Abstract
The introduction of composite materials helped in reduction of the weight of leaf spring without any reduction on load carrying capacity and stiffness. FRP springs have excellent fatigue resistance and durability. However, the weight reduction of the leaf spring is achieved not only by material replacement but also by design optimization. To determine the material properties various mechanical tests are carried out and optimized parameters are obtained by minimizing the weight of composite mono-leaf spring. Based on the results of optimization, the composite material mono leaf spring with 55:45 volume fraction showed better mechanical properties. Static load testing and FFT analyzer testing are carried out to obtain compressive strength and natural frequency of composite mono-leaf spring. The results obtained from experimental testing are validated using ANSYS. The design optimization also showed significant potential improvement in the performance of mono leaf spring.
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