Abstract
In this work, the design and analysis have been performed for both of the steel and composite leaf springs. The stresses and deflection for the composite leaf spring are compared to those produced in the steel leaf spring. The considered composite materials in the design of mono composite leaf spring have been selected to be E-glass-Epoxy, Carbon — Epoxy, and Boron-Aluminum composites against the conventional 55si2Mn90 steel. The finite element method (FEM) has been employed to calculate the deflection and von-Mises stresses for the springs by using the Ansys 15.0 software. The results show that the leaf springs which are made of the light composite materials are as efficient as heavy steel springs. In comparison with the steel, a considerable weight reduction of 92%, 89% and 85% have been obtained for the Carbon-Epoxy, Boron-Aluminum and Glass-Epoxy respectively.
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