Three-dimensional subsurface defect shape reconstruction and visualisation by pulsed thermography

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dc.contributor.authorSirikham, Adisorn
dc.contributor.authorZhao, Yifan
dc.contributor.authorLiu, Haochen
dc.contributor.authorXu, Yigeng
dc.contributor.authorWilliams, Stewart
dc.contributor.authorMehnen, Jorn
dc.date.accessioned2020-01-22T14:58:11Z
dc.date.available2020-01-22T14:58:11Z
dc.date.issued2019-12-04
dc.description.abstractDefects detected by most thermographic inspection are represented in the form of 2D image, which might limit the understanding of where the defects initiate and how they grow over time. This paper introduces a novel technique to rapidly estimate the defect depth and thickness simultaneously based on one single-side inspection. For the first time, defects are reconstructed and visualised in the form of a 3D image using cost-effective and rapid pulsed thermography technology. The feasibility and effectiveness of the proposed solution is demonstrated through inspecting a composite specimen and a steel specimen with semi-closed airgaps. For the composite specimen, this technique can deliver comparatively low averaged percentage error of the estimated total 3D defect volume of less than 10%.en_UK
dc.identifier.citationSirikham A, Zhao Y, Liu H, et al., (2020) Three-dimensional subsurface defect shape reconstruction and visualisation by pulsed thermography. Infrared Physics and Technology, Volume 104, January 2020, Article number 103151en_UK
dc.identifier.issn1350-4495
dc.identifier.urihttps://doi.org/10.1016/j.infrared.2019.103151
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/14995
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectActive thermographyen_UK
dc.subject3D visualisationen_UK
dc.subjectSubsurface defectsen_UK
dc.subjectDefect thicknessen_UK
dc.titleThree-dimensional subsurface defect shape reconstruction and visualisation by pulsed thermographyen_UK
dc.typeArticleen_UK

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