Estimation of defect depth in steel plate using lock-in IR thermography

• Autorzy: Zimnoch M. , Oliferuk W. , Maj M.
• Języki publikacji: EN

Abstrakty

EN

The paper deals with the application of lock-in active infrared thermography as one of the non-contact and nondestructive techniques used for defect depth estimation. Preliminary research was done by testing a specimen made of austenitic steel plate with artificially created defects, i.e. flat-bottom holes. The obtained dependence between defect depth and phase shift was presented for different frequencies of “thermal waves” generated inside the sample. The experiment was carried out to determine the application of the lock-in thermography approach in testing materials with a high thermal diffusivity.

Słowa kluczowe

EN

estimation; infrared thermography; thermal waves; austenitic steel

PL

estymacja; podczerwień; fale termiczne; stal austenityczna

• Wydawca: Oficyna Wydawnicza Politechniki Białostockiej
• Czasopismo: Acta Mechanica et Automatica
• Rocznik: 2010
• Tom: Vol. 4, no. 4
• Strony: 106--109
• Opis fizyczny: Bibliogr. 4 poz., rys.

Twórcy

autor

Zimnoch M.

autor

Oliferuk W.

autor

Maj M.

• Bialystok Technical University, Bialystok,

Bibliografia

• 1. Maldague X. P. V. (2001), Theory and practice of infrared technology for nondestructive testing, John Wiley & sons, Inc., Canada.
• 2. Manyong Ch. and others (2008), Quantitative determination of a subsurface defect of reference specimen by lock-in infrared thermography, NDT&E International, No. 41, 119–124.
• 3. Oliferuk W. (2008), Termografia podczerwieni w nieniszczących badaniach materiałów i urządzeń, Biuro Gamma, Warszawa.
• 4. Pickering S., Almond D. (2008), Matched excitation energy comparison of the pulse and lock-in thermography NDE techniques, NDT&E International, No. 41, 501–509.