The paper describes a new transducer dedicated for evaluation of a duplex stainless steel (DSS). Different phases which exist in\r\nDSS have influence on mechanical as well as on electrical properties. Therefore, an eddy current transducer was utilized. In order\r\nto achieve high sensitivity, a differential type of the transducer was selected. The performance of the transducer was verified by\r\nutilizing the samples which had a different amount of sigma phase.
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