This article is cited in 25 papers

Mechanical properties, strength physics and plasticity

Shear instability in the subsurface layer of a material in friction

S. Yu. Tarasov, V. E. Rubtsov

Institute of Strength Physics and Materials Science, Siberian Branch of the Russian Academy of Sciences, Tomsk

Abstract: The shear instability in subsurface layers of a material in friction has been investigated. As the friction surface is approached, several characteristic regions can be distinguished in the bulk of the metal: the region of plastic deformation and texturing (I), the region of severe fragmentation (II), the region of turbulent flow (III), and the region of laminar flow (IV). Regions I and II can be referred to as regions of conventional plastic deformation, whereas regions III and IV correspond to regions of the development of shear instability of the Kelvin-Helmholtz type at the shear boundary. The possibility of implementing this phenomenon within the hydrodynamic approach has been evaluated.

Received: 22.04.2010
Accepted: 19.05.2010

 English version: Physics of the Solid State, 2011, 53:2, 358–362

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