Piezoelectric damage detection device
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United States of America Patent
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Dec 30, 2008
Grant Date -
Apr 20, 2006
app pub date -
Mar 3, 2005
filing date -
Mar 3, 2004
priority date (Note) -
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Abstract
A device for use in detecting structural damage includes at least one piezoelectric wafer that has a sensor, and an actuator in-plane with the sensor. At least one of the sensor and the actuator at least partially surrounds the other of the sensor and the actuator such that the piezoelectric wafer provides radial detection of structural occurrences in a material.
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