Pulse phase thermography and thermal tomography using Fourier transformation

V. P. Vavilov, S. Marinetti

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


Fourier analysis of thermal processes during dynamic thermal testing with usage of pulse and modulated thermal excitation is considered. It is shown that when testing carbon-plastic composite, the penetration depth of the thermal wave phase is more by 40-70% than for its amplitude module. The theoretical calibration dependences of the phase shift on the defect depth are obtained for carbon-plastic articles. Application of these dependences permit to synthesize the thermal phase tomograms.

Original languageEnglish
Pages (from-to)58-72
Number of pages15
Issue number2
Publication statusPublished - Feb 1999

ASJC Scopus subject areas

  • Engineering(all)

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