Abstract
One of the promising methods for producing nanopowders, from virtually any conductive material, including cemented carbide, is distinguished by relatively low energy costs, harmlessness and environmental cleanliness of the process, the absence of mechanical wear of equipment, obtaining powder directly from pieces of cemented carbide of various shapes in one operation, obtaining particles of predominantly spherical form is the method of electroerosive dispersion (EED). The purpose of this work was to study the shape and morphology of the surface of powder particles obtained by electroerosive dispersion of solid waste T30K4 in alcohol using a scanning electron microscope. On the basis of the conducted research, it was established that the shape of the powder particles obtained by EED dispersion of solid waste grade T30K4 in alcohol is determined by the form in which the material is ejected from the well in the EED process. It is noted that spherical particles are obtained by crystallization of molten material (liquid phase), and fragmentation-shaped particles are obtained at brittle fracture. It is established that particles with a regular spherical or elliptical shape prevail in the powder.
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