Supersonic fault detection apparatus

Details Supersonic fault detection apparatus Supersonic fault detection apparatus

1978-04-24

1980-06-03

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

73901, G01N 2904

Patent

active

042055547

ABSTRACT:
A probe unit including a plurality of ultrasonic fault detection probes is moved along an object to be examined by a probe drive unit. The fault detection signals produced by the probes are transfer switched among a plurality of channels of a channel selector and the output of the channel selector is sampled by a high speed sampling device. A computer is connected to the probe drive unit, channel selector and the sampling device to apply operating signals thereto and to receive the outputs thereof.

REFERENCES:
patent: 3817089 (1974-06-01), Eggleton et al.
patent: 3857052 (1974-12-01), Beller
patent: 4058001 (1977-11-01), Waxman
Young et al., "Digitally Controlled Ultrasonics For Testing Steel on Line", Non-Destructive Testing, pp. 131-135, Jun. 1976.
Moyer et al, "Expanding Capability of Laboratory Ultrasonic Testing Facility", Materials Evaluation, pp. 193-204, Oct. 1973.
Stiefeld; "A Strategy for the Use of Minicomputer-Based Test System as General Purpose NDE Laboratory Tool", Materials Evaluation, pp. 97-103, Jun. 1973.

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