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Experimental fatigue damage investigation of E-glass 430GSM fiber composite

Author Affiliations

  • 1Mechanical Engineering, Acharya Nagarjuna University, India
  • 2Mechanical Engineering Department, RVR&JC College of Engineering, India

Res. J. Engineering Sci., Volume 7, Issue (11), Pages 1-7, December,26 (2018)


The current research is to evaluate the fatigue damage progression of unidirectional E-glass 430 GSM fiber composite material subjected to fatigue loads. Previously characterization was done to estimate the material modulus and strength of elasticity under tension, compression and shear loads. This paper discusses about the constant-amplitude tension-tension fatigue test conducted at a frequency of 4Hz under different loading conditions in order to accomplish fatigue life characteristics. Usually fatigue life is evaluated by cracks developed in the matrix material followed by delamination of material and finally the material rupture leading to composite fracture. SEM images were used to understand the failure architecture of composite and to accomplish damage evaluation and failure modes. The behavior of the material is observed to be heterogeneous under variable loads which can explain the scatter of experimental results.


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