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  • Title: Boundary lubrication properties of materials with expansive freezing.
    Author: Jagla EA.
    Journal: Phys Rev Lett; 2002 Jun 17; 88(24):245504. PubMed ID: 12059313.
    Abstract:
    We have performed molecular dynamics simulations of solid-solid contacts lubricated by a model fluid displaying many of the properties of water, particularly its expansive freezing. Near the region where expansive freezing occurs, the lubricating film remains fluid, and the friction force decreases linearly as the shear velocity is reduced. No sign of stick-slip motion is observed, even at the lowest velocities. We give a simple interpretation of these results, and suggest that, in general, good boundary lubrication properties will be found in the family of materials with expansive freezing.
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