Weld inspection system with dual flaw detection

Details Weld inspection system with dual flaw detection Weld inspection system with dual flaw detection

G - Physics

01

N

358/5.1

G01N 23/18 (2006.01) G01N 23/04 (2006.01) G01N 29/04 (2006.01) G01N 29/26 (2006.01)

Patent

CA 1096053

ABSTRACT OF THE DISCLOSURE A weld inspection system uses fluoroscopic flaw detec- tion particularly sensitive to volumetric type weld flaws and ultrasonic flaw detection particularly sensitive to planar type weld flaws. Both inspections are performed simultaneously throughout the pipe length. Each system marks the pipe with a distinguishing mark to identify the location of the flaw detected by that system. The fluoroscopic system is a high resolution system, the ultrasonic system avoids detection of minor non- rejectable variation in weld bead geometry and is calibrated to a desired sensitivity level.

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