지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.12
- 수록면
- 531 - 538 (8page)
- DOI
- 10.4283/JMAG.2017.22.4.531
이용수
초록· 키워드
오류제보하기
Remote field eddy current testing (RFECT) can detect defects in ferromagnetic pipes without requiring a couplant and contact with the pipe wall. Because the response in the remote field zone is extremely low, testing requires high-sensitivity detection to sense low magnetic fields. Therefore, a magnetic circuit design comprising a RFECT system is necessary for excitation and reception. In this study, a RFECT system using a giant magnetoresistance (GMR) sensor is proposed, and magnetic circuits with magnets and/or yokes are designed and optimized for improved reception. To investigate the characteristics of the designed RFECT system, finite element analysis (FEA) and experiments are performed on various magnetic circuit system configurations. System performance is verified with respect to sensitivity and the detectability of defect characterizations in 4-inch ferromagnetic pipelines having different defect sizes. Consequently, the magnetic circuit system using the permalloy yoke shows the highest sensitivity, thus achieving effective RFECT detection.
목차
1. Introduction
2. Design Configuration of the GMRSensor for Signal Enhancement
3. Experiment Results and Discussion
4. Conclusion
References
참고문헌 (13)
참고문헌 신청
[학술지(정기간행물)] - Albert Teitsma / 2005 / / J. Pressure Vessel Technol 127 : 269 ~
[학술지(정기간행물)] - Hagen Schempf / 2010 / / J. Field Robot 27 : 217 ~
[학술지(정기간행물)] - Gopal Gantala / 2016 / / J. Nondestruct. Eval 35 : 2 ~
[학술지(정기간행물)] - Y. B. Chen / 2012 / / ASME Press. Vess. Pip 5 : 237 ~
[학술지(정기간행물)] - X. J. Xu / 2014 / / Sensors 14 : 24098 ~
[학술지(정기간행물)] - Hagen Schempf / 2010 / / J. Field Robot 27 : 217 ~
[학술지(정기간행물)] - Gopal Gantala / 2016 / / J. Nondestruct. Eval 35 : 2 ~
[학술지(정기간행물)] - Y. B. Chen / 2012 / / ASME Press. Vess. Pip 5 : 237 ~
[학술지(정기간행물)] - X. J. Xu / 2014 / / Sensors 14 : 24098 ~
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UCI(KEPA) : I410-ECN-0101-2018-428-001590391