Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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Defect Evaluation for Weld Specimen of Bogie Using Infrared Thermography

적외선 서모그래피를 이용한 대차 용접시편의 결함 평가

  • Kwon, Seok Jin (New Transportation Systems Research Center, Korea Railroad Research Institute) ;
  • Seo, Jung Won (New Transportation Systems Research Center, Korea Railroad Research Institute) ;
  • Kim, Jae Chul (High-Speed Railroad Systems Research Center, Korea Railroad Research Institute) ;
  • Jun, Hyun Kyu (New Transportation Systems Research Center, Korea Railroad Research Institute)
  • 권석진 (한국철도기술연구원 신교통연구본부) ;
  • 서정원 (한국철도기술연구원 신교통연구본부) ;
  • 김재철 (한국철도기술연구원 고속철도연구본부) ;
  • 전현규 (한국철도기술연구원 신교통연구본부)
  • Received : 2015.05.28
  • Accepted : 2015.06.23
  • Published : 2015.07.01
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Abstract

There is a large interest to find reliable and automatic methods for crack detection and quantification in the railway bogie frame. The non-destructive inspection of railway bogie frame has been performed by ultrasonic and magnetic particle testing in general inspection. The magnetic particle method has been utilized in the defect inspection of the bogie frame but the grinding process is required before inspection and the dust is developed resulting from the processing. The objective of this paper is to apply the inspection method of bogie frame using infra-red thermography. The infra-red thermography system using the excitation of eddy current was performed for the defect evaluation of weld specimen inserted artificial defects. The result shows that the infra-red thermography method can detect the surface and inner defects in weld specimen for bogie frame.

Keywords

References

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