Abstract
The dual crystal transducer plays an important role in many practical ultrasonic inspections due to its outstanding near surface resolution and signal-to-noise ratio. In order to get a deeper understanding on the characteristics of this kind inspection system, it is essential to develop an ultrasonic measurement model for dual crystal probes. To address such a need, by combining a multi-Gaussian beam model and a scattering model with the separation of variables method, we provide an efficient ultrasonic measurement model for the dual element transducer. This measurement model can be used to determine the system efficiency factor and predict the responses of a side-drilled hole. Furthermore, the comparisons of model predictions with experimental results are presented to certify the accuracy of this provided model.
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Zhao, X., Gang, T. & Xu, C. Prediction of Side-Drilled Hole Signals Captured by a Dual Crystal Contact Probe. J Nondestruct Eval 29, 105–110 (2010). https://doi.org/10.1007/s10921-010-0069-1
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DOI: https://doi.org/10.1007/s10921-010-0069-1