Computer tomography system used to inspect welds for root penetration. Source illuminates rotating welded part with fan-shaped beam of x rays or gamma rays. Detectors in circular array on opposite side of part intercept beam and convert it into electrical signals. Computer processes signals into image of cross section of weld. Image displayed on video monitor. System offers only nondestructive way to check penetration from outside when inner surfaces inaccessible.
Viewing Welds By Computer Tomography
NASA Tech Briefs ; 14 , 7
01.07.1990
Sonstige
Keine Angabe
Englisch
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