NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Collections About News Help Login
Back to Results
Penetrant-Indication-Measuring CompassModified drafting compass well suited to measurement of length of crack or width of area stained by penetrant-dye-inspection method. Equipped with any of variety of standard curved or straight pointed tips. Modification consists in coating tips with dye that fluoresces light pink under same ultraviolet inspection light causing penetrant dye to fluoresce yellow green. Used in locations inaccessible to conventional fluorescent comparator. Eliminates errors of optical distortion in comparator, also eliminates errors of interpolation.
Document ID
19910000277
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Schaefer, Lloyd (Rockwell International Corp.)
Date Acquired
August 14, 2013
Publication Date
June 1, 1991
Publication Information
Publication: NASA Tech Briefs
Volume: 15
Issue: 6
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
MFS-29643
Accession Number
91B10277
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

Available Downloads

There are no available downloads for this record.

Related Records

There are no records associated with this record.
No Preview Available