연구논문집

Korea Institute of Machinery & Materials (한국기계연구원)
권호 표지

A Study on Real-Time Corrosion Thickness Measurement Technique of Insulated Pipeline

보온재 부착 파이프라인의 부식두께 측정에 관한 연구

  • 장지훈 (한국기계연구원 공인시험평가부 비파괴평가그룹) ;
  • 조경식 (한국기계연구원 공인시험평가부) ;
  • 이종오 (한국기계연구원 공인시험평가부 비파괴평가그룹) ;
  • 김기동 (한국지질자원연구원 환경지질연구부)
  • Published : 2001.12.20
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Abstract

The wall-thickness of insulated pipelines can be easily evaluated by measuring the gamma-ray transmission intensity because this intensity is inversely proportional to the thickness of insulated pipeline. The main purpose of this study is to develop the nondestructive and filmless on-line inspection system of corrosion by measuring the wall thickness of insulated pipeline. The inspection system is constructed with radioisotope, 64 channel photo diode array detector, crawler system and data taking and operating software. The traditional off-line radiographic method carried out by exposing film cassettes can be replaced by this cost-effective on-line digital imaging method and the application will be greatly expected especially in the chemical and petrochemical industries.

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