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Research Journal of Science and Technology
ISSN: 2349-2988(Online), 0975-4393(Print)
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Damping Analysis on Hybrid of Natural Rubber Particle and Epoxy Filled Glass Fiber Composites
Ravikumar L*, Chandramohan D
Department of Mechanical Engineering, Sri Sairam Engineering. College, Chennai 600044, Tamilnadu, India
Vibration damping has gained importance for achieving improved vibration and noise control, dynamic stability, fatigue and impact resistance in advanced engineering systems. In the present work, the effect of natural rubber particle inclusions in epoxy glass fibre composites, on the mechanical and damping properties of epoxy glass fibre composites is investigated. Test specimens are fabricated with inclusion of natural rubber particles of different sizes and Dynamic Mechanical Analysis (DMA) is carried out for storage modulus and loss factors (tan d) to study the influence of size of the particle rubber inclusions on these properties at various frequencies keeping temperature constant and at various temperatures keeping frequency constant. The analysis is carried out for two different conditions in 3-point bending and in shear. Among the selected particle sizes 0.254mm exhibits highest damping with a little reduction in stroge modulus.
Damping; Fibre reinforced composites; Natural rubber particles; Dynamic Mechanical Analysis.
Ravikumar L, Chandramohan D. Damping Analysis on Hybrid of Natural Rubber Particle and Epoxy Filled Glass Fiber Composites. Research J. Science and Tech. 2018; 10(4):253-260.
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