Pulsed phase thermography and fourier-analysis thermal tomography

V. P. Vavilov, S. Marinetti

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)


We consider the characteristic features of Fourier analysis of thermal processes that occur during dynamic thermal examination, using pulsed and modulated thermal excitation. The results of one-dimensional and two-dimensional analysis are compared. Tests of carbon-fiber-reinforced composites showed that a thermal wave penetrates 40 - 70% deeper into the product than the absolute value of its amplitude. Theoretical calibration curves of the phase shift versus the depth of defects in carbon-fiber-reinforced products were applied to the experimental data to synthesize phase thermal tomograms.

Original languageEnglish
Pages (from-to)134-145
Number of pages12
JournalRussian Journal of Nondestructive Testing
Issue number2
Publication statusPublished - Feb 1999

ASJC Scopus subject areas

  • Materials Science (miscellaneous)

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