CONTENTS

Production, Structure, Properties

Prikhna T. O., Barvitskyi P. P., Karpets M. V., Fesenko I. P., Moshchil V. E., Lokatkina A. S., Bilorusets V. V., Ponomaryov S. S., Büchner B., Kolodnitskyi V. M., Rucki M., Hevorkian E. S., Marchenko А. А. The influence of the addition of SiC on the structure, mechanical properties and thermal conductivity of composites based on HfB₂. . . . . . .

3

Rao B. S., Kishor E. Comparative study of thermal properties of cubic BC₃ structures using atomistic simulation. . .

15

Mechnik V. A., Ratov B. T., Gevorkyan E. S., Bondarenko N. A., Kolodnitskyi V. M., Starik S. P., Korostyshevskyi D. L., Kuttybayev Aidar, Akhmedyanova G. K. The effect of the combined action of ZrO₂ and Al₂O₃ additives on the structure and wear resistance of C_diamond ‒(Fe‒Cr‒Cu‒Ni‒Sn) composite materials produced by spark plasma sintering. . . . . . .  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

27

Shi Hong, Zhang Jieqi, Peng Fuguan, Mo Peicheng. Microstructure and pro­perties of in-situ synthesized ZrB₂-based composites via high-pressure sintering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

45

Efremov A. A., Loginova O. B. Dynamics of spreading and wetting stages on solid surfaces under complete wetting conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

58

Investigation of Machining Processes

Filatov Yu. D., Sidorko V. I., Kovalev S. V., Starik S. P. Patterns of deposit formation and localization of its fragments on the treated surface during polishing of copper optical components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

72

Tools, Powders, Pastes

Pashchenko Ye. O., Sokhan’ S. V., Petasyuk G. A., Ilnytska H. D., Savchenko D. O., Yeltsov N. V. Efficiency of nickel-coated diamond micropowder during the finishing of ceramic balls in a magnetic field. . . . . . . . . . . . . . . . . . . . . .

84

Letters to the Editor

Stratiichuk D. A., Belyavina N. M., Turkevich V. Z., Starik S. P., Romanenko Ya. M., Shevel E. V. The role of hafnium during reaction sintering in the cBN(Al)–HfO₂–Hf_sol. system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

99

Solozhenko V. L., Lathe C. On melting of simple cubic phosphorus under pressure. . . . . . . . . . . . . . . . . . . . . . . . . 

102

Prokopiv M. M. Some features of the formation of the structure of the T5K10 hard alloy with a new phase of W_2.3TiC_2.6 of an elongated shape. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

106