A novel magnetic force transmission eddy current array probe and its application for nondestructive testing of defects in pipeline structures

S ** inspection vehicle using magnetic adsorption force
K Nagaya, T Yoshino, M Katayama… - Ieee/Asme …, 2012 - ieeexplore.ieee.org
A robot is developed which is able to climb on a perpendicular branched pi** and moves
on the ceiling in the pi** with the radio control. This inspection robot adsorbs to the pi** …

Development of a bidirectional-excitation eddy-current sensor with magnetic shielding: Detection of subsurface defects in stainless steel

Z Liu, J Yao, C He, Z Li, X Liu, B Wu - IEEE Sensors Journal, 2018 - ieeexplore.ieee.org
To reduce the effects of surface characteristics of materials and background noise of a
magnetic excitation field, a new sensor with magnetic shielding was developed for eddy …

Identification of crack orientation in electrically conductive materials using eddy current testing powered by rotational directive filter

W Matsunaga, X Xu, K Mizukami, Y Mizutani… - NDT & E …, 2025 - Elsevier
In this study, we developed a method to identify crack orientation in carbon fiber reinforced
thermoplastic (CFRTP) by controlling its electromagnetic field using a rotational directive …

Detection of cracks with arbitrary orientations in a metal pipe using linearly-polarized circular TE11 mode microwaves

G Chen, T Katagiri, H Song, N Yusa, H Hashizume - NDT & E International, 2019 - Elsevier
This study proposed a long-range non-destructive pipe inspection approach using linearly-
polarized circular TE 11 mode microwaves, enabling rapid detection of both axial and …

An online MFL sensing method for steel pipe based on the magnetic guiding effect

J Wu, H Fang, X Huang, H **a, Y Kang, C Tang - Sensors, 2017 - mdpi.com
In order to improve the sensitivity of online magnetic flux leakage (MFL) testing for steel pipe,
a sensing method based on the magnetic guiding effect is proposed and investigated in this …

A hybrid spiral-bobbin eddy current testing probe for detection of crack of arbitrary orientation in steam generator tubes

Y Zhao, M Wang, J Han, J Deng, Y Zhu… - Nondestructive …, 2022 - Taylor & Francis
This paper presents a new hybrid spiral-bobbin probe (S-bobbin probe) of transmitting-
receiving (TR) mode for efficient eddy current testing (ECT) of steam generator tubes in …

A hybrid nondestructive testing method of pulsed eddy current testing and electromagnetic acoustic transducer techniques based on wavelet analysis

S **e, S Yang, M Tian, R Zhao, Z Chen, Y Zheng… - NDT & E …, 2023 - Elsevier
It is found that the electromagnetic acoustic testing (EMAT) signal itself contains part of the
pulsed eddy current testing (PECT) signal. Therefore, if the pulsed eddy current signal …