Thermographic techniques for the detection of cracks in metallic components

Darryl P Almond, Benjamin Weekes, Teng Li, Simon G Pickering, Erik Kostson, J Wilson, G Y Tian, S Dixon, S Burrows

Research output: Contribution to journalArticle

39 Citations (SciVal)


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.
Original languageEnglish
Pages (from-to)614-620
Number of pages7
JournalInsight: Non-Destructive Testing and Condition Monitoring
Issue number11
Publication statusPublished - Nov 2011


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