Dynamic Punch Shear Behavior of Unidirectional and Plain Weave S-2 Glass/SC15 Composites

Report No. ARL-CR-535
Authors: Libo Ren, Bazle A. Gama, John W. Gillespie Jr., and Chian-Fong Yen
Date/Pages: March 2004; 36 pages
Abstract: Dynamic punch shear behavior of unidirectional and plain weave S-2 Glass/SC15 epoxy composites is presented. An incident bar and a transmission tube assembly in compression split-Hopkinson Bar setup is used for the dynamic punch shear study. Dispersion correction methodology is used with ?3-wave? analysis to convert the experimental bar data into dynamic loaddisplacement curves. A methodology for determining the average transverse shear strength of the composite laminates is described. The average transverse shear strength of unidirectional and plain weave composites as a function of displacement is presented.
Distribution: Approved for public release
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Last Update / Reviewed: March 1, 2004