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Detection of structural damage in carbon fibre and metal structures using Lamb waves

Maclean, Alistair and Thursby, G.J. and Hogg, Hamish and Culshaw, Brian and Betz, Daniel (2007) Detection of structural damage in carbon fibre and metal structures using Lamb waves. In: SPIE 15th Annual International Symposium on Smart Structures and Materials & Nondestructive Evaluation and Health Monitoring, 2005-05-09.

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Abstract

The detection and location of holes in an isotropic aluminium plate using fibre Bragg grating rosettes to detect ultrasound Lamb waves is described. This is followed by a description of the anisotropic properties of a carbon fibre plate and their effect on hole detection. Finally, the issues involved in attempting to locate holes in an anisotropic samples are discussed and the possibility of achieving this assessed.