17 April 2013 Damage detection in reusable launch vehicle components using guided ultrasonic waves and 3D laser vibrometry
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Abstract
Reusable Launch Vehicles are often used in space applications to guarantee space exploration with reduced costs. These structures often use components from newly developed materials. It is inevitable that reliable inspection methods will be required for quality control and maintenance of such structures to avoid potential damage. This paper describes some initial results from evaluation tests based on Lamb waves for damage detection of Reusable Launch Vehicle composite components. Low-profile, surface-bonded piezoceramic transducers were used for Lamb wave generation. Non-contact measurements of Lamb wave responses were taken by a laser vibrometer. The results presented in this paper demonstrate the great potential of the method for quality inspection and structural damage detection of space composite structures.
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David Barnoncel, Wieslaw J. Staszewski, Jochen Schell, Patrick Peres, "Damage detection in reusable launch vehicle components using guided ultrasonic waves and 3D laser vibrometry", Proc. SPIE 8695, Health Monitoring of Structural and Biological Systems 2013, 86950D (17 April 2013); doi: 10.1117/12.2009846; https://doi.org/10.1117/12.2009846
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