Abstract
An effective approach to optimal design of Remote Field Eddy Current Testing (RFECT) system was introduced in this paper. Although the RFECT technique has unique advantages over other nondestructive testing methods, related information is not easy to be accessed by public. Designing approaches to two major components of the RFECT system – exciter and receiver coil - are documented in this paper. Simple equations including some novel investigation to predict performance of the coils are introduced. Then, to validate the proposed approach, performance of the RFECT system equipped with the designed coils was evaluated by an experiment. The experiment was conducted on 16-inch ferromagnetic pipe using the RFECT system showed good performance by detecting all defects machined on the pipe.
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