1985Physics BulletinOpen access

Tribology: Thin film lubrication of metals and polymers

A. D. Roberts

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Abstract

In many metal sliding systems the designer aims at hydrodynamic or elastohydrodynamic lubrication (EHL). Bearing pressures in the former are relatively low (about 1 MPa), so bearing surfaces do not deform; lubrication depends upon the lubricant having a sufficiently high viscosity to prevent surfaces from touching.

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In many metal sliding systems the designer aims at hydrodynamic or elastohydrodynamic lubrication (EHL). Bearing pressures in the former are relatively low (about 1 MPa), so bearing surfaces do not deform; lubrication depends upon the lubricant having a sufficiently high viscosity to prevent surfaces from touching.

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Available abstract

In many metal sliding systems the designer aims at hydrodynamic or elastohydrodynamic lubrication (EHL). Bearing pressures in the former are relatively low (about 1 MPa), so bearing surfaces do not deform; lubrication depends upon the lubricant having a sufficiently high viscosity to prevent surfaces from touching.

Key concepts: Lubrication, Lubricant, Tribology, Bearing (navigation), Materials science, Viscosity, Fluid bearing, Polymer

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