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Abstract
The composite material are replacing the traditional material, because of its superior properties such as high tensile strength, low thermal expansion, high strength to weight ratio. The development of new materials are on the anvil and are growing day by day. Natural fiber composites became more attractive due to their high specific strength, lightweight and biodegradability. In this project, natural fiber reinforced polymer composites is developed in two ways that is treated and nontreated and their mechanical properties such as tensile strength, flexural strength, impact strength and hardness test are evaluated. At last we are going to compare the both strength of treated and untreated natural fiber reinforced polymer and evaluate which one is the best and strengthen natural fiber reinforced polymer.In present year’s natural fiber composite material locale a major role in industries like aerospace and automobile. The natural fiber is amplified by hook up with plastics. The ample availability of aramid and natural fibers such as basalt,kevlar, Palm fiber ramie, sisal, jute, banana, bagasse etc.Common matrix materials include epoxy, phenolic, polyester, polyurethane vinyl ester etc.The composites formed by fibres gained attention due to their low cost, light weight, renewability, low density, high specific strength, non abrasivity, non toxicity and biodegradability etc.In this paper discussed the Composite material Plate by using basalt and kevlar fiber with Epoxy composite and to evaluate the Mechanical properties of leaf spring (Tensile strength, Hardness, Toughness Examination).