Ultrasonic non-destructive evaluation technique for structures o

Details Ultrasonic non-destructive evaluation technique for structures o Ultrasonic non-destructive evaluation technique for structures o

1980-01-31

1981-11-24

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

73643, G01N 2904

Patent

active

043016847

ABSTRACT:
Disclosed is a method for evaluating the structural integrity of an object, including the steps of generating a lowest order horizontal shear wave in the object, detecting the wave after it has propagated through the object, time gating the detected signal to reject nonuseful portions, Fourier transforming the time response of the detected signal into a frequency dependent response, and predicting the structural integrity of the object from the characteristics of the frequency response.

REFERENCES:
patent: 4052889 (1977-10-01), Mucciardi et al.
patent: 4127035 (1978-11-01), Vasile
patent: 4184374 (1980-01-01), Thompson et al.

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