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Detecting Residues On Grit-Blasted SurfacesAddition of fluorescent or iridescent material to plastic grit particles proposed for detection of grit residues after grit-blast cleaning. Residual films visible by observing grit-blasted surfaces under infrared or ultraviolet light. Plastic grit contains fluorescent or iridescent additive in core and coating. Wherever grit material becomes embedded, additive makes it visible under infrared or ultraviolet light. Applicable to other grit materials, for example fluorescent or iridescent materials added to particles of glass, silicon carbide, aluminum oxide, or zirconium silicate.
Document ID
19890000022
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Novak, H. L.
(United Technologies Corp.)
Zook, L. M.
(United Technologies Corp.)
Date Acquired
August 13, 2013
Publication Date
January 1, 1989
Publication Information
Publication: NASA Tech Briefs
Volume: 13
Issue: 1
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
MFS-28276
Accession Number
89B10022
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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