Prediction of side-drilled hole signals in anisotropic cladding component
2011
Ultrasonic non-destructive inspections focus on detecting, locating, and eventually sizing defects in components. For quantitative characteristics of complex materials, good ultrasonic measurement models are more efficient than general experimental studies. In this paper, An efficient ultrasonic measurement model for a vessel component with anisotropic cladding layer is established by combining the multi-Gaussian beam model and the scattering model with the separation of variables method. The effects of anisotropic cladding and curved surface on beam propagation are investigated using the beam model. Also with the help of the measurement model, the system efficiency factor can be determined and the response from a side-drilled hole reflector can be predicted. Finally, the accuracy of the proposed model is verified by the comparisons of the model predictions to the experimental results.
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