There is described data processing at the flaw detector with combined multisectional eddy-current transducer and heterofrequency magnetic field. The application of this method for detecting flaws in rods and pipes under the conditions of significant transverse displacements is described.
Keywords
combined multisector eddy-current transducereddy-current testingnondestructive testing of bars and tubes
References
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V. K. Zhukov and P. A. Ovsyannikov, “ED-3.02 Electromagnetic Flaw Detector for Testing Long Cylindrical Articles,” Defektoskopiya, No. 4, pp. 30–36, 1983.
A. E. Goldshtein and S. A. Kalganov, “Eddy-Current Nondestructive Testing of Long Cylindrical Articles Using Spatial Magnetic-Field Components of Different Frequencies”, Defektoskopiya, No. 5, pp. 65–71, 2000.
V. F. Bulgakov, “Decrease in the Nonuniformity of the Sensitivity of Eddy-Current Transducers under Radial Displacements of Tested Articles”, Defektoskopiya, No. 9, pp. 3–8, 1999.
