B. R. Gel’chinskii
Institute of Metallurgy, Ural Branch of the Russian Academy of Sciences
Russian Federation

Boris R. Gel’chinskii, Dr. Sci. (Phys.–Math.), Prof., Head of the Science Department

101 Amundsena Str., Yekaterinburg 620016, Russian Federation

N. I. Il’inykh
Institute of Metallurgy, Ural Branch of the Russian Academy of Sciences; South Ural State University
Russian Federation

Nina I. Il’inykh, Cand. Sci. (Phys.-Math.), Senior Researcher, Institute of Metallurgy, Ural Branch of the Russian Academy of Sciences; Senior Researcher, South Ural State University

101 Amundsena Str., Yekaterinburg 620016, Russian Federation

76 Lenina Ave., Chelyabinsk 454080, Russian Federation

E. V. Ignat’eva
Institute of Metallurgy, Ural Branch of the Russian Academy of Sciences
Russian Federation

Elena V. Ignat’eva, Research Associate

101 Amundsena Str., Yekaterinburg 620016, Russian Federation