Volume 109, Number 4, February 2015
|Number of page(s)||6|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||04 March 2015|
Stick-slip vs. smooth sliding in the multicontact interface
Institute of Physics, National Academy of Sciences of Ukraine - 46 Science Avenue, 03028 Kiev, Ukraine
Received: 22 October 2014
Accepted: 11 February 2015
The stick-slip and smooth sliding regimes of motion for the multicontact frictional interface are studied within the earthquake-like model. It is shown that the stick-slip appears when two necessary conditions are fulfilled: first, the system must be soft enough for the elastic instability to emerge, and second, it must be ageing of the interface. The stick-slip exists only for an interval of sliding velocities v1 < vd < v2, where both boundary velocities v1,2 are determined by the ageing rate.
PACS: 81.40.Pq – Friction, lubrication, and wear / 46.55.+d – Tribology and mechanical contacts
© EPLA, 2015
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