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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2012, Vol. 13 Issue (3): 159-164    DOI: 10.1631/jzus.A1100212
Mechanics and Mechanical Engineering     
Finite element analysis on the static and fatigue characteristics of composite multi-leaf spring
Joo-teck Jeffrey Kueh, Tarlochan Faris
Department of Mechanical Engineering, Universiti Tenaga Nasional, Selangor 43000, Malaysia
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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.

Key words： Leaf spring      Composites      Finite element      Stress      Deflection      Fatigue     
Received: 10 August 2011      Published: 27 February 2012
CLC:  TB302  
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Joo-teck Jeffrey Kueh
Tarlochan Faris
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Joo-teck Jeffrey Kueh, Tarlochan Faris. Finite element analysis on the static and fatigue characteristics of composite multi-leaf spring. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2012, 13(3): 159-164.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A1100212     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2012/V13/I3/159

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