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Double Cup Extrusion Test to Evalute Lubricants for Cold Forging

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60 Excellent Inventions in Metal Forming

Abstract

The double cup extrusion test was developed and used extensively for evaluating lubricants in cold forging. This test emulates the high material/tool interface pressures and large surface expansion that occur in industrial cold forging operations. This short paper summarizes the principles of this test and illustrates how it is used to evaluate environmentally friendly lubricants.

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References

  1. Bay, N. “The state of the art in cold forging lubrication”, Journal of Materials Processing Technology 46 (1994), 19–40

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  2. Geiger, R. “Metal flow in combined cup extrusion”, reports from the Institute for Forming Technology, Technical University Stuttgart, Nr. 36, 1976

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  3. Gariety, M., Ngaile. G, and Altan, T. “Evaluation of new cold forging lubricants without zinc-phosphate precoat”, Int. J. of Machine Tools and Manufacture, 47(3–4), 2007, 673–681

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  5. Ghobrial, M.I, Lee, J.Y., Altan T., Bay N., Hansen, B.G.“Factors affecting the double cup extrusion test for evaluation of friction in cold and warm forging”, CIRP Annals, 42, 1993, p. 347

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Author information

Authors and Affiliations

  1. The Ohio State University, Columbus, Ohio, USA

    Taylan Altan

  2. North Carolina State University, Raleigh, NC, USA

    Gracious Ngaile

Authors
  1. Taylan Altan
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  2. Gracious Ngaile
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Corresponding author

Correspondence to Taylan Altan .

Editor information

Editors and Affiliations

  1. Institutfür Umformtechnik und Leichtbau, Technische Universität Dortmund, Dortmund, Germany

    A. Erman Tekkaya

  2. Lehrstuhl für Umformende und Spanende Fertigungstechnik, Universität Paderborn, Paderborn, Germany

    Werner Homberg

  3. Institut für Fertigungstechnik, Technische Universität Dresden, Dresden, Germany

    Alexander Brosius

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© 2015 Springer-Verlag Berlin Heidelberg

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Altan, T., Ngaile, G. (2015). Double Cup Extrusion Test to Evalute Lubricants for Cold Forging. In: Tekkaya, A., Homberg, W., Brosius, A. (eds) 60 Excellent Inventions in Metal Forming. Springer Vieweg, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-46312-3_50

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  • DOI: https://doi.org/10.1007/978-3-662-46312-3_50

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  • Publisher Name: Springer Vieweg, Berlin, Heidelberg

  • Print ISBN: 978-3-662-46311-6

  • Online ISBN: 978-3-662-46312-3

  • eBook Packages: EngineeringEngineering (R0)

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