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ECT with Uniform Current Distribution for the Inspection of Sub-surface cracks in Conductive Plates

Pasadas, D. ; Ribeiro, A. L. ; Ramos, H.

ECT with Uniform Current Distribution for the Inspection of Sub-surface cracks in Conductive Plates, Proc IMEKO TC10 Workshop on Technical Diagnostics, Budapest, Hungary, Vol. , pp. - , June, 2017.

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Abstract
This paper reports a study concerning the
penetration of eddy current density in the material
when sub-surface linear cracks exist. Simulations
were performed for a set of different lengths and
depths of the crack using a sinusoidal excitation
current with uniform magnetic field distribution. The
dependences between the length/depth of the crack
and the magnetic field components (Bx and Bz) were
analyzed.