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Time Scales for Cold-Welding and the Origins of Stick-Slip Friction

R. Budakian·S. J. Putterman
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Abstract

Data from an instrument that measures conductance, stiffness and rupture strength of junctions indicates that when two macroscopic metal surfaces are brought into contact a nanometer size junction spontaneously forms over a long time scale (~ 60 s). Furthermore, the parameters of junction rupture match the observed dynamics of stick-slip friction. This suggests that stick-slip friction has its origins in the formation and rupture of junctions that form between surfaces in contact.

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R. Budakian, S. J. Putterman. 2002-03-05. Time Scales for Cold-Welding and the Origins of Stick-Slip Friction. https://doi.org/10.1103/physrevb.65.235429

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