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RESEARCH PAPERS

A Cobalt Diffusion Based Model for Predicting Crater Wear of Carbide Tools in Machining Titanium Alloys

[+] Author and Article Information
Jiang Hua, Rajiv Shivpuri

1971 Neil Avenue, Room 210, Industrial, Welding and Systems Engineering, The Ohio State University, Columbus, Ohio 43210

J. Eng. Mater. Technol 127(1), 136-144 (Feb 22, 2005) (9 pages) doi:10.1115/1.1839192 History: Received September 10, 2003; Revised July 14, 2004; Online February 22, 2005
Copyright © 2005 by ASME
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References

Molinari,  A., and Nouari,  M., 2002, “Modeling of Tool Wear by Diffusion in Metal Cutting,” Wear, 252, pp. 135–149.
Trent, E. M., and Wright, P. K., 1991, Metal Cutting, 3rd ed., Butterworth-Heinemann, Washington, DC.
Ezugwu,  E. O., and Wang,  Z. M., 1997, “Titanium Alloy and Their Machinability—A Review,” J. Mater. Process. Technol., 68, pp. 262–274.
Hua, J., 2002, Chip Mechanics and Its Influence on Chip Segmentation and Tool Wear, Ph.D. Dissertation, The Ohio State University.
Cook,  N. H., and Nayak,  P. N., 1966, “The Thermal Mechanics of Tool Wear,” ASME J. Eng. Ind., 88(1), pp. 93–100.
Hartung,  P. D., and Kramer,  B. M., 1982, “Tool Wear in Titanium Machining,” CIRP Ann., 31(1), pp. 75–80.
Takeyama,  H., and Murata,  R., 1963, “Basic Investigation of Tool Wear,” ASME J. Eng. Ind., 85, pp. 33–38.
Usui,  T., Hirota,  A., and Masuko,  M., 1978, “Analytical Prediction of Three-Dimensional Cutting Process: Part 1-Basic Cutting Model and Energy Approach,” ASME J. Eng. Ind., 100, pp. 236–243.
Dearnley,  P. A., and Grearson,  A. N., 1986, “Evaluation of Princinpal Wear Mechanisms of Cemented Carbides and Ceramics Used for Machining Titanium Alloy IMI 318,” Mater. Sci. Technol., 2, pp. 47–58.
Komanduri,  R., 1982, “Some Clarifications on The Mechanics of Chip Formation When Machining Titanium Alloys,” Wear, 76, pp. 15–34.
Gebhart, B., 1961, Heat Transfer, McGraw-Hall, New York.
Diffusion Data, 1972, Diffusion Information Center, Cleveland, Ohio 44107, Vol. 6 (2–3).
Hua, J., and Shivpuri, R., 2002, “Influence of Crack Mechanics on the Chip Segmentation in the Machining of Titanium Alloys,” Proceedings of 9th ISPE International Conference on Concurrent Engineering Canfield, United Kingtom, pp. 27–31.
Shivpuri,  R., Hua,  J., Mittal,  P., and Srivastava,  A. K., 2002, “Microstructure-Mechanics Interactions in Modeling Chip Segmentation During Titanium Machining,” CIRP Ann., 51(1), pp. 71–74.
Kobayashi, S., Oh, S. K., and Altan, T., 1989, Metal Forming and The Finite-Element Method, Oxford University Press, New York.
Oh,  S. I., Chen,  C. C., and Kobayashi,  S., 1989, “Ductile Fracture in Axisymmetric Extrusion and Drawing,” ASME J. Eng. Ind., 101, pp. 36–44.
Kattus, J. R., 1976, Nonferrous Alloy, Aerospace Structural materials Handbook, BELFOUR STULEN, Inc., Traverse City, Michigan.

Figures

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Diffusion mechanism in cutting titanium alloys with tungsten carbide tool
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Diffusion and transport element in metal cutting process
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FEM model and Chip formation: (a) FEM mesh; (b) Chip morphology from FEM simulation; (c) Chip morphology from FEM simulation; Chip morphology from experiment
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Chip velocity along the tool rake face and the temperature over the tool rake face
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Predicted wear rate over the tool–chip interface (feed rate=0.127 mm/rev)
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Measured crater depth in cutting Ti-6Al-4V
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Comparison of predicted crater wear rate with the experimental results (Feed rate=0.127 mm/rev)
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Comparison of predicted crater wear rate with the experimental results (Feed rate=0.35 mm/rev)
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Crater wear at cutting speed of 120 m/min. (a) After 30 s, (b) After 60 s.
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Temperature distribution along rake face at various cutting speeds
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Chip velocity along rake face at various cutting speeds

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