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Determining Fiber Orientation in Graphite-Reinforced CompositesOrientation of fibers in graphite-fiber-reinforced plastics easily determined with new method. Materials scientists thus ensure that fibers, usually not visible after graphite/plastic composite has been cured, properly oriented in test specimens and test results accurately represent the characteristics of composite. Method based on fact that continuous graphite fibers embeded in cured polymer matrix actually parallel conductors. Thus, resistance measured across laminate is at minimum when probes of ohmmeter connected to opposite ends of fibers.
Document ID
19850000205
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Daniels, J. G.
Ledbetter, Frank E., III
Clemon, J. M.
Penn, B. G.
White, W. T.
Date Acquired
August 12, 2013
Publication Date
October 1, 1985
Publication Information
Publication: NASA Tech Briefs
Volume: 9
Issue: 2
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
MFS-28032
Accession Number
85B10205
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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