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EDDY CURRENT TESTING AND SIZING OF FATIGUE CRACKS

This study proposes an investment for the evaluation of fatigue cracks by eddy current testing (ECT). Fatigue cracks (FC) manufactured on SUS316 plates are detected using ECT. Inverse analysis is applied to the ECT signals and both crack depth and length are estimated. Two models are applied, one is the EDM model without conductivity, and the other is the SCC model with partial conductivity. The detection and sizing results are discussed in this paper.