Research on E-shape Magnetic Core Based Self-differential Mode pick-up Coil and Its Application for Fine Crack Non-destructive Testing

DOI

10.2991/iea-15.2015.20How to use a DOI?

Keywords

remote field eddy current; self-differential mode; pick-up coil; finite element simulation; detection sensitivity

Abstract

Remote field eddy current was proved to be an effective non-destructive testing method for tubular structure such as tubes and pipes. Further applications of remote field eddy current testing were restricted by disadvantages such as weak signal, over-long sensor, and poor ability to detect fine crack especially axial crack. Differential mode pick-up coil could make up the disadvantages to some extent. On the basis of analyzing advantages and disadvantages of conventional differential mode pick-up coil, a self-differential mode pick-up coil based on E-shape magnetic was proposed and verified by simulation and experiment. Conclusions could be deduced by simulation and experiment results: the performance of remote field eddy current could be improved significantly by using self-differential mode pick-up coil, and adverse effect which conventional differential mode usually brought could be avoided.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Xu Xiaojie
AU  - Zhang Zhanbin
AU  - Jia Yueling
PY  - 2015/09
DA  - 2015/09
TI  - Research on E-shape Magnetic Core Based Self-differential Mode pick-up Coil and Its Application for Fine Crack Non-destructive Testing
BT  - Proceedings of the AASRI International Conference on Industrial Electronics and Applications (2015)
PB  - Atlantis Press
SP  - 76
EP  - 80
SN  - 2352-5401
UR  - https://doi.org/10.2991/iea-15.2015.20
DO  - 10.2991/iea-15.2015.20
ID  - Xiaojie2015/09
ER  -