한국자동차공학회논문집 (Transactions of the Korean Society of Automotive Engineers)

  • 제12권1호
  • /
  • Pages.130-137
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  • 2004
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  • 1225-6382(pISSN)
  • /
  • 2234-0149(eISSN)
한국자동차공학회 (The Korean Society of Automotive Engineers)
권호 표지

접착부재의 초음파 감쇠계수에 의한 계면균열 길이의 측정

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

  • 정남용 (숭실대학교 기계공학과) ;
  • 박성일 (숭실대학교 대학원 기계공학과)
  • 발행 : 2004.01.01
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초록

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.

키워드

참고문헌

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