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TECHNICAL PAPERS

Thermal Analysis of Flow in the Deformation Phase of Liquid Lubricated Plane Strain Forging

[+] Author and Article Information
V. K. Bhatt

Mechanical Engineering Department, Bundelkhand Institute of Engineering and Technology, JHANSI (U.P.) 284001, India

J. Tribol 122(4), 746-751 (Jun 08, 2000) (6 pages) doi:10.1115/1.1311281 History: Received June 21, 1999; Revised June 08, 2000
Copyright © 2000 by ASME
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References

Wilson,  W. R. D., 1974, “An Isoviscous Model for the Hydrodynamic Lubrication of Plane Strain Forging Processes with Flat Dies,” ASME J. Lubr. Technol., 96, pp. 539–546.
Mahdavian,  S. M., and Wilson,  W. R. D., 1976, “Lubricant Flow in a Plastohydrodynamic Work Zone,” ASME J. Lubr. Technol., 98, No. 1, pp. 16–21.
Dow,  T. A., Kannel,  J. W., and Bupara,  S. S., 1975, “A Hydrodynamic Lubrication Theory for Strip Rolling Including Thermal Effects,” ASME J. Lubr. Technol., Series. F, 97, pp. 4–13.
Bhatt,  V. K., and Sengupta,  D. K., 1996, “Analysis of Thermal Effects in the Yield Phase of Hydrodynamic Lubricant Film in Plane Strain Forging,” ASME J. Tribol., 118, pp. 880–885.
Wilson,  W. R. D., and Mahdavian,  S. M., 1974, “A Thermal Reynolds Equation and its Application in the Analysis of Plasto Hydrodynamic Inlet Zone,” ASME J. Lubr. Technol., 96, pp. 572–578.
Oyane,  M., and Osakada,  K., 1969, “The Mechanism of Lubricant Trapping Under Dynamic Compression,” Bull. JSME, 12, No. 49, pp. 149–155.
Bhatt, V. K., 1989, “Theoretical Investigations on Fluid Behavior in Metal Forming,” Ph.D. thesis, submitted to the Faculty of Engineering, University of Allahabad.
Wilson,  W. R. D., and Carpenter,  W. B., 1973, “A Thermal Hydrodynamic Model for the Lubrication Breakdown in Upsetting Between Overhanging Dies,” Wear, 24, pp. 351–360.
Sadeghi,  F., and Dow,  T. A., 1987, “A Thermal Effects in Rolling/Sliding Contacts: Part 2—Analysis of Thermal Effects in Fluid Film,” ASME J. Tribol., 109, pp. 512–517.
Wilson,  W. R. D., and Wong,  C. J., 1974, “Analysis of the Lubricant Film Formation Process in Plane Strain Forging,” ASME J. Lubr. Technol., 96, pp. 605–610.

Figures

Grahic Jump Location
Phases of the forging process where the workpiece extends beyond the dies
Grahic Jump Location
Effect of Peclet number on velocity profile (no temperature difference)
Grahic Jump Location
Effect of temperature difference and Peclet number on flow rate
Grahic Jump Location
Effect of Peclet number on film thickness in deformation phase when workpiece extends beyond the dies
Grahic Jump Location
Effect of film thickness on variation of reduction ratio with Peclet number in deformation phase when workpiece extends beyond the dies

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