Dimensional Analysis of Powders Obtained by Electroerosive Dispersion of High-Chromium Steel in Kerosene

Abstract

Purpose of reseach was to evaluate the dimensional characteristics of powders obtained by electrodispersion of high-chromium corrosion-resistant steel in lighting kerosene.Methods. When setting up experiments for electroerosive dispersion, wastes of high-chromium corrosion-resistant steel X17 were selected. Dispersing equipment - experimental setup (RF Patent No. 2449859). Lighting kerosene was used as a working fluid. In order to stabilize the process, the dispersion modes were selected experimentally and were as follows: voltage 100 V; pulse repetition rate 120 Hz; capacity 48 μF. The granulometric composition of the powders was studied using a laser particle size analyzer "Analysette 22 NanoTec".Results. It has been found that the average particle size is 28.66 pm and 95% of the total volume of particles in the powder have a size less than or equal to 57.36 pm. ,based on the conducted experimental studies aimed at studying the particle size distribution of electroerosive powders obtained from wastes of high-chromium corrosion-resistant steel X17 in lighting kerosene on an experimental setup (RF Patent No. 2449859) at a pulse repetition rate of 120 Hz, a voltage of 100 V and the capacity of the discharge capacitors is 48 μF.Conclusion. The conducted research will allow us to obtain new powder materials from wastes of high-chromium corrosion-resistant steel X17 in lighting kerosene with a guaranteed particle size distribution, through the use of progressive, environmentally friendly, low-tonnage and waste-free technology of electroerosive dispersion.