Non-contact ultrasonic inspection of skin/core bond in honeycomb with lamb waves

Donatella Cerniglia, Donatella Cerniglia, B. Boro Djordjevic

Research output: Contribution to conferenceOtherpeer-review

16 Citations (Scopus)

Abstract

The assessment of skin/core bond in honeycomb samples was carried out by a bistatic ultrasonic non-contact system. Lamb waves were generated by a Nd:YAG pulsed laser and detected by an air-coupled capacitance transducer located in pitch-catch configuration. Periodically spaced line sources, generated on the sample surface using a four element lenticular array, allowed generation of narrow-band directional Lamb waves. Changes in amplitude of the transmitted signal permitted detection of skin/core disbonds.
Original languageEnglish
Pages749-752
Number of pages4
Publication statusPublished - 2002

All Science Journal Classification (ASJC) codes

  • Acoustics and Ultrasonics

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