INTERFACE INSPECTION METHOD AND APPARATUS FOR COMPOSITE STRUCTURE
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United States of America Patent
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app pub date -
Feb 9, 2015
filing date -
Nov 28, 2012
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Abandoned
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Abstract
An interface inspection method according to the present invention includes a step S1 of transmitting ultrasound to a composite structure to be inspected, via an ultrasound generating unit adapted to generate ultrasound of a frequency suitable for a member making up the composite structure and acquiring a signal waveform by receiving a reflected wave from the composite structure using a receiving unit; a step S2 of performing signal processing on the acquired signal waveform and acquiring signal amplitude versus frequency characteristics; and a step S3 of determining an interface condition of the composite structure based on an amplitude in a frequency band unique to the composite structure as observed on the signal waveform subjected to signal processing.
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