METHOD OF PRODUCING ULTRA-NANO-DISPERSED POWDER OF CARBIDE

摘要

FIELD: process engineering.;SUBSTANCE: invention may be used in powder metallurgy. Proposed powder of oxide or mix of oxides of tungsten or cobalt is produced by neutralising water solution of appropriate inorganic salt or salts in the presence of black pre-added to solution in amount of MeO : C = 1 : (2-5) in terms of oxide or mix of oxides WO₃ and/or Co₃O₄. Conversion into tungsten-carbide is performed by microwave radiation with frequency of 2450-3000 MHz at 700-1200 W.;EFFECT: production of tungsten and cobalt carbide powders with specific surface approximating to 6,93 m²/g and particle size of 100-400 nm.;2 cl, 3 dwg, 2 ex