Stress and strain and damage during frictional strengthening treatment of flat steel surface with a sliding cylindrical indenter

Frictional strengthening treatment of a flat steel surface with a cylindrical indenter is considered. A finite-element model of the process is developed. The parameters of stress and strain of the treated material are calculated, and the accumulated deformation in the surface layers is evaluated as a function of the number of frictional load cycles and the coefficient of friction. The type of changes in the target value of plastic deformation along the depth of the frictionally treated surface layer is compared to the experimentally calculated distribution of microhardness and density of dislocations in the surface layer. On the basis of evaluation of damage on the surface of frictional contact, restrictions on using the developed finite-element model for analyzing actual frictional treatment are considered.