Experimental study on the tension-tension fatigue behaviour of glass/epoxy quasi-isotropic composites

Padmaraj, N H and Kini, Vijaya M and Pai, Dayananda (2020) Experimental study on the tension-tension fatigue behaviour of glass/epoxy quasi-isotropic composites. Journal of King Saud University – Engineering Sciences, 32. pp. 396-401. ISSN 1018-3639

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Abstract

This study investigates the tension-tension fatigue behaviour of glass/epoxy quasi-isotropic laminates. Constant amplitude tension-tension fatigue tests were performed at different stress level at a stress ratio, R = 0.1 and at a frequency of 3 Hz. The damage growth in the material was characterized by evaluating the degradation in stiffness. A phenomenological cumulative stiffness degradation based damage model was used to predict the damage development in the material. It was observed that, in the initial fatigue loading cycle, the material exhibited rapid reduction in stiffness and maintained a constant rate of degradation until failure

Item Type: Article
Uncontrolled Keywords: Fatigue damage Quasi-isotropic Stiffness Stress ratio Frequency
Subjects: Engineering > MIT Manipal > Aeronautical and Automobile
Engineering > MIT Manipal > Mechanical and Manufacturing
Depositing User: MIT Library
Date Deposited: 25 Sep 2020 09:03
Last Modified: 25 Sep 2020 09:03
URI: http://eprints.manipal.edu/id/eprint/155731

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