A. A. Kruglyakov
Scientific Production Association WBH
Russian Federation

Aleksandr A. Kruglyakov, Cand. Sci. (Eng.), General Director

106 b Friedrichstrasse, Berlin D-10117, Germany

S. O. Rogachev
National University of Science and Technology “MISIS”; Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Russian Federation

Stanislav O. Rogachev, Cand. Sci. (Eng.), Assist. Prof. of the Chair “Metal­lography and Physics of Strength”, National University of Science and Technology “MISIS”; Research Associate, Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences

4 Leninskii Ave., Moscow 119049, Russian Federation

49 Leninskii Ave., Moscow 119991, Russian Federation

A. V. Molyarov
National University of Science and Technology “MISIS”
Russian Federation

Aleksei V. Molyarov, Engineer of the Chair “Metallography and Phy­sics of Strength”

4 Leninskii Ave., Moscow 119049, Russian Federation