Journal
COMPOSITES PART B-ENGINEERING
Volume 168, Issue -, Pages 226-235Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2018.12.021
Keywords
Carbon fiber reinforced polymer; Eddy current testing; Planar probe; High speed; Contactless
Funding
- Fundacao para a Ciencia e a Tecnologia [FCT-SFRH/BD/108168/2015]
- FCT-MCTES [PEst-OE/EME/UI0667/2014]
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This paper presents the development and the results of a customized eddy current (EC) non-destructive testing (NDT) system for highly demanding online inspection conditions. Several planar eddy current array probes were designed, numerically simulated and experimentally compared for the inspection of low conductivity unidirectional carbon fibre reinforced polymer (CFRP) ropes. The inspections were performed using a dedicated scanner device at 4 m/s with 3 mm probe lift-off where defects under 1 mm were detected with an excellent SNR. Different defect morphologies and sizes, such as broken fibres and lateral cuts, were successful detected and compared to conventional probes.
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