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Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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Development of a manual air-coupled ultrasonic inspection instrument for use on aeronautical structures under in-service conditions

Gachagan, A. and Kelly, S. and Altman, M. and Grauvogl, E. and Hayward, G. and Banks, Robert and Mccunnie, Thomas and Skillen, David (2002) Development of a manual air-coupled ultrasonic inspection instrument for use on aeronautical structures under in-service conditions. In: 29th Annual Review of Progress in Quantitative Nondestructive Evaluation, 2002-07-14 - 2002-07-19.

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Abstract

This paper describes the development programme for a portable non-contact inspection system, suitable for in-service inspection of aeronautical structures. The instrument is powered from a re-chargeable battery pack which provides over six hours of continuous usage. The transducer front end is a lightweight, hand-held assembly in which a pair of piezocomposite transducers are housed. Angular adjustment of the transducers enables the instrument to operate into a variety of materials, with metallic and composite materials of primary interest. Importantly, a single channel oscilloscope has, been incorporated to provide visual interpretation of the processed received signal. Defect detection is demonstrated in a number of aerospace samples, with the resultant C-scans presented where appropriate.