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Proceedings Paper

Investigation of bond quality effects on piezoelectric sensing of impact damage
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Paper 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.

Paper Details

Date Published: 10 April 2007
PDF: 9 pages
Proc. SPIE 6530, Sensor Systems and Networks: Phenomena, Technology, and Applications for NDE and Health Monitoring 2007, 653012 (10 April 2007); doi: 10.1117/12.715234
Show Author Affiliations
Jeong K. Na, Univ. of Dayton Research Institute (United States)
James L. Blackshire, Air Force Research Lab. (United States)


Published in SPIE Proceedings Vol. 6530:
Sensor Systems and Networks: Phenomena, Technology, and Applications for NDE and Health Monitoring 2007
Kara J. Peters, Editor(s)

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