Estimation of damage thickness in fibre-reinforced composites using pulsed thermography

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dc.contributor.authorSirikham, Adisorn
dc.contributor.authorZhao, Yifan
dc.contributor.authorNezhad, Hamed Yazdani
dc.contributor.authorDu, Weixiang
dc.contributor.authorRoy, Rajkumar
dc.date.accessioned2018-11-06T15:29:28Z
dc.date.available2018-11-06T15:29:28Z
dc.date.issued2018-10-31
dc.description.abstractNon-destructive-testing (NDT), including active thermography, has become an inevitable part of composite process and product verification, post-manufacturing. However, there is no reliable NDT technique available to ensure the interlaminar bond integrity during composite laminates integration, bonding or repair where the presence of thin airgaps in the interface of dissimilar polymer composite materials would be detrimental to structural integrity. This paper introduces a novel approach attempting to quantify the damage thickness of composites through a single-side inspection of pulsed thermography. The potential of this method is demonstrated by testing on three specimens with different types of defect, where the Pearson Correlation Coefficients of the thickness estimation for block defects and flat-bottom holes are 0.75 and 0.85, respectively. This approach will considerably enhance the degradation assessment performance of active thermography by extending damage measurement from currently two dimensions to three dimensions, and become an enabling technology on quality assurance of structural integrity.en_UK
dc.identifier.citationSirikham A, Zhao Y, Yazdani Nezhad H, et al., (2019) Estimation of damage thickness in fibre-reinforced composites using pulsed thermography. IEEE Transactions on Industrial Informatics, Volume 15, Issue 1, January 2019, pp. 445-453en_UK
dc.identifier.cris21964050
dc.identifier.issn1551-3203
dc.identifier.urihttps://doi.org/10.1109/TII.2018.2878758
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/13621
dc.language.isoenen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectActive thermographyen_UK
dc.subjectcomposite damage detectionen_UK
dc.subjectbonded repairen_UK
dc.subjectnonlinear system identificationen_UK
dc.subjectcorrelation analysisen_UK
dc.titleEstimation of damage thickness in fibre-reinforced composites using pulsed thermographyen_UK
dc.typeArticleen_UK

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