Аннотация
One of ways of high-quality processing of metal billets is drawing of a lengthy wire.But at modern technology of processing total reductions during the drawing of billet into a wire are rather big (up to 99.2 %) that demands carrying out additional intermediate heat treatments.Therefore, increase in strength and plastic properties of metal without intermediate heat treatment with saving of necessary final characteristics of a wire at improvement of already existing technologies is the perspective direction of development of metal working.In this paper, the deformation of a wire made of Fe37-3FN steel by ECAP-drawing is carried out.It is shown that as a result of large deformations, the grain structure of the metal reached the UFG level, and the wire itself was highly textured, both due to a very high level of deformations, and due to the lack of intermediate annealing, the latter is dictated by energy and resource saving.It was found that after deformation by the ECAP-drawing method, the wire has an increased reserve of plasticity in comparison with the traditional drawing process, which allows its further processing with high degrees of deformation without intermediate annealing.