In this research impact properties of the hybrid natural fiber composites made up of areca, kenaf fiber mats with a 10 wt. % of wood dust as the filler materials in six different stacking sequences are studied. The fibers are treated for 30 hours with 10 % of NaOH solution at room temperature to improve the adhesion properties of the fibers. The composites are made-up by hand lay-up procedure using unsaturated polyester resin combined with a catalyst of Methyl Ethyl Ketone Peroxide (MEKP) and accelerator of Cobalt. The fabricated composites are allowed to cure for 24 hours at room temperature by placing a dead weight which gives a compact pressure. After that the hybrid composites are cut as per ASTM D256 standard to carry out the impact test by Izod Charpy impact tester. Five samples in each stacking were tested for the average value. The impact energy absorbed by specimens with six different stacking sequences are compared. The morphological study of the fractured impact specimens are studied using Scanning Electron Microscope images
Sustainability of the natural fibers and its composite had created the curiosity among researchers around the globe. Owing to their improved mechanical and thermal properties, natural fiber based materials are replacing the synthetic fibers in most of the automobile, packing industries, sports equipment and semi-structural applications. In this research, the tensile properties of hybrid composite made up of Kenaf and areca fibers in six different stacking sequences with constant 10 weight percentage of wood dust as filler material is studied. Unsaturated polyester resin is used as the matrix. The specimens are prepared by using hand lay-up technique. The prepared specimens are tested for tensile properties as per ASTM Standard and compared with stacking sequence one (S1).The test results revealed that stacking sequence six (S6) of the specimen which has Kenaf fiber as top and bottom layers has about 155% increase in tensile strength.
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