Exploring the Effect of Natural Ficus benghalensis Tree Aerial Root Powder on the Mechanical Properties of Basalt-Fiber-Reinforced Polymer Composites

Document Type

Article

Publication Title

Journal of Composites Science

Abstract

Banyan aerial root (BAR) powder was prepared from the aerial roots of a Banyan tree to modify epoxy resin using a magnetic stirrer. The modification was performed at different proportions of BAR powder, namely, 2%, 4%, 6%, and 8%, by weight. Composites were fabricated with modified and unmodified resins using a combination of hand lay-up and compression molding processes to evaluate the influence of BAR powders on their mechanical properties. The test results showed that BAR powder incorporation had a positive influence on the mechanical properties of the composites, as an increase in tensile, flexural, and impact strengths was observed, with the highest tensile and flexural properties of 407.81 MPa and 339 MPa, respectively, seen in composites with 4% BAR and the highest impact strength 194.02 kJ/m2 observed in the specimen with 6% BAR powder. Though the properties saw a dipping trend at higher weight proportions of the particulate, they were still significantly higher than the properties of laminates prepared with unmodified resin. Gravimetric analysis and Fourier transform infrared spectroscopy (FTIR) on BAR powders confirmed cellulose to be the major constituent, followed by lignin and hemicellulose. A scanning electron microscope was used for studying the failure mechanisms of the laminates.

DOI

10.3390/jcs7120493

Publication Date

12-1-2023

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