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TECHNICAL PAPERS

Determination of Friction Coefficient by Employing the Ring Compression Test

[+] Author and Article Information
Hasan Sofuoglu, Hasan Gedikli

Department of Mechanical Engineering, Karadeniz Technical University, Trabzon, Turkey

Jahan Rasty

Department of Mechanical Engineering, Texas Tech University, Lubbock, TX 79409 e-mail: jrasty@coe.ttu.edu

J. Eng. Mater. Technol 123(3), 338-348 (Sep 13, 2000) (11 pages) doi:10.1115/1.1369601 History: Received January 13, 1999; Revised September 13, 2000
Copyright © 2001 by ASME
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References

Kunogi,  M., 1956, “A New Method of Cold Extrusion,” J. Sci. Research Inst., Tokyo, 50, pp. 215–246.
Male,  A. T., and Cockcroft,  M. G., 1964–65, “A method for the Determination of the Coefficient of Friction of Metals Under Condition of Bulk Plastic Deformation,” J. Inst. Met., 93, pp. 38–46.
Avitzur,  B., 1964, “Forging of Hollow Disks,” Isr. J. Technol., 9, pp. 295–304.
Hawkyard,  J. B., and Johnson,  W., 1967, “An Analysis of the Changes in Geometry of Short Hollow Cylinder During Axial Compression,” Int. J. Mech. Sci., 9, pp. 163–182.
Male,  A. T., 1966, “Variations in Friction Coefficients of Metals during Compressive Deformation,” J. Inst. Met., 94, pp. 121–125.
Male, A. T., 1968, “Determination Coefficient of Friction during Compressive Deformation, Report-8,” Symposium on Experimental Methods in Tribology, Mar. 13–14, pp. 64–67.
Male,  A. T., and DePierre,  V., 1970, “The Validity of Mathematical Solutions for Determining Friction from the Ring Compression Test,” ASME J. Lubr. Technol., 92, pp. 389–397.
Male,  A. T., DePierre,  V., and Saul,  G., 1972, “The Relative Validity of Concept of Coefficient of Friction and Interface Friction Shear Factor for Use in Metal Deformation Studies,” ASLE Trans., 16, pp. 177–184.
DePierre,  V., and Gurney,  F., 1970, “A Method for Determination of Constant and Varying Friction Factors During Ring Compression Test,” ASME J. Lubr. Technol., 96, pp. 482–488.
Schey, J. A., 1976, “The Validity of Various Friction Concepts in Deformation Processing,” Proc. NAMRC-4, pp. 108–114.
Wang,  F., and Lenard,  J. G., 1992, “An Experimental Study of Interfacial Friction-Hot Ring Compression,” ASME J. Eng. Mater. Technol., 114, pp. 13–18.
Wanheim,  T., Maegaard,  V., and Danckert,  J., 1984, “The Physical Modeling of Plastic Working Processes,” Advanced Technology of Plasticity, 2, pp. 984–996.
Altan,  T., Henning,  H. J., and Sabroff,  AM., 1970, “The Use of Model Materials in Predicting Forming Loads in Metal Forming,” ASME J. Eng. Ind., 92, pp. 444–452.
Kawai, M., and Kamishohara, K., 1975, “The Use of Plasticine to Simulate the Stress in Metals under Plastic Deformation,” Int. Forging Conference, pp. 571–595.
Tanaka, M., Ono, S., and Iwadate, T., 1987, “Control of Friction for Simulating Forging Using Plasticine,” Proc. TMS Annual Meeting, Symposium on Physical Modeling of Metal working Processes.
Carter,  W. T. , and Lee,  D., 1985, “A Finite Element Analysis of Cylinder and Ring Compression and Its Experimental Verification,” Comput. Struct., 21, pp. 1–19.

Figures

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Effect of friction magnitude on metal flow during the ring compression test
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Friction calibration curves in terms of μ (Male and Cockcroft 2)
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Flow curves for black and white plasticine
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Effect of strain-rate on the flow behavior of black and white plasticine
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Experimentally obtained friction calibration curves for black plasticine
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Finite element model of ring compression test specimen
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Friction calibration curves for white plasticine obtained from the FEA
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Friction calibration curves for black plasticine obtained from the FEA
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Deformation behavior of black and white plasticine obtained from the ring compression test for (a) μ=0.0, (b) μ=0.01, (c) μ=0.03, and (d) μ=0.05
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Friction calibration curves for aluminum obtained from the experiments and FEA
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Friction calibration curves for copper obtained from the experiments and FEA
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Friction calibration curves for bronze obtained from the experiments and FEA
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Friction calibration curves for brass obtained from the experiments and FEA
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Effect of “barreling” on the friction calibration curves of white plasticine for (a) μ=0.01, (b) μ=0.05, (c) μ=0.08, and (d) μ=0.1
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Effect of “barreling” on the friction calibration curves of black plasticine for (a) μ=0.01, (b) μ=0.05, (c) μ=0.08, and (d) μ=0.1
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Effect of strain-rate on the friction calibration curves of white plasticine for (a) μ=0.01 and (b) μ=0.1
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Effect of strain-rate on the friction calibration curves of black plasticine for (a) μ=0.01 and (b) μ=0.1

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