Research on the mechanism of electromagnetic ultrasonic energy transfer based on dynamic multi-magnetic vector coupling
Jia Zhang,
Yan-hao Xing,
Hai-bo Pang
Abstract:The traditional electromagnetic acoustic transducer(EMAT) in steel plate inspection has a problem of suboptimal energy transfer efficiency due to fixed static sensitivity. The dynamic sensitivity detection method with multi-magnetic vector coupling is proposed based on the principle of mutual conversion of electromagnetic fields inside and outside the workpiece. The conversion relationship of multi-magnetic vector coupling was analyzed, and then a mathematical model of rotational wave displacement between wave… Show more
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