INFLUENCE OF MECHANICAL ACTIVATION OF POWDER BODIES WITH ECAP ON THEIR CONSOLIDATION PROCESSES AND MATERIAL STRUCTURE REFINING

摘要

The attaining of fine grained materials by the powder metallurgy consists of some consecutive stages including the material disperse up to need size, the mixing of these components in desired proportions, the performing and theirs sintering or hot extrusion for the purpose of material consolidation and strengthening.