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Eddy current pulsed thermography for fatigue evaluation of gear

Lookup NU author(s): Professor Gui Yun TianORCiD, Dr Aijun Yin, Dr Bin Gao, Dr Jishan Zhang, Professor Brian Shaw


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The pulsed eddy current (PEC) technique generates responses over a wide range of frequencies, containing more spectral coverage than traditional eddy current inspection. Eddy current pulsed thermography (ECPT), a newly developed non-destructive testing (NDT) technique, has advantages such as rapid inspection of a large area within a short time, high spatial resolution, high sensitivity and stand-off measurement distance. This paper investigates ECPT for the evaluation of gear fatigue tests. The paper proposes a statistical method based on single channel blind source separation to extract details of gear fatigue. The discussion of transient thermal distribution and patterns of fatigue contact surfaces as well as the non-contact surfaces have been reported. In addition, the measurement for gears with different cycles of fatigue tests by ECPTand the comparison results between ECPT with magnetic Barkhausen noise (MBN) have been evaluated. The comparison shows the competitive capability of ECPT in fatigue evaluation. © 2014 AIP Publishing LLC.

Publication metadata

Author(s): Tian GY, Yin A, Gao B, Zhang J, Shaw B

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 40th Annual Review of Progress in Quantitative Nondestructive Evaluation: incorporating the 10th International Conference on Barkhausen Noise and Micromagnetic Testing

Year of Conference: 2014

Pages: 1652-1662

Print publication date: 18/02/2014

Acceptance date: 01/01/1900

ISSN: 0094-243X

Publisher: American Institute of Physics


DOI: 10.1063/1.4865022

Library holdings: Search Newcastle University Library for this item

Series Title: AIP Conference Proceedings

ISBN: 9780735412118