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Effect of fibre volume fraction on fatigue behaviour of glass fibre reinforced composite

Publication Type : Journal Article

Publisher : Fatigue Fracture of Engineering Materials Structures, Wiley Publishing Ltd.

Source : Fatigue & Fracture of Engineering Materials & Structures, Wiley Publishing Ltd., Volume 35, Issue 12, p.1160–1166 (2012)

Url : https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1460-2695.2012.01709.x

Keywords : fatigue, glass fibres, Mechanical properties, Mechanical testing

Campus : Coimbatore

School : School of Engineering

Department : Mechanical Engineering, Civil

Verified : Yes

Year : 2012

Abstract : The aim of this paper is to study the fatigue behavior of GFRP composites manufactured by vacuum bagging process by varying the volume fraction. Constant‐amplitude flexural fatigue tests were performed at zero mean stress, i.e. a cyclic stress ratio R=−1 by varying the frequency of the testing machine. The relationship between stiffness degradation rate and fibre volume fraction, was observed, and the influence of volume fraction on the tensile strength was also investigated. The results show that, as the volume fraction increases the stiffness degradation rate initially decreases and then increases after reaching a certain limit for the volume fraction. Graph between volume fraction and Young's modulus shows that as the volume fraction increases Young's modulus also increases and reaches a limit and then it decreases with further increase in volume fraction, due to the increase in fibre content which changes the material properties of the composite material. The obtained results are in agreement with the available results.

Cite this Research Publication : Dr. Mini K. M., Mahadevan Lakshmanan, Mathew, L., and Mukundan, M., “Effect of fibre volume fraction on fatigue behaviour of glass fibre reinforced composite”, Fatigue & Fracture of Engineering Materials & Structures, Wiley Publishing Ltd., vol. 35, no. 12, pp. 1160–1166, 2012.

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