In this paper, eddy current pulsed thermography in transmission mode was used to detect the damages caused by low-velocity impacts in carbon fiber-reinforced polymer and basalt-carbon hybrid fiber-reinforced polymer laminates. In particular, different hybrid structures including intercalated stacking and sandwich-like structures were used. The impact energy of 12.5 was used for the evaluation of the impact damage level. Ultrasonic phased-array C-scan was performed for comparative purposes. In addition, the advantages and disadvantages of the two structures were identified and discussed.
Hai Zhang, Stefano Sfarra, Ahmad Osman, Fabrizio Sarasini, Bernd Valeske, Udo Netzelmann, Nicolas P. Avdelidis, Clemente Ibarra-Castanedo, and Xavier Maldague, "Nondestructive evaluation using eddy current pulsed thermographic imaging of basalt-carbon hybrid fiber-reinforced composite laminates subjected to low-velocity impact loadings ," Proc. SPIE 10601, Smart Materials and Nondestructive Evaluation for Energy Systems IV, 106010B (Presented at SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring: March 05, 2018; Published: 27 March 2018); https://doi.org/10.1117/12.2295000.
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