Design of the automotive leaf sring using Carbon fiber reinforced Composite
Corressponding author's email:
thanhdt@hcmute.edu.vnKeywords:
leaf spring, composite, stresAbstract
Nowadays, the composite leaf spring of automobile suspension is widely studying in the replacement of steel leaf spring due to high strength to weight ratio. The main objective of this paper is to study stress and loading capacity for the optimal design of the composite leaf spring based on the finite element analysis of ANSYS Workbench 12. Several models of composite leaf spring are considered and compared with the existing steel leaf spring for the stress and elastic strain energy. The results showed that the composite leaf spring had stress smaller than the steel leaf spring about 14.2 %; the elastic strain energy of composite leaf spring was larger than that of steel leaf spring (12x10-4 > 1.9x10-4); the weight reduction of composite leaf spring was about 75 %.
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