Vibration Response Behaviour of Glass Fibre/Epoxy Laminates at Various Volume Fractions

Abstract:

The paper presents the vibration response investigation of glass fibre/epoxy composite plates of different volume fractions. The different in composition of glass fibre is expected to yield different response hence can be used to determine the properties of the material. The laminate samples were prepared by compressed moulding process at volume fractions of 35%, 40%, 45% and 50% with 5mm thickness. Vibration signals at different volume fractions were then measured and the natural frequencies and damping factor were obtained. Feature extraction algorithms with respect to time and frequency domain were developed by means of signal processing methods to classify the signals according to the property of the materials. That indicates the vibration signals obtained shows potential to be used as non-destructive means for detecting the laminates composition.

• Periodical: Applied Mechanics and Materials (Volume 695)
• Pages: 721-724
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.695.721
• Online since: November 2014
• Authors: N.I.E. Farhana, M.S. Abdul Majid, M.P. Paulraj, E.A. Helmi
• Keywords: Composite, Impact Test, Vibration, Volume Fraction

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