Damage Detection Analysis Using Lamb Waves in Restricted Geometry for Aerospace Applications
Roman T. Underwood
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Damage Detection Analysis Using Lamb Waves in Restricted Geometry for Aerospace Applications

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A goal of structural health monitoring (SHM) is to increase aircraft readiness through condition based maintenance (i.e. servicing an aircraft only when it is known to be necessary). The lead ziconate titanate (PZT) is a commonly used piezoelectric transducer that has shown potential to detect damage in aircraft structures without time consuming manual inspections. But many locations identified by the USAF for SHM have restricted geometries, presenting difficulties using the PZT transducers successfully. One known fatigue location in an aircraft bulkhead has been selected as a basis to evaluat...