Abstract
The author’s understanding of the relationship between tyre friction and road texture is briefly outlined.
One source of tyre friction dependence on load is shown mathematically, with laboratory confirmation, to be due to the stress saturation of the sliding rubber by the surface texture. It is shown that stress saturation occurs when the stress flux in the rubber fails to keep pace with an increasing normal load. This progressively reduces the coefficient of hysteretic friction.
Losses in the coefficient of friction from this source can be restored by reducing the normal load, by increasing the gross area of contact or by increasing the Young’s modulus of the rubber.
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References
W. O. Yandell, “A New Theory of Hysteretic Sliding Friction,” WEAR, 17, pp. 229–244, 1971.
W. O. Yandell, “The Simulated Traffic Polishing of Roadstones”, WEAR, 21, pp. 313–338, 1972.
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© 1974 Springer Science+Business Media New York
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Yandell, W.O. (1974). The Relation Between the Stress Saturation of Sliding Rubber and the Load Dependence of Road Tyre Friction. In: Hays, D.F., Browne, A.L. (eds) The Physics of Tire Traction. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-1370-1_19
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DOI: https://doi.org/10.1007/978-1-4757-1370-1_19
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-1372-5
Online ISBN: 978-1-4757-1370-1
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