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A first order friction model for lubricated sheet metal forming
Halmstad University, School of Business, Engineering and Science, The Rydberg Laboratory for Applied Sciences (RLAS).ORCID iD: 0000-0003-0292-893X
2018 (English)In: Theoretical and Applied Mechanics Letters, ISSN 2095-0349, Vol. 8, no 1, p. 57-61Article in journal (Refereed) Published
Abstract [en]

This paper presents the derivation of a first order friction model for lubricated sheet metal forming. Assuming purely plastic real contacts, Newton's law of viscosity, and a square root behavior of the hydrodynamic coefficient of friction with respect to the hydrodynamic Hersey parameter an analytic model is found. The model predicts the coefficient of friction as a function of the relative pressure, the relative Hersey parameter and the real contact coefficient of friction. Questions about local and global friction are raised in the validation of the model against flat tool sheet experiments. For some flat tool sheet experiments reasonable agreements are obtained assuming a rigid punch pressure distribution. The restricted number of user inputs makes the model useful in early tool design simulations. © 2018 The Authors. Published by Elsevier Ltd on behalf of The Chinese Society of Theoretical and Applied Mechanics

Place, publisher, year, edition, pages
Melville, NY: American Institute of Physics (AIP), 2018. Vol. 8, no 1, p. 57-61
Keywords [en]
Friction model, Lubrication, Sheet metal forming
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Identifiers
URN: urn:nbn:se:hh:diva-38007DOI: 10.1016/j.taml.2018.01.002ISI: 000437223900011Scopus ID: 2-s2.0-85049335252OAI: oai:DiVA.org:hh-38007DiVA, id: diva2:1248877
Funder
Swedish Foundation for Strategic Research , PV08-0041Available from: 2018-09-17 Created: 2018-09-17 Last updated: 2018-09-17Bibliographically approved

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Löfgren, Hans

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Tribology (Interacting Surfaces including Friction, Lubrication and Wear)

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf