O. A. Petrova-Burkina
Institute of Technical Acoustics of the National Academy of Sciences of Belarus
Belarus

Olga A. Petrova-Burkina – Junior Researcher, Laboratory of Metal Physics

13, General Lyudnikov Ave., 210009, Vitebsk

V. V. Rubanik, Jr.
Institute of Technical Acoustics of the National Academy of Sciences of Belarus
Belarus

Vasili V. Rubanik, Jr. – D. Sc. (Engineering), Associate Professor, Director

13, General Lyudnikov Ave., 210009, Vitebsk

V. V. Rubanik
Institute of Technical Acoustics of the National Academy of Sciences of Belarus
Belarus

Vasili V. Rubanik – Corresponding Member of the National Academy of Sciences of Belarus, D. Sc. (Engineering), Head of the Laboratory of Metal Physics

13, General Lyudnikov Ave., 210009, Vitebsk

T. V. Gamzeleva
O.V. Roman Powder Metallurgy Institute
Belarus

Tat’ jana V. Gamzeleva – Researcher, Laboratory of Electron Probe Analysis

41, Platonov Str., 220005, Minsk