Phased array ultrasonic testing apparatus and testing method the

Details Phased array ultrasonic testing apparatus and testing method the Phased array ultrasonic testing apparatus and testing method the

1983-07-05

1985-02-05

Ciarlante, Anthony V.

Measuring and testing

Vibration

By mechanical waves

73619, 73628, G01N 2904

Patent

active

044972105

ABSTRACT:
A phased array ultrasonic testing apparatus includes: an array probe for ultrasonic transmission and reception; a transmitter for sequentially exciting transducers of the probe in a predetermined order; a circuit for preparing a composite signal from reception output from the probe; and a circuit for preparing an image signal indicating an internal flaw of a tested body in synchronism with the composite signal in accordance with a transmission beam index point and a steered angle of an ultrasonic main beam.

REFERENCES:
patent: 4070642 (1978-01-01), Iinuma et al.
patent: 4241610 (1980-12-01), Anderson
patent: 4446740 (1984-05-01), Wilson et al.
patent: 4458533 (1984-07-01), Borburgh
"Das Phased Array Als Neuer, Elektronisch Steuerbarer Ultraschallwandler In Der Werkstoffprufung" by W. Gebhardt, F. Bonitz, H. Woll.
Materials Evaluation vol. 40-1, "Characterization of Flow Location, Shape, and Dimensions with Alok System"; B. Grohs et al.; Jan. 1982.

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