Earticle

초록

영어

Detection and sizing of defects are very important for structure life management base on fracture mechanics. The non-destructive inspection techniques based on the induced current field measurement are newly developed. This paper describes the results obtained by these techniques for artificial surface defects. In the case of the RICFM technique, the potential drop distribution around a surface defects was measured as a smaller potential drop than that in a place without a defect. This potential drop showed a minimum value at the defect location, and the absolute value of this minimum value increases depending on the depth of the defect. In the case of the FEF technique, the potential difference distribution for surface defects was measured as a maximum at the location of the defect. This maximum value showed a difference depending on the depth of the defect.

목차

Abstract
1. 서론
2. RICFM법과 FEF법
3. 실험방법
3.1 시험편
3.2 측정방법
4. 실험 결과 및 고찰
4.1 PC법과 RICFM법
4.2 FEF법
4. 결론
Reference

키워드

전위차 유도전류 교류전위차법 집중유도형교류전위차법 원격유도전류장측정법 집중전자기장법 Potential drop Induction current ACPD ICFPD RICFM FEF

저자

• 김훈 [ Hoon Kim | Department of Mechanical System Engineering, Chonnam National University, Korea ]
• 문봉호 [ Bong-ho Moon | Department of Mechanical System Engineering, Chonnam National University, Korea ] Corresponding Author

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