Structure and Properties of Grain Boundaries in Submicrocrystalline W Obtained by Severe Plastic Deformation

V. V. Popov, A. V. Sergeev, A. V. Stolbovsky, V.U. Kazihanov

Defect and diffusion forum/Diffusion and defect data, solid state data. Part A, Defect and diffusion forum · 2009 · 22 citations · 0 references

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Abstract

Submicrocrystalline structure of W obtained by severe plastic deformation (SPD) by high pressure torsion (5 revolutions of anvils at 4000C) and its thermal stability have been examined by TEM. Grain boundaries of submicrocrystalline W have been studied by the method of the emission Mössbauer spectroscopy in the initial state and after annealing at 400-6000С.