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Dynamic behavior of top-hat bonded stiffened composite panels: Experimental characterization

Abstract : One of the most applications of stiffened composite panels is the marine application. In this study, a new sandwich structure consists of long E-glass fibers reinforced Balsa composites is evaluated. The use of this material in marine applications for long periods and under different environmental conditions leads to degradation of mechanical properties of structures and the adhesive. Therefore, in order to guarantee the best functioning of structures for long time periods, an experimental characterization procedure is required. For this purpose, the dynamic mechanical behavior of top-hat bonded stiffened composite panels used in marine applications is studied. A special fixture was designed and fabricated for the impact testing of stiffened structures. Manufactured specimens were tested until finale failure and the effect of impact velocities on the load-displacement and strain-displacement behaviors are compared. We have also interested to the effect of impact velocity on the dynamic behavior and damage kinetics.
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https://hal-ensta-bretagne.archives-ouvertes.fr/hal-01833969
Contributor : Marie Briec <>
Submitted on : Tuesday, July 10, 2018 - 9:59:35 AM
Last modification on : Tuesday, April 13, 2021 - 8:59:18 AM

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Mostapha Tarfaoui, Ahmed El Moumen. Dynamic behavior of top-hat bonded stiffened composite panels: Experimental characterization. Composites Part B: Engineering, Elsevier, 2018, 149, pp.216 - 226. ⟨10.1016/j.compositesb.2018.05.034⟩. ⟨hal-01833969⟩

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