EXPERIMENTAL MEASUREMENTS OF THE EDDY CURRENT SIGNAL DUE TO A FLAWED, CONDUCTING HALF SPACE
- 1 December 1983
- journal article
- research article
- Published by Taylor & Francis in Nondestructive Testing Communications
- Vol. 1 (3) , 105-110
- https://doi.org/10.1080/10589758308952894
Abstract
An experimental investigation of the change in impedance of a practical multi-turn eddy current coil near a conducting half space has been undertaken. The real and imaginary parts of the impedance were measured as a function of both coil lift-off distance and conductivity. In addition the effect of a small flaw beneath the surface of the plane were also investigated as a function of flaw depth and flaw location. The resulting changes in impedance were compared and found to correlate well with previously derived theoretical results.Keywords
This publication has 4 references indexed in Scilit:
- Change in impedance of a single-turn coil due to a flaw in a conducting half spaceJournal of Nondestructive Evaluation, 1982
- The impedance of a single-turn coil near a conducting half spaceJournal of Nondestructive Evaluation, 1980
- Analytical Solutions to Eddy-Current Probe-Coil ProblemsJournal of Applied Physics, 1968
- The Reflected Impedance of a Circular Coil in the Proximity of a Semi-Infinite MediumIEEE Transactions on Instrumentation and Measurement, 1965