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Cross-correlation-based approach for thermal non-destructive characterisation of carbon fibre reinforced plastics

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This paper highlights the applicability of the correlation-based pulse compression approach to thermal wave imaging for non-destructive characterisation of carbon fibre reinforced plastic (CFRP) material. Experiments have been carried out to detect flat-bottom holes and inclusions of various diameters in a CFRP specimen with a recently proposed correlation-based pulse compression (matched filter) approach for frequency modulated thermal wave imaging. Experimental results show the capabilities of the proposed method and the adopted image processing techniques for detecting subsurface defects in composite materials.
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Document Type: Research Article

Affiliations: 1 Born in Chukkavanipalem, Andhra Pradesh, India. He received a BSc in Electronics from MR College in 1996, an MSc in Electronics from Nagarjuna University in 1998, an MTech from the National Institute of Technology (NIT), Tiruchirapalli, in 2000 and a PhD degree from the Centre for Applied Research in Electronics, Indian Institute of Technology, Delhi, India, in 2006. He joined the Electronics and Communications Engineering Department, PDPM Indian Institute of Information Technology Design and Manufacturing, Jabalpur, as an Assistant Professor in 2007. His research interests include thermal, acoustical and optical imaging techniques for non-destructive characterisation.

Publication date: January 1, 2011

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