Machado, MA, Rosado L, Pedrosa N, Miranda RM, Piedade M, Santos TG.
2017.
Customized Eddy Current Probes for Pipe Inspection. Studies in Applied Electromagnetics and Mechanics. :283-290.: IOS Press Ebooks
AbstractA novel Eddy Current (EC) probe configurations were developed to detect millimeter defects with any orientation on inner or outer pipe surfaces. The probes were designed and experimentally validated in different materials where the defects tested were identified with a high sensitivity and good signal-to-noise ratio.
Machado, MA, Antin K-N, Rosado LS, Vilaça P, Santos TG.
2019.
Contactless high-speed eddy current inspection of unidirectional carbon fiber reinforced polymer. Composites Part B: Engineering. 168:226-235.
AbstractThis 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.