Video-radiographic process and equipment for a quality controlle

Details Video-radiographic process and equipment for a quality controlle Video-radiographic process and equipment for a quality controlle

1985-04-29

1987-09-15

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Absorption

378 59, 378 99, 358111, G01N 2302

Patent

active

046944796

ABSTRACT:
A weld inspection process and an associated system for the determination and assessment of weld seams by first producing a flawless weld seam on a test specimen, making a point by point inspection of the test specimen using a pair of alternately pulsed X-ray or gamma ray sources, while generating signals which may be simultaneously displayed and stored, to form a permanent record of the test specimen weld seam, on a target plate. A point by point comparison of is made of a new, similar weld and the recorded image is instantaneously compared with the previously recorded, stored image of the flawless test weld. In the event of identical images, that point of the weld is deemed flawless, while a lack of identity indicates a flaw, in which event, the defective position is marked for subsequent repair, removal or total rejection.

REFERENCES:
patent: 2900513 (1959-08-01), Duffy
patent: 3924064 (1975-12-01), Nomura et al.
patent: 4409616 (1983-10-01), Ledley
patent: 4415980 (1983-11-01), Buchanan
patent: 4549306 (1985-10-01), Shideler et al.

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