| Issue |
Matériaux & Techniques
Volume 81, Number 4-5, 1993
|
|
|---|---|---|
| Page(s) | 33 - 38 | |
| DOI | https://doi.org/10.1051/mattech/199381040033 | |
| Published online | 19 April 2017 | |
Lubrification micro-hydrodynamique
Incidence sur le coefficient de frottement pendant une opération d’emboutissage
Micro-hydrodynamic lubrication component in deep dra wing
Laboratoire de Science et Génie des Surfaces, URA CNRS 1402, Ecole des Mines de Nancy
Abstract
Deep drawing operation implies a micro-hydrodynamic lubrication component of lubricant trapped on the very roughness plateaus. We show that contact temperature controls the real metal/die contact ratio conditioning friction. Three dimensional relocation profilometry on the same surface area before and after friction test allowed us to analyse and quantify the lubricant behaviour.
© SIRPE 1993
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