FIELD: nanotechnology.
SUBSTANCE: invention relates to the field of nanotechnology, namely to composite nanomaterials. The composite material contains a metal matrix and reinforcing particles made of carbide of the same metal as the metal matrix, while the size of the reinforcing particles is from 2 nm to 100 nm, and their volume fraction in the composite is from 0.5% to 70%. The method for manufacturing a composite material includes obtaining a preliminary composite by means of severe plastic deformation, consisting of a metal matrix and carbon reinforcing particles located in a metal matrix in a non-agglomerated state, and in situ synthesis at a temperature of 200-1000°С to obtain a composite material consisting of a metal matrix and hardening particles in the form of a carbide of the same metal as the matrix metal. In this case, nanodiamonds, fullerenes, bulbous carbon nanoparticles, globular carbon or soot are used as carbon particles. Severe plastic deformation is carried out using mechanical alloying, Bridgman anvil or equal channel pressing.
EFFECT: invention is aimed at improving the mechanical characteristics of the composite material, in particular strength and hardness, as well as at increasing the uniformity of the distribution of properties at the micro level and achieving low surface roughness of composite products.
7 cl, 1 dwg, 5 ex
