Method of adjusting ultrasonic test systems

Details Method of adjusting ultrasonic test systems Method of adjusting ultrasonic test systems

1977-07-15

1979-11-13

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

73611, G01N 2900

Patent

active

041738977

ABSTRACT:
An ultrasonic test system for inspection of structural material includes a test electronics for controlling a plurality of ultrasonic transmitter and receiver channels. This test electronics is operated by sequencing the system through the several channels, but the evaluating circuit is common to the receive channels. The duration of the test, timing of launching, timing of beginning receiving response signals, time and duration of looking windows for identifying and timing particular responses, and comparison data, all are operating and acquisition parameters for operating the electronics. These parameters are furnished from external sources and are programmable and exchangeable, e.g., from test to test. At least some of these parameters are updated on the basis of data as acquired during the test.

REFERENCES:
patent: 3555889 (1971-01-01), Weighart
patent: 3942358 (1976-03-01), Pies
B. G. W. Yee et al., Computer-Automated Ultrasonic Inspection System for Aircraft Forgings, AD 755-736, General Dynamics Technical Report AFML TA 73-194, Oct. 1973, PP1-102, P1-48 Relief On.
Young et al., Digitally Controlled Ultrasonics for Testing Steel on Line, Non-Destructive Testing, Jun. 1976, pp. 131-135.

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