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Drilling Holes in Graphite/Epoxy CompositesSlurry of silicon carbide powder in water fed onto bit while drilling. Slurry contains about 60 percent silicon carbide by weight. Slurry recirculated by low-power pump. With slurry, dull tools cut as fast as, or faster than, sharp ones. Holes drilled rapidly and efficiently regardless of ply orientation; whether unidirectional, quasi-isotropic symmetrical, or cross-ply.
Document ID
19850000398
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Daniels, J. G.
Ledbetter, Frank E., III
Penn, B. G.
White, W. L.
Date Acquired
August 12, 2013
Publication Date
January 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 9
Issue: 3
ISSN: 0145-319X
Subject Category
Machinery
Report/Patent Number
MFS-28044
Accession Number
85B10398
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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