On some mechanisms of limit friction with fracture

R.V. Goldstein1, N.M. Osipenko1
1A.Yu.Ishlinsky Institute for Problems in Mechanics RAS, Vernadskogo St. 101(1) 119526 Moscow
Abstract
A model of the process leading to formation of the third body elements at fracture of material in a dry friction contact zone was suggested. A variant of a plane element of the third body evolution was analyzed for the regime of an intensive shear action on its contact surfaces. A separated fragment can form an rolling element or remain to be a plane slipping element in dependence on a relation between normal pressure forces and shear forces in the contact zone. A criterion for twisting a plane element into a rolling element was obtained (within the framework of the plane elasticity)
Received: 19 April 2012   Revised: 17 May 2012   Accepted: 19 April 2012
Views: 71   Downloads: 10
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