subjected to evaluation of its optimum mechanical properties. Then
reinforcing of the resin with Hibiscus sabdariffa fibre was accomplished in three different forms: particle size, short fibre and long fibre by employing optimized resin.
Present work reveals that mechanical properties such as tensile strength, compressive strength and wear resistance etc of
the urea-formaldehyde resin increases to considerable extent when reinforced with the fibre. Thermal (TGA/DTA/DTG) and morphological
studies (SEM) of the resin and biocomposites have also been carried out. |
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Keywords: | Composites reinforcements optimization mechanical properties thermal study |
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