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TECHNICAL PAPERS

The Coefficient of Friction During Hot Rolling of Low Carbon Steel Strips

[+] Author and Article Information
John G. Lenard, Leon Barbulovic-Nad

Department of Mechanical Engineering, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada

J. Tribol 124(4), 840-845 (Sep 24, 2002) (6 pages) doi:10.1115/1.1454106 History: Received October 31, 2000; Revised June 26, 2001; Online September 24, 2002
Copyright © 2002 by ASME
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References

Lenard, J. G., and Pietrzyk, M., 1993, “Tribology of Hot Forming: Its Effect on Grain Development,” Proceedings of the Symposium Advances in Hot Deformation Textures and Microstructures, J. J. Jonas, T. R. Bieler and K. J. Bowman, eds., Pittsburgh, TMS, 1993 pp. 107–120.
Li, Y. H., and Sellars, C. M., 1999, “Modelling Surface Temperatures During Hot Rolling of Steel,” Modelling of Metal Rolling Processes 3, IOM Communications, London, J. H. Beynon, M. T. Clark, P. Ingham, P. Kern, K. Waterson, eds., pp. 178–186.
Tiley, J. B., Lenard, J. G., and Yu, Y., “Roll Bite Deformation of the Thin Scale Layer on a Plain Carbon Steel during Hot Rolling,” to be presented at the 42nd MWSP Conference, Oct. 2000, Toronto.
Wusatowski, Z., 1969, Fundamentals of Rolling, Pergamon Press, Oxford.
Munther,  P., and Lenard,  J. G., 1995, “Tribology During Hot, Flat Rolling of Steels,” CIRP Ann. 44, pp. 213–216.
Munther, P., 1997, “The Effect of Material and Process Parameters on the Frictional Conditions in Hot Flat Rolling of Steels,” PhD thesis, University of Waterloo, Waterloo.
Loung,  L. H. S., and Heijkoop,  T., 1981, “The Influence of Scale on Friction in Hot Metalworking,” Wear, 71, 93–102.
Munther,  P., and Lenard,  J. G., 1995, “Tribology During Hot, Flat Rolling of Steels,” CIRP Ann., 44, pp. 213–216.
Munther,  P. A., and Lenard,  J. G., 1997, “A Study of Friction during Hot Rolling of Steels,” Scand. J. Metall., 26, pp. 231–240.
Sheu,  S., Hector,  L. G., and Richmond,  O., 1998, “Tool Surface Topographies for Controlling Friction and Wear in Metal Forming Processes,” ASME J. Tribol., 120, pp. 517–527.
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Hoffman, O., and Sachs, G., 1953, Introduction to the Theory of Plasticity for Engineers, McGraw-Hill. Inc., New York.
Lenard,  J. G., and Zhang,  S., 1997, “A Study of Friction During Lubricated Cold Rolling of an Aluminum Alloy,” J. Mater. Process. Technol., 72, pp. 293–301.
Roychoudhury, R., Lenard, J. G., 1984, “A Mathematical Model for Cold Rolling—Experimental Substantiation,” Proc. 1st Int. Conf. Techn. Plast., Tokyo, pp. 1138–1145.
Shida, S., 1974, “Effect of Carbon Content, Temperature and Strain Rate on Compressive Flow Stress of Carbon Steel,” Hitachi Res. Lab. Report, 1–9.
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Schey, J. A., 2000, Introduction to Manufacturing Processes, 3rd edition, McGraw Hill, New York.
Azarkhin, A., and Richmond, O., 1992, “Limits to Adhesive Friction,” Numerical Methods in Industrial Forming Processes, J.-L. Chenot, R. D. Wood, and O. C. Zienkiewicz, eds., Balkema, pp. 143–148.
Lenard, J. G., Pietrzyk, M., and Cser, L., 1999, Mathematical and Physical Simulation of the Properties of Hot Rolled Products, Elsevier, Oxford.

Figures

Grahic Jump Location
The schematic diagram of the interface during hot rolling of steels (after Li and Sellars 2)
Grahic Jump Location
The roll separating force as a function of the reduction and the temperature, at 78.5 mm/s
Grahic Jump Location
The roll separating force as a function of the reduction and the temperature, at 785 mm/s
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The roll torque, for both rolls, as a function of the reduction and the temperature, 10 rpm
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The roll torque as a function of the reduction and the temperature, 100 rpm
Grahic Jump Location
The correlation of the inferred and the predicted coefficient of friction
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The coefficient of friction as a function of the ratio of the roll pressure and the metal’s flow strength

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