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Abstract: This paper investigated the static and fatigue behaviors of steel and composite multi-leaf spring using the ANSYS V12 software. The dimensions of an existing conventional leaf spring of a light commercial vehicle were used. The same dimensions were used to design composite multi-leaf spring for the two materials, E-glass fiber/epoxy and E-glass fiber/vinyl ester, which are of great interest to the transportation industry. Main consideration was given to the effects of material composition and its fiber orientation on the static and fatigue behaviors of leaf spring. The design constraints were bending stresses, deflection and fatigue life. Compared to the steel leaf spring, the designed composite spring has much lower bending stresses and deflections and higher fatigue life cycles.

[1]Al-Qureshi, H.A., 2001. Automobile leaf springs from composite materials. Journal of Materials Processing Technology, 118(1-3):58-61.

[2]Beardmore, P., 1986. Composite structures for automobiles. Composite Structures, 5(3):163-176.

[3]Beardmore, P., Johnson, C.F., 1986. The potential for composites in structural automotive applications. Composites Science and Technology, 26(4):251-281.

[4]DOE-MSU, 2010. Wind Turbine Blade Composite Material Fatigue Database. Department of Chemical Engineering, Montana State University at Bozman, Montan 59717, USA.

[5]Kumar, M.S., Sabapathy, V., 2007. Analytical and experimental studies on fatigue life prediction of steel and composites multi-leaf spring for light passenger vehicles using life data analysis. Materials Science, 13(2):141-146.

[6]Lukin, P., Gasparyants, G., Rodionov, V., 1989. Automobile Chassis-Design and Calculations. MIR Publisher, Moscow.

[7]Mahdi, E., Alkoles, O.M.S., Hamouda, A.M.S., Sahari, B.B., Yonus, R., Goudah, G., 2006. Light composite elliptic springs for vehicle suspension. Composite Structures, 75(1-4):24-28.

[8]Morris, C.J., 1986. Composite integrated rear suspension. Composite Structures, 5(3):233-242.

[9]Rahman, M.A., Kowser, M.A., 2010. Inelastic deformations of stainless steel leaf springs-experiment and nonlinear analysis. Meccanica, 45(4):503-518.

[10]Rajendran, I., Vijayarangan, S., 2001. Optimal design of a composite leaf spring using genetic algorithms. Computers and Structures, 79(11):1121-1129.

[11]SAE, 1980. Manual on Design and Application of Leaf Springs, SAE HS 788. Society of Automotive Engineers, Warrendale, PA.

[12]SP Systems Guide to Composites, 2011. Technical Report No. GTC-1-1098. St Cross Business Park, Newport, Isle of Wight, England.

[13]Tanabe, K., Seino, T., Kajio, Y., 1982. Characteristics of Carbon/Glass Fiber Reinforced Plastic Leaf Spring. SAE 820403, p.1628-1634.

[14]Vijayarangan, S., Alagappan, V., Rajedran, I., 1999. Design optimization of leaf springs using genetic algorithms. Journal of the Institution of Engineers (India): Mechanical Engineering Division, 79:135-139.

[15]Yu, W.J., Kim, H.C., 1988. Double tapered FRP beam for automotive suspension leaf spring. Composite Structures, 9(4):279-300.

[16]Zheng, Y.H., Xue, K., Huang, Z.G., 2011. Finite Element Analysis of Composite Leaf Spring. The 6th International Conference on Computer Science & Education, SuperStar Virgo, Singapore, p.316-319.