Materials Transactions Online

Materials Transactions, Vol.53 No.04 (2012) pp.601-603
© 2012 The Japanese Society for Non-Destructive Inspection

Nondestructive Assessment of Glass Fibre Composites by Mid-Wave and Near Infrared Vision

Clemente Ibarra-Castanedo1, Abdelhakim Bendada1, Nicolas P. Avdelidis2 and Xavier P. V. Maldague1

1Computer vision and systems laboratory, Electrical and Computing Engineering Department, Université Laval, Quebec City (Quebec) G1V 0A6, Canada
2Materials Science and Engineering Section, School of Chemical Engineering, National Technical University of Athens, Athens 157 80, Greece

The nondestructive testing (NDT) of composites is a critical step for the early detection and repair of industrial components. Infrared (IR) vision has demonstrated to be an attractive inspection technique, allowing a fast and straightforward examination of the integrity of materials and parts in a non-invasive and non-contact manner. In this study, mid-wave infrared (MWIR) thermography and near infrared (NIR) vision are investigated for the NDT inspection of a glass fibre sample with fabricated subsurface defects of different types. The main advantages and limitations of each technique are discussed and some comparative experimental results are provided.

(Received 2009/11/20; Accepted 2011/03/11; Published 2012/03/25)

Keywords: infrared vision, infrared thermography, mid-wave infrared, near infrared, reflectography, glass fibre composites, nondestructive testing

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© 2012 The Japanese Society for Non-Destructive Inspection
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