We have investigated several full-field contactless techniques, such as thermography and shearography, with several excitation methods for inspecting hybrid composite-metal sandwich structures. The latter are made of a core with epoxy reinforced by carbon and glass fibers and skins of titanium. Several calibrated defects are incorporated at different places in depth and are made of air gaps and inserts.
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Thermography and shearography inspection of composite hybrid sandwich structure made of CFRP and GFRP core and titanium skins
Published: 22 June 2018 by MDPI in The Eighteenth International Conference of Experimental Mechanics session ICEM 2018
Keywords: composite materials; hybrid, sandwich, nondestructive inspection, thermography, shearography