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izvor podataka: crosbi

Detection of osmotic damages in GRP boat hulls (CROSBI ID 194404)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Krstulović-Opara, Lovre ; Domazet, Željko ; Garafulić, Endri Detection of osmotic damages in GRP boat hulls // Infrared physics & technology, 60 (2013), 359-364. doi: 10.1016/j.infrared.2013.06.011

Podaci o odgovornosti

Krstulović-Opara, Lovre ; Domazet, Željko ; Garafulić, Endri

engleski

Detection of osmotic damages in GRP boat hulls

Infrared thermography as a tool of non-destructive testing is method enabling visualization and estimation of structural anomalies and differences in structure‟s topography. In presented paper problem of osmotic damage in submerged glass reinforced polymer structures is addressed. The osmotic damage can be detected by a simple humidity gauging, but for proper evaluation and estimation testing methods are restricted and hardly applicable. In this paper it is demonstrated that infrared thermography, based on estimation of heat wave propagation, can be used. Three methods are addressed ; Pulsed thermography, Fast Fourier Transform and Continuous Morlet Wavelet. An additional image processing based on gradient approach is applied on all addressed methods. It is shown that the Continuous Morlet Wavelet is the most appropriate method for detection of osmotic damage.

pulsed thermography; Fast Fourier transform; Continuous Morlet Wavelet; thermal gradient; osmotic damages

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Podaci o izdanju

60

2013.

359-364

objavljeno

1350-4495

10.1016/j.infrared.2013.06.011

Povezanost rada

Strojarstvo

Poveznice
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