Abstract
In this study, GLARE 5 fiber-metal laminated (FML) plates of dimensions: 152.4 × 101.6 mm (6″ × 4″) with various stacking sequences and thicknesses were impacted by a 0.22 caliber bullet shaped projectile using a high-speed gas gun. The effect of stacking sequence was considered for the GLARE 5 (3/2) panels with cross-ply [0°/90°]s, unidirectional [04°], angle-ply [±45°]s and quasi-isotropic [0°/±45°/90°] lay-up orientations; whereas, the thickness effect was studied for the GLARE 5 cross-ply panels. The experimentally obtained incident projectile impact velocities versus the residual velocities were plotted for each type of specimen. The data were then fitted numerically according to the classical Lambert-Jonas equation for the determination of the ballistic limit velocity, V50. The 3D dynamic nonlinear finite element (FE) code, LS-DYNA, was used to validate the experimental results. Good agreement between experimental and FE results was obtained.
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Acknowledgments
The authors would like to thank the supports from NASA Faculty Award for Research (FAR) under Grant No. NAG3-2259 and from PSC-CUNY under Grants 63168–00 41 and 64543–00 42. Dr. Kenneth J. Bowles and Dr. John P. Gyekenyesi were the Technical Monitors of the NASA grant. Part of the equipment was procured through ARO Grant No. DAAD19-03-1-0086, of which Dr. Bruce LaMattina was the Program Manager.
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Yaghoubi, A.S., Liaw, B. (2013). Ballistic Impact Behaviors of GLARE 5 Fiber-Metal Laminated Plates. In: Patterson, E., Backman, D., Cloud, G. (eds) Composite Materials and Joining Technologies for Composites, Volume 7. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-4553-1_20
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DOI: https://doi.org/10.1007/978-1-4614-4553-1_20
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