Method and apparatus for the ultrasonic detection of flaws in ho

Details Method and apparatus for the ultrasonic detection of flaws in ho Method and apparatus for the ultrasonic detection of flaws in ho

1978-01-05

1979-11-27

Ruehl, Charles A.

Measuring and testing

Vibration

By mechanical waves

73644, G01N 2904

Patent

active

041754425

ABSTRACT:
A method and apparatus for the ultrasonic detection of pipe cavity in hot slabs, blooms, and billets to determine the optimum cropping length. An ultrasonic transducer surrounded by a water-jacket for circulating a cooling medium is embedded in a blade of the crop shear of a primary mill. The pressure of the shear blade against the workpiece is utilized to create the proper acoustic couple between the workpiece and the transducer.

REFERENCES:
patent: 2875607 (1959-03-01), Boxcer et al.
patent: 3548644 (1970-12-01), O'Connor et al.
patent: 3585865 (1971-06-01), Bungart et al.
patent: 3782228 (1974-01-01), Lindemann et al.
patent: 3789656 (1974-02-01), Miller

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