Apparatus and method for ultrasonic inspection of highly attenua

Details Apparatus and method for ultrasonic inspection of highly attenua Apparatus and method for ultrasonic inspection of highly attenua

1975-02-13

1979-08-28

Queisser, Richard C.

Measuring and testing

Vibration

By mechanical waves

73627, G01N 2904

Patent

active

041656490

ABSTRACT:
An ultrasonic inspection system is disclosed which provides for penetration of highly attenuative materials by use of the longitudinal mode of particle vibration. Separate transmitting and receiving transducers, which are electrically isolated, are utilized in the inspection system as are specially designed transducer wedges producing refracted longitudinal ultrasonic waves.

REFERENCES:
patent: 2799157 (1957-07-01), Pohlman
patent: 3485087 (1969-12-01), Brech
patent: 3546924 (1970-12-01), Nussbaum et al.
patent: 3552191 (1971-01-01), Heseding
patent: 3895685 (1975-07-01), Gillette
R. C. McMaster, Nondestructive Testing Handbook, sec. 44 pp. 14-19, sec. 45 p. 24, sec. 49 pp. 9-11, The Ronald Press Co., 1959, N.Y.

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