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The paper presents the results of experimental studies in the scope of formation of bulky aluminum based composite materials (CM) with carbon nanofibers (CNF), including the research methods of hot extrusion and rolling. Extrusion manufacture of bulky composite materials contributes to obtain billets with a minimum compression degree (λ = 1.5). To reduce shear deformations and formation of pores in extruded billet, the extrusion process modes were selected experimentally. In the course of further rolling operation, mechanical properties increase twice and inhomogeneity is compensated after significant compression of the extrusion billets, and the shear deformations are reduced in full volume of the material. Bulky materials gain high hardness, wear resistance and strength. The economically alloyed composite material has feasible prospects to be applicable in lightweight structures for aviation and automobile industries.

Composite materials based on aluminum with carbon nanofibers obtained by hot extrusion and rolling