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Electrostatic induction thermography

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


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© 2017 IEEE. At the request of the industrial development, induction thermography has emerged as a new nondestructive testing method for surface and subsurface defect detection. However, there exists several problems such as the requirements of excessive excitation power and the limited detection depth. This paper presents a new electrostatic induction thermography NDT method, which can effectively reduce the excitation power and improve the detection depth. Electrostatic induction thermography is based on electrostatic induction effect while using voltage with both positive and negative step to excite and induce current in sample. The sample will be heated up by the induction current and the defect information will be visualized by analysing the thermal pattern. This study investigates excitation source, detection effect and heating depth. In addition, the contrast experiment between pulsed eddy thermography and electrostatic induction thermography has been conducted. It confirms the validity and advantage of the electrostatic induction thermography.

Publication metadata

Author(s): Zhao J, Gao B, Qiu F, Feng Q, Lu P, Tian GY

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: 224-227

Online publication date: 24/12/2018

Acceptance date: 02/04/2016

Publisher: IEEE


DOI: 10.1109/FENDT.2017.8584611

Library holdings: Search Newcastle University Library for this item

ISBN: 9781538616154