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TECHNICAL PAPERS

Experimental Evaluation of the Laser Assisted Machining of Silicon Nitride Ceramics

[+] Author and Article Information
Jay C. Rozzi, Frank E. Pfefferkorn, Yung C. Shin

Laser Assisted Materials Processing Laboratory, School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907

Frank P. Incropera

Aerospace and Mechanical Engineering Department, University of Notre Dame, Notre Dame, IN 46556

J. Manuf. Sci. Eng 122(4), 666-670 (Dec 01, 1999) (5 pages) doi:10.1115/1.1286556 History: Received September 01, 1998; Revised December 01, 1999
Copyright © 2000 by ASME
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References

Stinton, D. P., 1988, “Assessment of the State-of-the-Art in Machining and Surface Preparation of Ceramics,” Oak Ridge National Laboratory, ORNL/TM-10791.
Wobker, H. G., and Tönshoff, H. K., 1993, “High Efficiency Grinding of Structural Ceramics,” National Institute of Science and Technology, NIST Special Publication 847.
Yonushonis, T. M., Director, Contract Research and Development, Ceramic Engineering and Tribology, Cummins Engine Corporation, 1994, personal communication.
Uehara,  K., and Takeshita,  H., 1986, “Cutting Ceramics with a Technique of Hot Machining,” Ann CIRP, 35, pp. 55–58.
Kitagawa,  T., and Maekawa,  K., 1990, “Plasma Hot Machining for New Engineering Materials,” Wear, 139, pp. 251–267.
König, W., and Wageman, A., 1991, “Fine Machining of Advanced Ceramics,” Ceramics Today—Tomorrow’s Ceramics, Vincenzini, P., ed., Montecatini Terme, Italy, pp. 2769–2784.
König, W., and Zaboklicki, A. K., 1993, “Laser Assisted Hot Machining of Ceramics and Composite Materials,” National Institute of Science and Technology, NIST Special Publication 847.
Rozzi, J. C., 1997, Experimental and Theoretical Evaluation of the Laser Assisted Machining of Silicon Nitride, Ph.D. thesis, Purdue University.
Pfefferkorn, F. E., 1997, Laser Pyrometry: Non-Intrusive Temperature Measurement for Laser Assisted Machining of Ceramics, Master’s thesis, Purdue University.
Schackelford, J. F., 1985, Introduction to Materials Science for Engineers, Macmillan, New York.
Hampshire,  S., Drew,  R. A. L., and Jack,  K. H., 1984, “Viscosities, Glass Transition Temperatures, and Microhardness of Y-Si-Al-O-N Glasses,” J. Am. Ceram. Soc., 76, pp. C-46–C-47.
Malkin, S., and Ritter, J. E., 1988, “Grinding Mechanisms and Strength Degradation for Ceramics,” Intersociety Symposium on Machining of Advanced Ceramic Materials and Components, Chandrasekar, S., Komanduri, R., Daniels, W., and Rapp, W., eds., Chicago, Illinois, pp. 57–72.
Bergs, T., Dipl.-Ing., Fraunhofer Institut Produktionstechnologie, 1997, personal communication.

Figures

Grahic Jump Location
Surface temperature measurement locations during laser assisted machining
Grahic Jump Location
Experimentally measured normalized specific cutting energy and chamfer surface temperature for two laser/tool translational velocities
Grahic Jump Location
Experimentally measured normalized specific cutting energy and chamfer surface temperature as a function of laser power
Grahic Jump Location
Classification of chips produced by the laser assisted machining of silicon nitride
Grahic Jump Location
Ground silicon nitride workpiece surface for (a) 330× and (b) 3250×
Grahic Jump Location
Silicon nitride workpiece surface resulting from LAM at the nominal operating conditions (v=1000 rpm,Vz=10 mm/min,d=1 mm,Ll=1 mm,Dl=2.5 mm,Pl=250 W), at (a) 330× and (b) 3250×

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