Low voltage operation of 2D ultrasonic arrays for NDT (original) (raw)

IEEE Ultrasonics Symposium, 2005., 2005

Abstract

The use of ultrasonic array transducers for non- destructive testing is presently growing rapidly, supported by the introduction of several new commercial array controllers. However, practical problems with the flexibility of 1D arrays have been realized. For example, it is impossible to skew the beam on curved surfaces without losing acoustic coupling. As 2D ultrasonic arrays allow 3D beam steering,

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