Method for nondestructive material testing with ultrasound pulse

Details Method for nondestructive material testing with ultrasound pulse Method for nondestructive material testing with ultrasound pulse

1980-06-17

1982-10-19

Ciarlante, Anthony V.

Measuring and testing

Vibration

By mechanical waves

73628, G01N 2904

Patent

active

043543880

ABSTRACT:
A method for ultrasonic fault localization, in which the fault is determined from the travel time of the ultrasound pulses and the echo pulses, in which an echo pulse reflected in the workpiece at a fault is received at three different points on the surface, the electronic echo pulses are electronically added in phase with a delay dependent on the different propagation times, and fed to an electronic time window such that during the open time of the time window, only echo pulses from the fault are picked up. The fault is displayed graphically as to size, position and shape.

REFERENCES:
patent: 3683680 (1972-08-01), Johnson et al.
patent: 4012952 (1977-03-01), Dury
patent: 4173007 (1979-10-01), McKeighen et al.

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