Modeling of Ultrasonic Signals from a Side‐Drilled Hole Captured By a Rectangular Transducer
- Conference date: 31 July-5 August 2005
- Location: Brunswick, Maine (USA)
In ultrasonic nondestructive testing an angle beam transducer with a rectangular piezoelectric element is often adopted in practice to detect flaws. Also, a side‐drilled hole (SDH) is very widely used as a standard reflector in ultrasonic testing. For proper interpretation of the measurement results from a SDH using a rectangular transducer, it is very helpful to have a complete ultrasonic measurement model including an ultrasonic beam model of the rectangular transducer, a scattering model of the SDH, and an ultrasonic system model. Recently, a highly efficient ultrasonic beam model of the rectangular transducer and an accurate scattering model of the SDH have been proposed. Thus, in this study, by combining those components with a system efficiency factor for a rectangular transducer, we develop a complete ultrasonic measurement model to predict ultrasonic signals from a SDH. Based on this model, we have calculated the ultrasonic signals from a SDH at different transducer orientations. The predicted results are compared with the experiments.
- Ultrasonic transducers
- Piezoelectric transducers
- Scattering measurements
- Ultrasonic scattering
- Nondestructive testing
- Ultrasonic testing
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