Study on Damping Properties of Fiber Reinforced Compositefor Stayed Cable

Abstract:

Fiber reinforced vinyl ester composites and fiber reinforced epoxy composites were prepared by the pultrusion method. Due to the extensive application of fiber reinforced composites, the temperature spectrum and frequency spectrum of loss factor for the composite were tested using dynamic mechanical analysis (DMA) equipment. The damping properties and damping mechanism of the composite were investigated and discussed at different temperatures and frequencies. The result indicates that the loss factor of the composites is increasing with the increase of the frequency from 0.1Hz to 2 Hz and decreasing with the decrease of the temperature from -20°C to 60°C. The loss factor of the carbon fiber composite is higher than that of the glass fiber for the same matrix. The loss factor of the vinyl ester composite is higher than that of the epoxy composite for the same fiber.

• Periodical: Advanced Materials Research (Volumes 163-167)
• Pages: 288-292
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.163-167.288
• Online since: December 2010
• Authors: Yan Liang Du, Jian Zhi Li, Bao Chen Sun
• Keywords: Composite, Damping, Loss Factor, Lower Frequency, Temperature

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