Improvement of SH-wave EMAT phased array inspection by new eight segment probes |
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Authors: | K Sawaragi H J Salzburger G Hübschen K Enami A Kirihigashi N Tachibana |
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Abstract: | This paper presents a newly developed electromagnetic acoustic transducers (EMAT) probe with eight transmitter and eight receiver segments aiming to improve performance of a phased array EMAT probe with four transmitter and four receiver segments. Results of tests on artificial flaws in HAZ in a 6 inch diameter austenitic mock-up pipe were shown for characterizing its performance. The UT result with a conventional Piezo transducer was also referred for comparison. |
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