Apparatus and method for ultrasonic shear wave inspection

A shear wave inspection tool has a housing with a rotatable top removably fixable over a fastener hole in a structure. An aperture is positioned through the rotatable top and operable to couple an ultrasonic transducer such that when rotatable top is rotated, the ultrasonic transducer transmits a sh...

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Bibliographische Detailangaben
Hauptverfasser:	Shehab, Kareem, Rutherford, Paul Stanley, Summers, Kate Boudreau
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A shear wave inspection tool has a housing with a rotatable top removably fixable over a fastener hole in a structure. An aperture is positioned through the rotatable top and operable to couple an ultrasonic transducer such that when rotatable top is rotated, the ultrasonic transducer transmits a shear wave into the structure around the fastener hole inspecting the fastener hole for an anomaly. A shear wave inspection system includes the inspection tool, an ultrasonic transducer, an ultrasonic data instrument operable to acquire data from the ultrasonic transducer, the nature of the received data indicates the presence of an anomaly in the fastener hole. A method for detecting anomalies in a fastener hole includes removably fixing the inspection tool over a fastener hole and rotating the rotatable top such that the ultrasonic transducer transmits a shear wave in a controlled sweep around the fastener hole.