LWIR and MWIR thermography tools for composites assessment

N.P. Avdelidis, Eetta Saarimäki, Timo Kauppinen, P. Theodorakeas, A. Tati, E. Cheilakou, S. Fanou, M. Koui, C. Ennaceur

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    1 Citation (Scopus)

    Abstract

    Smart methods for assessing the integrity of a composite structure are essential to both reduce manufacturing costs and out of service time of the structure due to maintenance. Nowadays, thermal non-destructive testing (NDT) is commonly used for assessing composites. This research work evaluates the potential of various infrared thermography (IRT) approaches for assessing different types of fabricated defects (i.e. impact damage, inclusions for delaminations, etc) on Glass Fibre Reinforced Polymer (GFRP) and Carbon Fibre Reinforced Polymer (CFRP) plates. Measurements were performed using LWIR and three active approaches: a) pulsed thermography using the flash method (xenon flash lamps), b) transient themography using IR-heating pulse, and c) thermographic inspection for cooled sample by freezing in -20 °C and then use monitoring. Furthermore, integrated flash thermography by employing a MWIR system was also used. (10 refs.)
    Original languageEnglish
    Title of host publicationProceedings of the SPIE
    Subtitle of host publicationThermosense XXXII
    PublisherInternational Society for Optics and Photonics SPIE
    Number of pages11
    ISBN (Print)978-0-8194-8125-2
    DOIs
    Publication statusPublished - 2010
    MoE publication typeA4 Article in a conference publication
    Event SPIE Defense, Security, and Sensing. Thermosense XXXII - Orlando, FL, United States
    Duration: 6 Apr 20107 Apr 2010

    Publication series

    SeriesProceedings of SPIE
    Volume7661
    ISSN0277-786X

    Conference

    Conference SPIE Defense, Security, and Sensing. Thermosense XXXII
    Country/TerritoryUnited States
    CityOrlando, FL
    Period6/04/107/04/10

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