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ABSTRACT

Impact Performance of Nanophased Woven Fabric Carbon/Epoxy Composite Laminates

M.V. Hosur1, F.H. Chowdhury1, S. Jeelani1

Center for Advanced Materials, Tuskegee University, Tuskegee, AL 36117, USA

The International Conference on Computational & Experimental Engineering and Sciences 2007, 2(4), 119-124. https://doi.org/10.3970/icces.2007.002.119

Abstract

In the present study, Nanomer® I-28E, organically modified montmorillonite nanoclay supplied by Nanocor Inc., was used to modify SC-15, a toughened epoxy system using sonication route. Different weight percentage ranging from 1-3% of nanoclay was used. The modified epoxy was then used to fabricate 15-layer plain weave carbon/epoxy composite laminates using vacuum assisted resin transfer molding (VARTM) method. Samples of size 100 x 100 mm were cut from the laminates and were subjected to low-velocity impact loading using an instrumented drop-weight system (Dynatup Model 8210) at three different energy levels of 10, 20 and 30J. Transient response of the samples was recorded and analyzed in terms to load-energy versus time relations. Impact damage was characterized by utilizing an ultrasonic nondestructive evaluation system (c-scan). Results of the study indicate that the infusion of nanoclay in the system reduced the impact damage though the impact response in terms of the peak load remained mostly unaltered.

Cite This Article

Hosur, M., Chowdhury, F., Jeelani, S. (2007). Impact Performance of Nanophased Woven Fabric Carbon/Epoxy Composite Laminates. The International Conference on Computational & Experimental Engineering and Sciences, 2(4), 119–124.



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