Energy reflection flaw detection system

Details Energy reflection flaw detection system Energy reflection flaw detection system

1977-03-11

1978-07-04

Ruehl, Charles A.

Measuring and testing

Vibration

By mechanical waves

73602, G01N 2904

Patent

active

040981304

ABSTRACT:
An energy reflection flaw detection system utilizes a programmable system synchronization means having high stability and resolution, to facilitate the detection of flaws within an object to be analyzed even in the presence of relatively large amplitude reflections from front and back surfaces of the object. A surface encounter attenuator is actuated by the system synchronizer to highly attenuate the front and back surface echoes and allow flaws closely adjacent to the surfaces to be resolved by the broadband apparatus. Novel means for adjusting the system gain to compensate for divergence of the interrogating energy beam with time and distance is also utilized in this novel apparatus.

REFERENCES:
patent: 3823603 (1974-07-01), Couture
patent: 3972228 (1976-08-01), Mansson
patent: 3986389 (1976-10-01), Mesina

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