Rev. Met. Paris
Volume 98, Number 5, May 2001Tribologie de la mise en forme des métaux
|Page(s)||443 - 453|
|Published online||25 October 2002|
Load carrying capacity and friction at the scale of asperities
Recent studies have shown that in certain situations, usually described by mixed lubrication models, a continuous ultra-thin film could separate two solids, even at the scale of asperities. In this paper, the consequences of this assumption are examined in the case of cold rolling geometries. The tribological behaviour is derived from the resolution of the Reynolds equation. The influence of the rheological parameters of the lubricant and of the existence of a cavitation zone is discussed.
© La Revue de Métallurgie, 2001
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