Development Of Composite Helical Coil Spring For Light Weight Vehicle

The main objective of this thesis is development of composite helical coil spring for light weight vehicle.rnThe candidate materials are E-Glass, Carbon fiber and Epoxy resin. The selection of an appropriaternweight fraction for both chopped carbon and glass fiber composition between 0.4:0.6, 0.5:0.5, 0.6:0.4rnis conducted through analytical (Advanced rule of mixture) and laboratory experiment (Tensile testingrnmachine. Chopped carbon fiber with 0.4 weight fraction of epoxy resin and 0.6 weight fraction of fiberrncomposition is selected for our spring through composition property of the composite material. The 3Drnmodel has done using SOLID WORK 2016. The equivalent elastic strain and maximum stress werernconsidered at the static condition using ANSYS 2016. The static analysis were developed using fixedrnsupport on the lower end of the spring. Comparison has been done in terms of stiffness, deflection,rnspecific strain energy, and strength to weight ratio of the spring for each spring using chopped carbonrnand glass fiber, and the composite chopped carbon fiber with 0.4:0.6 composition is found to be betterrnwith the desired property of a spring material compared with conventional structural steel and glassrnfiber.

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