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TECHNICAL PAPERS

Drilling of Aramid and Carbon Fiber Polymer Composites

[+] Author and Article Information
M. S. Won, C. K. H. Dharan

Department of Mechanical Engineering, University of California at Berkeley, Berkeley, CA 94720-1740

J. Manuf. Sci. Eng 124(4), 778-783 (Oct 23, 2002) (6 pages) doi:10.1115/1.1505854 History: Received March 01, 2000; Revised September 01, 2001; Online October 23, 2002
Copyright © 2002 by ASME
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References

Wong, T. L., Wu, S. M., and Croy, G. M., 1982, “An Analysis of Delamination in Drilling Composite Materials,” 14th National SAMPE Technical Conference, October 12–14, pp. 471–483.
Koenig,  W., Wulf,  C., Grass,  P., and Willerscheid,  H., 1985, “Machining of Fiber Reinforced Plastics,” CIRP Ann., 34(2), pp. 537–548.
Koenig,  W., and Grass,  P., 1989, “Quality Definition and Assessment in Drilling for Fiber Reinforced Thermosets,” CIRP Ann., 38(1), pp. 119–124.
Hocheng, H., Puw, H. Y., and Yao, K. C., 1992, “Experimental Aspects of Drilling of Some Fiber-Reinforced Plastics,” Symposium on Machining of Composite Materials, Chicago, pp. 127–138.
Dillio, A., Paoletti, A., Tagliaferri, V., and Veniali, F., 1992, “Progress in Drilling of Composite Materials,” Symposium on Machining of Composite Materials, Chicago, pp. 199–203.
Tagliaferri,  V., Caprino,  G., and Diterlizzi,  A., 1990, “Effect of Drilling Parameters on the Finish and Mechanical Properties of GFRP Composites,” Int. J. Mach. Tools Manuf., 30(1), pp. 77–84.
Park,  K. Y., Choi,  J. H., and Lee,  D. G., 1995, “Delamination-Free and High Efficiency Drilling of Carbon Fiber Reinforced Plastics,” J. Compos. Mater., 29(15), pp. 1988–2002.
Chen,  W. C., 1997, “Some Experimental Investigations in the Drilling of Carbon Fiber-Reinforced Plastic (CFRP) Composite Laminates,” Int. J. Mach. Tools Manuf., 37(8), pp. 1097–1108.
Ho-Cheng,  H., and Dharan,  C. K. H., 1990, “Delamination During Drilling in Composite Laminates,” ASME J. Eng. Ind., 112, pp. 236–239.
Jain,  S., and Yang,  D. C. H., 1994, “Delamination-Free Drilling of Composite Laminates,” ASME J. Eng. Ind., 116, pp. 475–481.
Saghizadeh,  H., and Dharan,  C. K. H., 1986, “Delamination Fracture Toughness of Graphite and Aramid Epoxy Composites,” ASME J. Eng. Mater. Technol., 108, pp. 290–295.
Bahadur,  S., 1991, “Mechanical and Tribological Behavior of Polyester Reinforced with Short Fibers of Carbon and Aramid,” Lubr. Eng., 47(8), pp. 661–667.
Dharan, C. K. H., Tomizuka, M., Won, M. S., Ozaki, M., and Sheng, Y., 1998, “Integration of Machine Control Schemes in the Machining of Composite Materials,” 3rd International Conference on Integrated Design & Process Tech., ASME Eng. Syst. Design & Analysis Conference, Berlin, Germany, pp. 294–301.
Oxford,  C. J., 1955, “On the Drilling of Metals: Part 1—Basic Mechanics of the Process,” Trans. ASME, 77, pp. 103–114.
Shaw,  M. C., and Oxford,  C. J., 1957, “On the Drilling of Metals: Part 2—The Torque and Thrust in Drilling,” Trans. ASME, 79, pp. 139–148.
Won, M. S., and Dharan, C. K. H., 2000, “Damage-free Drilling of Sheet Metal Laminates,” submitted for publication.
Ho-Cheng,  H., 1990, “A Failure Analysis of Water Jet Drilling in Composite Laminates,” Int. J. Mach. Tools Manuf., 30(3), pp. 423–429.
Bhattacharyya,  D., and Horrigan,  D. P. W., 1998, “A Study of Hole Drilling in Kevlar Composites,” Compos. Sci. Technol., 58, pp. 267–283.

Figures

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Peel-up and push-out models for delamination in the drilling of fiber-reinforced composite laminates 9
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Ratio of thrust force acting on the chisel edge to total thrust force for carbon fiber/epoxy laminates
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Sectioned drilled carbon fiber/epoxy and aramid fiber/epoxy specimens
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Log(u) as a function of log(fd) to determine a using experimental data. u is the specific cutting energy in drilling, f is the feed, and d is the drill diameter.
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Measured and empirical relations for the thrust and cutting forces as a function of feed for carbon fiber/epoxy laminates
Grahic Jump Location
Measured and empirical relations for the thrust and cutting forces as a function of feed for aramid fiber/epoxy laminates

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