Considerable research in the field of material science has been directed towards the development of new light weight, high performance engineering materials like composite. In many applications, like an aircraft, there is a need for high strength weight ratio. This can be achieved by composite consisting of low density (and soft) matrix reinforced with stiff fibers.  Now a day’s attention has been has been focused in the development of natural fiber.

Randomly oriented hybrid fibers reinforced with vinyl ester matrix are developed and their mechanical properties are evaluated as per ASTM standards. The tensile, flexural, and impact properties of coir-sisal (hybrid)/vinyl ester composites were evaluated. The untreated coir fibers and sisal with different proportion in length and content were used as reinforcements in vinyl ester polymer based matrices. The regression models of tensile, flexural, and impact properties were developed and optimized using statistical package to find the optimum fiber parameters for maximum mechanical properties. The results are shown that the fiber content in weight percentage is playing major role than the fiber length on the improvement of tensile, flexural, and impact strength properties.

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Tue, 19/04/2011 - 21:07