Abstract:High-pressure torsion is a method enabling one to obtain high strains without destroying the material being processed and to form the submicro-and nanocrystalline states in it. In this paper, this technique serves to process some brittle refractory metals. Particularly, the effect of pressure on the plasticity of brittle refractory metals strained by high pressure torsion using Bridgman anvils is studied. Namely, the critical pressure required for the realization of severe plastic deformation of refractory met… Show more
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