Abstract
AbstractThis study investigates the effects of nanoclay particles on impact and flexural properties of glass fiber‐reinforced unsaturated polyester (UP) composites. UP‐reinforced nanocomposite containing 1.5 and 3 wt % nanoclay was used to manufacture laminated composite panels using glass fiber woven roving by hand lay‐up method. X‐ray diffraction and transmission electron microscopy analysis confirmed intercalation and exfoliation of the nanoclay in the UP resin. Flexural test results indicated better performance for the specimens containing 1.5 wt % nanoclay reinforcements. However, Izod impact test results showed a decrease with increase in nanoclay content. High‐velocity impact tests were carried out on a gas gun in velocity range of 90–220 m/s using harden steel hemispherical tip projectile. Highest performance in ballistic limit and energy absorption were obtained for specimens containing 1.5 wt % nanoclay. © 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012
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