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Viscoelastic effects in boundary lubrication

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Abstract

THE traditional ‘time dependence of static friction’ approach, which is used to explain observed variations in static friction, has limited validity1. The appropriate governing variable is the rate of increase of the tangential force coefficient, θ̇, and not the static contact time as has been suggested previously1. (θ̇ = Ḟ/N where N is the normal load forcing opposing surfaces together and Ḟ is the rate of application of the shearing force.)

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References

  1. Johannes, V. I., Green, M. A., and Brockley, C. A., Wear, 24, 381–385 (1973).

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  2. Smith, H. A., and McGill, R. M., J. phys. Chem. Ithaca, 61, 1025 (1957).

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Authors and Affiliations

  1. Department of Mechanical Engineering, The University of British Columbia, Vancouver, British Columbia, Canada

    M. A. GREEN & C. A. BROCKLEY

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  1. M. A. GREEN
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  2. C. A. BROCKLEY
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GREEN, M., BROCKLEY, C. Viscoelastic effects in boundary lubrication. Nature 251, 306–307 (1974). https://doi.org/10.1038/251306a0

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