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Thermographic techniques for the detection of cracks in metallic components

Lookup NU author(s): Professor Gui Yun TianORCiD

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Abstract

Work on three thermographic NDE techniques that have been developed to locate and image cracks in metallic components is reviewed. These techniques are: thermosonics (sonic IR, ultrasonically stimulated thermography); laser spot thermographic imaging; and pulsed eddy current stimulated thermography. The three techniques are explained and examples are given of their performance in imaging well-characterised cracks. Factors concerning the practical and reliable implementation of the techniques are discussed.

Publication metadata

Author(s): Almond DP, Weekes B, Li T, Pickering SG, Kostson E, Wilson J, Tian GY, Dixon S, Burrows S

Publication type: Article

Publication status: Published

Journal: Insight

Year: 2011

Volume: 53

Issue: 11

Pages: 614-620

Print publication date: 01/11/2011

ISSN (print): 1354-2575

ISSN (electronic): 1754-4904

Publisher: British Journal of Non-Destructive Testing

URL: http://dx.doi.org/10.1784/insi.2011.53.11.614

DOI: 10.1784/insi.2011.53.11.614

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