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26 May 2011 Viability of guided-wave ultrasound diagnostics for sharply curved composite structures
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Guided wave ultrasound is well suited for inspection of laminate composite structures. Compared to nearly flat or gently curved composites, performing accurate NDT on sharply curved structures is more complex with standard ultrasound test methodologies, such as pulse-echo methods. Ultrasound propagation in curved composite structures is investigated for sharply curved geometries. Responses are predicted based on dispersion models. Experimental results are presented on 0.25 inch thick curved carbon fiber reinforced plastic (CFRP) composite geometry of an aircraft structural component and compared with predicted values.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Indu Fiesler Saxena, Narciso Guzman, Lothar U. Kempen, and Vinay Dayal "Viability of guided-wave ultrasound diagnostics for sharply curved composite structures", Proc. SPIE 8026, Photonic Applications for Aerospace, Transportation, and Harsh Environment II, 802603 (26 May 2011);

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