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Size retrieval of defects in composite material with lockin thermography

: Zöcke, C.M.; Langmeier, A.; Arnold, W.


Glorieux, C. ; Institute of Physics -IOP-, London:
15th International Conference on Photoacoustic and Photothermal Phenomena, ICPPP 2009 : 19-23.07.2009, Leuven
Bristol: IOP Publishing, 2009 (Journal of physics. Conference series 214.2009, Nr.1)
ISSN: 1742-6588
Art. 012093, 6 pp.
International Conference on Photoacoustic and Photothermal Phenomena (ICPPP) <15, 2009, Leuven>
Conference Paper, Journal Article
Fraunhofer IZFP ()

The article deals with the retrieval of the depths and sizes of defects situated in carbon fibers reinforced polymer material from optical lockin thermography phase images. A model that describes the images formation process in anisotropic, homogeneous material is presented. It is used to retrieve the depth and shape of the defects.