Mechanical and Morphological Properties of Epoxy Based Hybrid Composites Reinforced with Banana-Pineapple Fiber

Abstract

The aim of this paper is to investigate the mechanical properties of Banana-Pineapple natural fiber reinforced epoxy hybrid composites. The hybrid combination of fibers with various weight fractions i.e. (40/0, 30/10, 20/20, 10/30 and 0/40) are incorporated into the epoxy LY556 and HY951and hand layup technique is used for fabrication. Initially fibers are cut to a length of 5mm and weight percentagesare determined. Banana fiber was hybridized with Pineapple fiber. While overall fiber weight fraction was fixed as 0.4Wf. Tensile, Flexural and Impact specimens are prepared according to ASTM standards. The Dog-bone shaped specimens are prepared for tensile test. Tensile testing was conducted on 5 ton universal testing machine (FIE Make). Flat bar and V-notch shaped specimens are prepared for conducting Flexural, Impact tests.The results are compared with pure Banana and pure Pineapple. Tensile, Flexural and Impact properties of Hybrid Composites are improved as compared to pure composites. The interfacial relationships between the fiber and matrix, internal cracks, fiber pullout, fiber dispersion into the matrix and the inner surfaces of the specimens are examined through SEM analysis.

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