Drilling Holes in Graphite/Epoxy Composites

Daniels, J. G.; Ledbetter, Frank E., III; Penn, B. G.; White, W. L.

NASA NTRS · 19850000398

Drilling Holes in Graphite/Epoxy Composites

Daniels, J. G.·Ledbetter, Frank E., III·Penn, B. G.·White, W. L.

Abstract

Slurry 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.

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Daniels, J. G., Ledbetter, Frank E., III, Penn, B. G., White, W. L.. 1986-01-01. Drilling Holes in Graphite/Epoxy Composites. https://ntrs.nasa.gov/citations/19850000398

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