A conclusive demonstration has been provided that the nature of the shear-thinning, that
affects both film thickness and traction in EHL contacts, follows the ordinary power-law rule …

This work investigates the effect on elastohydrodynamic lubrication of roughness ridges
oriented along the rolling–sliding direction, such as may be present on rolling bearing …

The current work presents a quantitative approach for the prediction of minimum film
thickness in elastohydrodynamic-lubricated (EHL) circular contacts. In contrast to central film …

To improve cold rolling processes, it is necessary to understand and to optimise contact at
roll–strip interface. Thus a simulation test has been developed in our laboratory. The …

In this paper, dented contacts have been studied in an EHL ball on disk device under pure
sliding conditions. Dents with diameter of half the Hertzian contact radius were positioned in …

This thesis is dedicated to the study of torus on plane contacts under various operating
conditions. They can be found at the interface between the torus roller-end and the flange in …

The development of high-performance lubricants to insure the separation of mechanical
parts, to reduce engine friction and consequently fuel consumption remains a major …

This thesis is devoted to the study of spinning contacts located in bearing between the roller-
end and the ring flange. The main direction of the lubricant flow may change when the …

In lubrication studies, film thickness is measured since 1963 using optical interferometry, but
pressure distribution is also of great interest. Unfortunately, this parameter is very difficult to …

Friction in highly loaded lubricated contacts is a complex issue. Indeed, it highly depends on
the lubricant rheological behaviour in the Hertzian region, which is not well known under …