Crack detection in glass plates using nonlinear acoustics with low-profile piezoceramic transducers

Ruztamreen B. Jenal; Wieslaw J. Staszewski

doi:10.1117/12.847279

8 April 2010 Crack detection in glass plates using nonlinear acoustics with low-profile piezoceramic transducers

Ruztamreen B. Jenal, Wieslaw J. Staszewski

Proceedings Volume 7650, Health Monitoring of Structural and Biological Systems 2010; 765030 (2010) https://doi.org/10.1117/12.847279
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2010, San Diego, California, United States

Abstract

The paper demonstrates application of nonlinear acoustics for crack detection in a glass plate. FE analysis is performed to establish structural resonances of the glass plate. Simulation analysis and experimental tests are used to select ultrasonic frequencies. Finally, nonlinear acoustic tests are performed to detect cracks. A high-frequency ultrasonic signal is introduced to the glass plate. At the same time the plate is modally excited using selected resonance frequencies. Surface-bonded, low-profile piezoceramic transducers are used for low- and high-frequency excitation. The experiments lead to vibro-acoustic wave modulations. The presence of modulation indicates damage and the intensity of modulation describes its severity.

Citation Download Citation

Ruztamreen B. Jenal and Wieslaw J. Staszewski "Crack detection in glass plates using nonlinear acoustics with low-profile piezoceramic transducers", Proc. SPIE 7650, Health Monitoring of Structural and Biological Systems 2010, 765030 (8 April 2010); https://doi.org/10.1117/12.847279

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