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The usage of natural fibres like borassus flabellifer fiber, flax, sisal, jute, kenaf, etc. as replacement to manmade fibers in fiber-reinforced composites have increased now a days due to advantages like low density, low cost and biodegradability .In addition to this poor compatibility with the matrix and high absorption content of natural fibers, focus is diverted to fiber reinforced composites. In this research, the standard test method of ASTM D256M is used to prepare specimens for testing Impact strength properties of fiber-resin composites. The test specimen has a constant cross section with tabs bonded at the ends. The specimens were incorporated with borassus flabellifer fiber. Five identical specimens were prepared for each weight by varying fiber content in grams i.e. 0.5, 1.0, 1.5, 2.0, 2.5. Impact strength of fabricated composites were calculated.It is found that the Impact strength is increased with increase in weight of fiber. The Impact strength of pure polyester is also determined experimentally. The impact strength of pure polyester is 12.5 J/m. The Impact strength of fibered composite is 460 J/m (for maximum loading fiber)

Experimental Determination of Impact Strength of Aluminium, Borassus Flabellifer Fiber and Polyester Composites