Relatively long-lived bit produces high-quality holes. Effective combination of cutting-tool design, feed, and speed determined for drilling 3/16-and-1/4-in. (0.48-and 0.65-cm) diameter holes in 0.18 in. (0.46cm) thick GM3013A or equivalent graphite/epoxy corrugated spar without backup material and without coolant. Developed to produce holes in blind areas, optimal techniques yielded holes of high quality, with minimal or acceptable delamination and/or fiber extension on drill-exit side.


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    Titel :

    Drilling Holes in Graphite/Epoxy


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    01.05.1987



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Drilling Holes in Graphite/Epoxy Composites

    Daniels, J. G. / Ledbetter, Frank E., III / Penn, B. G. et al. | NTRS | 1986


    Effects of Holes on Graphite Cloth Epoxy Laminates Tension Strength

    J .A. Bailie / M.F. Duggan / L.M. Fisher et al. | AIAA | 1982


    Effects of Compression-Compression Fatigue Balanced Graphite/Epoxy Laminates with Holes

    James W. Mar / Michael J. Graves / David P. Maass | AIAA | 1981



    Effects of orthotropy and width on the compression strength of graphite-epoxy panels with holes

    Rhodes, M. D. / Mikulas, M. M., Jr. / Mcgowan, P. E. | NTRS | 1984