PROBABILISTIC STATISTICAL ASSESSMENT OF SURFACE ROUGHNESS OF PARTS BEING POLISHED WHILE USING ELECTRIC PULSE METHOD

Abstract

The paper presents methodology and results of investigations pertaining to profilograms of specimen surfaces being polished using electric pulse method and being made of steel 10 и 20Х13 with the help of correlative transformation. It has been established that in the process of polishing topography formation is initiated due to simultaneous surfacing of micro- and sub-micro-irregularities with equal probability and equal intensity. The obtained mechanism for topography formation is justified by the fact that break-down of gas-vapor shell takes place with equal probability as on the micro-profile top so in its cavities on the polished surface in the zones of accidental non-homogeneity of electric field.