Fiber Reinforced Plastics/Composites ›› 2018, Vol. 0 ›› Issue (5): 58-63.

• APPLICATION RESEARCH • Previous Articles     Next Articles

EFFECT OF FIBER MODULUS ON NATURAL FREQUENCY OFCOMPOSITE AUTOMOBILE DRIVE SHAFT

GAO Hong-ping1,2, SUN Ze-yu1,2,3*, TAO Lei1,2, XIONG Feng1,2   

  1. 1.College of Materials Science and Engineering, Donghua University, Shanghai 201620, China;
    2.State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University,Shanghai 201620, China;
    3.Key Laboratory of Shanghai City for Lightweight Composites, Shanghai 201620, China
  • Received:2017-11-20 Online:2018-05-20 Published:2018-05-20

Abstract: In this paper, Ansys Workbench finite element software and pulse excitation technology were used to study the influence of different fibers on the natural frequency of the composite automotive drive shaft from the perspective of the combination of finite element method and experiments. Fiberglass, basalt fiber, T700 carbon fiber and T800 carbon fiber were used to wound composite shaft. The mechanical properties of composites were characterized according to GB/T 1548—2008. The natural frequency of the drive shaft of different fiber composites were characterized by finite element simulation and pulsed vibration mode test. The results show that the method of testing the natural frequency of the drive shaft by pulse excitation mode is more intuitive and the natural frequency of the drive shaft can be obtained accurately. The results of finite element simulation and pulse excitation show a certain deviation. But, the simulation results can be adjusted more accurately to make the simulation results more accurate. It is one of the effective ways to improve the natural frequency of composite shaft by increasing the modulus of composites.

Key words: composite shaft, natural frequency, finite element analysis, modal test system

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