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oai:uvadoc.uva.es:10324/577672022-12-14T20:02:59Zcom_10324_1191com_10324_931com_10324_894col_10324_1379

00925njm 22002777a 4500 dc Garcia Martin, Javier author Gómez Gil, Jaime author Vázquez Sánchez, Ernesto author 2011 Non-destructive techniques are used widely in the metal industry in order to control the quality of materials. Eddy current testing is one of the most extensively used non-destructive techniques for inspecting electrically conductive materials at very high speeds that does not require any contact between the test piece and the sensor. This paper includes an overview of the fundamentals and main variables of eddy current testing. It also describes the state-of-the-art sensors and modern techniques such as multi-frequency and pulsed systems. Recent advances in complex models towards solving crack-sensor interaction, developments in instrumentation due to advances in electronic devices, and the evolution of data processing suggest that eddy current testing systems will be increasingly used in the future. Sensors, 2011, vol. 11, n. 3, p. 2525-2565 1424-8220 https://uvadoc.uva.es/handle/10324/57767 10.3390/s110302525 2525 3 2565 Sensors 11 1424-8220 Non-destructive techniques based on Eddy current testing