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Hybrid RFEC and transmission NDT for detection of lead-steel multilayers

Lookup NU author(s): Professor Bin Gao, Professor Gui Yun TianORCiD


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© 2017 IEEE. Lead-steel multilayered material has high thickness and is bonded of layers of ferromagnetic metal and non-ferromagnetic metal. Hence, it is challenging to inspect inner defects in steel layers. To achieve simultaneous inspection, a hybrid remote-field eddy current testing (RFECT) and transmitting-receiving (TR) testing method has been proposed and validated through numerical simulations. This testing system contains both UTC-based RFEC and transmission probes. To get satisfactory sensibilities of defects of different sizes at different depths, parameters of the probes are optimized through simulations. The mean sensibilities of 4 given crack positions of the optimized model have increased 1.84,1.91,3.926 and 0.714%. In addition, the simulation result can be used to supervise experiment investigation.

Publication metadata

Author(s): Luo S-R, Gao B, Tian G-Y, Li J-W, Tang G-P, Sun C-M

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Far East NDT New Technology and Application Forum (FENDT 2017)

Year of Conference: 2017

Pages: 220-223

Online publication date: 24/12/2018

Acceptance date: 02/04/2016

Publisher: IEEE


DOI: 10.1109/FENDT.2017.8584517

Library holdings: Search Newcastle University Library for this item

ISBN: 9781538616154