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Development and Comparative Studies of Bio-based and Synthetic Fiber Based Sandwich Structures

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Author(s): Sripathy Mallaiah | Krishna Vinayak Sharma | M Krishna

Journal: International Journal of Soft Computing & Engineering
ISSN 2231-2307

Volume: 2;
Issue: 1;
Start page: 332;
Date: 2012;
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Keywords: Natural fiber | polyurethane foam | sandwih structure | synthatic fiber

ABSTRACT
The present work was to focus on the investigation of the flexural and fatigue behaviour of flatwise, edgewise compression and water absorption of E-glass/ epoxy, jute/ epoxy, bamboo/epoxy, glass-jute/epoxy, glass-bamboo, Jute/bamboo /Polyurethane foam sandwich composites. Both natural and synthetic based sandwich composites were synthesized with different fabric and polyurethane foam. The fiber/ resin ration for glass/epoxy is 65:35 and all other natural fibers composites are 50:50 ratio of fibre to resin weight fraction. The sandwich specimens were prepared by hand adopting the lay-up method. This was followed by compression at room temperature. Bamboo/glass hybrid structure yields higher value of core shear stress and facing bending stress. This is higher than both pure glass, bamboo. This shows how effectively hybridization can be used to tailor materials for our specific use.
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