Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference (한국전기전자재료학회:학술대회논문집)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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A Study on PZT-5A Probe for Nondestructive Inspection

비파괴검사를 위한 PZT 5A 탐촉자에 관한 연구

  • 황현석 (성균관대학교 전기공학과) ;
  • 정규원 (성균관대학교 전기공학과) ;
  • 이종덕 (서남대학교 전기공학과) ;
  • 송준태 (성균관대학교 전기공학과)
  • Published : 1996.11.01
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Abstract

In this study, piezoelectric transducers were designed and manufactured using PZT-5A which had relatively high electromechanical coefficient, NDT system was developed with was able to inspect automatically using stepping motors, PC-Lab, and PC-Scope The optimum design conditions for NDT were presented and verified comparing PZT-5A probes with comercial probes. It was proved with comercial probes. It was proved by simulation and experiments that Epoxy is good as material of matching and backing layers. The envelope was reduced 60% with matching layer and 76% with matching and backing layer. NDT was successfully carried out for aluminum test pieces. Distance error of PZT-5A probe was 2.8%.

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