Results 151 to 160 of about 1,153 (173)
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A quantitative analysis of pulsed video thermography
NDT & E International, 1991Abstract The defect imaging capability of a pulsed video thermography system is assessed by detailed quantitative analysis of its performance in imaging a set of well characterized artificial defects in a steel test-piece. An analytical model is presented which provides an understanding of the imaging process.
S.K. Lau, D.P. Almond, J.M. Milne
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SPIE Proceedings, 2007
Inspection of aerospace components has always been a challenge. Infrared thermography has demonstrated to be a useful tool for this matter. In this paper, we offer a comparative study involving three active techniques: pulsed thermography, lock-in thermography and vibrothermography.
Clemente Ibarra-Castanedo +5 more
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Inspection of aerospace components has always been a challenge. Infrared thermography has demonstrated to be a useful tool for this matter. In this paper, we offer a comparative study involving three active techniques: pulsed thermography, lock-in thermography and vibrothermography.
Clemente Ibarra-Castanedo +5 more
openaire +1 more source
Comparison between pulsed and modulated thermography in glass–epoxy laminates
NDT & E International, 2002Abstract Infrared (IR) thermography is a two-dimensional, non-contact technique which can be usefully employed in non-destructive evaluation of materials. Basically, two different approaches are possible: traditional pulse thermography (PT) and modulated (or lock-in) thermography (MT).
GIORLEO, GIUSEPPE, MEOLA, CAROSENA
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Pulsed phased thermography with the wavelet transform
AIP Conference Proceedings, 2000Pulsed thermography (PT) is a well established approach in nondestructive evaluation of materials: a short thermal perturbation stimulates the specimen of interest and the subsequent surface temperature evolution reveals specimen subsurface structure and thermal properties.
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Possible applications of pulse phase thermography
1996Recently, the fundamental of the ''pulse phase thermography'' approach were described. As it is recalled, this approach combine somehow the well-known ''pulse thermography'' and the ''modulated thermography'' for which specimens are submitted to periodical excitation. Some advantages of this novel approach were demonstrated as well.
X Maldague +3 more
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A Dataset of Pulsed Thermography for Automated Defect Depth Estimation
Applied Sciences (Switzerland), 2023Bernd Valeske +2 more
exaly
Diagnostics of panel paintings using holographic interferometry and pulsed thermography
Quantitative InfraRed Thermography Journal, 2010Domenica Paoletti +2 more
exaly