Hidden corrosion detection in thick metallic components by transient IR thermography

Grinzato, E.; Вавилов, В. П.; Bison, P.; Маринетти, С.

doi:10.1016/j.infrared.2006.06.011

Cited by 40 publications

(18 citation statements)

References 8 publications

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“…It can be used as a non-destructive testing method in many different fields, e.g. in medicine, agriculture, the environment, and thermo-fluid dynamics, as well as for the inspection of industrial and civil engineering materials [2][3][4][5]. In passive thermography [6], differences in the surface temperature of the investigated object can be observed without using an external stimulus.…”

Section: Introductionmentioning

confidence: 99%

Determination of the applicability and limits of void and delamination detection in concrete structures using infrared thermography

Cotič

Kolarič

Bosiljkov

et al. 2015

NDT & E International

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Section: Introductionmentioning

confidence: 99%

Determination of the applicability and limits of void and delamination detection in concrete structures using infrared thermography

Cotič

Kolarič

Bosiljkov

et al. 2015

NDT & E International

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“…Improvements are available by 3D modelling to take into account heat diffusion and thick metallic surfaces 6,13 . A simpler possibility is to use automatic image analysis to detect "defects".…”

Section: Experimental Results Obtained By Thermographymentioning

confidence: 99%

NDT methods in artwork corrosion monitoring

Ambrosini¹,

Paoletti

et al. 2007

SPIE Proceedings

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The interaction of materials with the atmosphere has recently received increased attention. Although the interaction between atmosphere chemistry, weathering and pollutants deposition is complex, there is a need for measuring the surface materials lost through weathering and acid rain by art objects. In fact, data regarding material response to different conditions can be used to predict long-term trends in degradation as well as to assess deterioration process parameters. Conventional inspection techniques, such as ultrasonic measurements or X-ray radiography, can be timeconsuming and/or expensive. In principle, methods to monitor artwork corrosion should have the following features: non-contact nature, fast and inexpensive operations, good sensitivity. In this paper an investigation on detection and monitoring of artwork corrosion by infrared thermography and optical techniques is carried out. In IR thermography, material loss is related to thermal contrast, which is defined as a suitable normalization of temperature differences on the specimen. Optical techniques basically rely on optical contouring, which leads to a 3D map of the surface. Experimental results obtained using simple inversion procedure for IR data are compared with optical results.

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“…In reflection technique a pulse of energy (flash light) is released on one surface of the solid to test while corrosion is present on the opposite (unaccessible) surface. Explicit formulae for the evaluation of material loss are available from literature [1,2].…”

Section: Introductionmentioning

confidence: 99%