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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

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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