Abstract
Electromagnetically induced acoustic emission technique is a new nondestructive testing technology. By electromagnetically induced high density eddy current pulse, we can get a strong signal which can be used to locate small flaws in a thin-walled structure nondestructively. The strength of the acoustic emission signal determines the accuracy of the signal detection. This paper presents two three-dimensional finite element models for signal detection electromagnetic ultrasonic transducer, and the analysis based on three-dimensional finite element simulation on sensitivity of models with different coil shapes has been performed, and the matching problem between permanent magnet and coil size is also considered.
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Zhang, G., Yang, Q., Jin, L. (2015). Three-Dimensional Finite Element Simulation of Signal Detection Transducer for Electromagnetically Induced Acoustic Emission. In: Shen, G., Wu, Z., Zhang, J. (eds) Advances in Acoustic Emission Technology. Springer Proceedings in Physics, vol 158. Springer, New York, NY. https://doi.org/10.1007/978-1-4939-1239-1_61
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DOI: https://doi.org/10.1007/978-1-4939-1239-1_61
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