Processing of active thermal nondestructive testing results by the method of wavelet analysis

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Wavelet transforms can be used for active thermal nondestructive testing for the identification of flaws that are located at different depths and produce Gaussian-like signals characterized by a time shift on a heated surface. The results of the application of scalar and complex wavelet analysis for increasing the signal/noise ratio in the active thermal inspection of flaws in composite materials and thermal-barrier coatings, as well as also for revealing the corrosion in metals, are described. Parent Morlét, Paul, and Mexican-hat wavelets were used.

Original languageEnglish
Pages (from-to)276-283
Number of pages8
JournalRussian Journal of Nondestructive Testing
Volume47
Issue number4
DOIs
Publication statusPublished - 1 Apr 2011

Fingerprint

Wavelet analysis
Nondestructive examination
wavelet analysis
Defects
Thermal barrier coatings
defects
Processing
Wavelet transforms
inspection
corrosion
Inspection
Metals
Corrosion
scalars
coatings
composite materials
shift
Composite materials
metals
Hot Temperature

Keywords

  • active thermal inspection
  • composite materials
  • flaws
  • nonstationary processes
  • wavelet transform

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Processing of active thermal nondestructive testing results by the method of wavelet analysis. / Vavilov, V. P.; Shiryaev, V. V.; Khorev, V. S.

In: Russian Journal of Nondestructive Testing, Vol. 47, No. 4, 01.04.2011, p. 276-283.

Research output: Contribution to journalArticle

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