ELECTROPLASMA METHOD OF PRODUCING OF NANOPARTICLES WITH PRE-SET SIZE

摘要

FIELD: metallurgy.SUBSTANCE: invention relates to powder metallurgy. The method of producing of nanodimensional particles includes electroplasma processing of surface of electrolyte in the form of salt solution containing induced ions of metals or semiconductors with formation of particles with pre-set size from them. Electroplasma processing of surface of electrolyte is performed using of the charger with voltage to 30 kV feeding the capacitor battery with the capacity (1,02?75)·10F, the anode implemented as a ring and placed with a gap 2-4 mm over the electrolyte surface and the cathode located in the middle of the named ring without immersion into electrolyte. Processing is conducted with providing of radial movement of the spark discharge along the electrolyte surface, recovery of induced ions to neutral state of atoms and their agglomeration into nanodimensional particles of metals or semiconductors the change of size of which is pre-set by change of parameters of capacity of the capacitor bank and concentration of salt solution of electrolyte.EFFECT: producing of metal nanoparticles with the tolerance 10%.4 dwg