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Detecting Pores in SiC CoatingsLiquid-penetrant/fluorescence technique reveals cracks and pinholes in protective coatings. Developed for checking quality of overcoatings on silicon carbide layers on advanced carbon/carbon substrates. Technique similar to other liquid-penetrant/fluorescence techniques used to make pores visible. Porous areas absorb more suspension and therefore accumulate more fluorescent particles. They fluoresce more brightly than their surroundings.
Document ID
19860000441
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Hamilton, A. B. (LTV Aerospace and Defense)
Tummons, K. L. (LTV Aerospace and Defense)
Lawton, J. W. (LTV Aerospace and Defense)
Date Acquired
August 12, 2013
Publication Date
September 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 10
Issue: 5
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
MSC-21041
ISSN: 0145-319X
Report Number: MSC-21041
Accession Number
86B10441
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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