Investigation of bond quality effects on piezoelectric sensing of impact damage

Jeong K. Na; James L. Blackshire

doi:10.1117/12.715234

10 April 2007 Investigation of bond quality effects on piezoelectric sensing of impact damage

Jeong K. Na, James L. Blackshire

Proceedings Volume 6530, Sensor Systems and Networks: Phenomena, Technology, and Applications for NDE and Health Monitoring 2007; 653012 (2007) https://doi.org/10.1117/12.715234
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2007, San Diego, California, United States

Abstract

Elastic waves generated by foreign materials impacting surfaces of aerospace vehicle can be used to detect and quantify the severity of damage. Passive acoustical emission sensors, made of piezoelectric elements, are typically used as impact signal detection devices. In this study, we have concentrated on characterizing the bonding qualities of piezoelectric sensors in terms of various bonding materials and adhesion conditions such as bond strength, bond stiffness, partial bonding, and disbonding. The experiment has been performed with an automated impact testing setup under controlled bonding and disbonding conditions in an attempt to establish a standardized sensor bond quality inspection methodology.

Citation Download Citation

Jeong K. Na and James L. Blackshire "Investigation of bond quality effects on piezoelectric sensing of impact damage", Proc. SPIE 6530, Sensor Systems and Networks: Phenomena, Technology, and Applications for NDE and Health Monitoring 2007, 653012 (10 April 2007); https://doi.org/10.1117/12.715234

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