Quantitative Approach for Thickness and Conductivity Measurement of Monolayer Coating by Dual-Frequency Eddy Current Technique

A new approach is proposed to measure the coating material's thickness and its conductivity simultaneously by using the eddy current technique. The proposed approach can be used for a coating material with unknown or inhomogeneous conductivity. This is achieved by exploring an inverse algorithm...

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Veröffentlicht in:	IEEE transactions on instrumentation and measurement 2017-07, Vol.66 (7), p.1874-1882
Hauptverfasser:	Yu, Yating, Zhang, Dejun, Lai, Chao, Tian, Guiyun
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Coating Coating conductivity coating thickness Coatings Conductivity Conductivity measurement dual-frequency eddy current (EC) technique Eddy currents Error analysis Flux density Frequency measurement Magnetic flux Metals monolayer structure Protective coatings quantitative measurement Substrates Thickness measurement
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