Formation of aluminum-schungite composite material under pressure

Abstract

The paper presents the investigation of the structure of a composite material based on aluminum modified by schungite carbon additives after thermal processing under high pressure conditions. It is shown that adding schungite filler makes aluminum grain growth slow and increases the microhardness of the composite material. In addition, the formation of the aluminum coating on the schungite carbon particles improves its interaction with the melted material and makes for the retention of the filler in the matrix. Process flow schemes for formation of Al-schungite composite material containing schungite within the range of 1.5-5 wt % are worked out. For a quantitative description of the fracture structure of the made aluminum composites, an original method of multifractal parameterization of structures is used.