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Measurement of Interfacial Crack Length by Ultrasonic Attenuation Coefficients on Adhesively Bonded Components  

정남용 (숭실대학교 기계공학과)
박성일 (숭실대학교 대학원 기계공학과)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.12, no.1, 2004 , pp. 130-137 More about this Journal
Abstract
The ultrasonic attenuation coefficients were measured by interfacial crack length in the adhesive components of double-cantilever beam(DCB). The energy release rate, G, was obtained by the experimental measurement of compliance. The numerical analysis by the boundary element method(BEM) and Ripling's equation was investigated. The experimental results represent that the relation between interfacial crack length for the ultrasonic attenuation coefficient and energy release rate is increased proportionally. A measurement method of the interfacial crack length by the ultrasonic attenuation coefficient was proposed and discussed.
Keywords
Adhesively bonded components; Attenuation coefficient; Boundary element method; Double-cantilever beam; Energy release rate; Ultrasonic test;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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