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Viewing Welds By Computer TomographyComputer 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.
Document ID
19900000366
Document Type
Other - NASA Tech Brief
Authors
Pascua, Antonio G.
(Rockwell International Corp.)
Roy, Jagatjit
(Rockwell International Corp.)
Date Acquired
August 14, 2013
Publication Date
July 1, 1990
Publication Information
Publication: NASA Tech Briefs
Volume: 14
Issue: 7
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
MFS-29555
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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