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Very low friction for natural diamond in water of different pH values

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The European Physical Journal B - Condensed Matter and Complex Systems Aims and scope Submit manuscript

Abstract:

Very high reductions in the friction coefficient are reported for natural diamond sliding upon natural diamond when water is introduced at the interface of contact. This reduction is found to depend on the pH value of the water, the load and the sliding velocity. The results are interpreted in terms of the reduction of adhesion due to adsorption of the liquid on the surface, and of graphitisation occurring during sliding, with graphite acting as a lubricant.

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Authors and Affiliations

  1. PCS,Cavendish Laboratory,Department of Physics, University of Cambridge, Madingley Road,CB3 OHE , Cambridge, UK

    S.E. Grillo & J.E. Field

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  1. S.E. Grillo
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  2. J.E. Field
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Received 15 September 1999

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Grillo, S., Field, J. Very low friction for natural diamond in water of different pH values. Eur. Phys. J. B 13, 405–408 (2000). https://doi.org/10.1007/s100510050049

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  • DOI: https://doi.org/10.1007/s100510050049

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